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International School for Advanced Studies
International School for Advanced Studies
International School for Advanced Studies
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The International School for Advanced Studies (Italian: Scuola Internazionale Superiore di Studi Avanzati; SISSA) is an international, state-supported, post-graduate-education and research institute in Trieste, Italy.

Key Information

SISSA is active in the fields of mathematics, physics and neuroscience, offering both undergraduate and post-graduate courses. Each year, about 70 PhD students are admitted to SISSA based on their scientific qualifications. SISSA also runs master's programs in the same areas, in collaboration with both Italian and other European universities.

History

[edit]

SISSA was founded in 1978, as a part of the reconstruction following the Friuli earthquake of 1976. Although the city of Trieste itself did not suffer any damage, physicist Paolo Budinich asked and obtained from the Italian government to include in the interventions the institution of a new, post-graduate teaching and research institute, modeled on the Scuola Normale Superiore di Pisa. The school became operative with a PhD course in theoretical physics, and Budinich himself was appointed as general director.

In 1986, Budinich left his position to Daniele Amati, who at the time was at the head of the theoretical division at CERN. Under his leadership, SISSA expanded its teaching and research activity towards the field of neuroscience, and instituted a new interdisciplinary laboratory aiming at connecting humanities and scientific studies.

From 2001 to 2004, the director was the Italian geneticist Edoardo Boncinelli, who fostered the development of the existing research areas. From 2004 to 2010, the director was the Italian physicist Stefano Fantoni. His period as director has been characterized by the design and construction of the new SISSA location. Other directors were appointed in the following years, which saw the strengthening of SISSA collaboration with other Italian and European universities in offering master's degree programs in the three areas of the School (mathematics, physics and neuroscience). Physicist Stefano Ruffo served as the director from 2015 until 2021, when he was succeeded by Andrea Romanino.

Campus

[edit]
The SISSA building

Until July 2010, the school was located near the Miramare Park and marine reserve, about 10 kilometres from the city centre. The Miramare campus still hosts the ICTP (International Center for Theoretical Physics) and the Department of Theoretical Physics[1] of the University of Trieste.

The campus is located in the borough of Opicina; it is accessible by bus 38 of Trieste Trasporti (TPL FVG). The campus is also equipped with a canteen, a kindergarten, a gym, as well as an open air theatre, which is used for shows, conferences and activities for the wider public.

Departments

[edit]

SISSA houses the following research groups in the field of Astroparticle Physics,[2] Astrophysics,[3] Condensed Matter,[4] Molecular and Statistical Biophysics,[5] Statistical Physics,[6] Theoretical Particle Physics,[7] Data Science,[8] Cognitive Neuroscience[9] Neurobiology,[10] Molecular Biology,[11] Applied Mathematics, Geometry[12] Mathematical Analysis, and[13] Mathematical Physics[12]

In addition, there is the Interdisciplinary Laboratory for Natural and Humanistic Sciences (ILAS - Laboratorio Interdisciplinare Scienze Naturali e Umanistiche), which is endowed with the task of making connections between science, humanities, and the public. Since 1992 it also organizes a course in Science Communication and Scientific journalism.[14]

SISSA also enjoys special teaching and scientific links with the International Centre for Theoretical Physics, the International Centre for Genetic Engineering and Biotechnology and the Elettra Synchrotron Light Laboratory.[15] Ruffo signed a partnership with the International Centre for Genetic Engineering and Biotechnology to set up a new PhD program in Molecular Biology, with teaching activity organized by both institutions.[citation needed]

SISSA operates a 100 teraFLOPS supercomputer in partnership with the neighboring International Centre for Theoretical Physics. Moreover, it hosts a specialized library, a parallel Calculus Centre, several cellular-neurobiology laboratories, confocal microscopy and electronic microscopy facilities and multiple cognitive-neuroscience laboratories, which are also available to faculty and students of other scientific institutions in the Trieste area.

Ranking

[edit]

According to the last aggregate data issued by ANVUR - the Italian National Agency for the Evaluation of the University and Research Systems - SISSA ranks:

  • first among medium-sized universities and research centers in physical science, with a 22% positive variance in the number of products compared to the Italian average;
  • first among small-sized universities and research centers in biological science, owing to the activity carried out in neuroscience, with a 64% positive variance;
  • second among small-sized universities in mathematical and computer science. With reference to the latter, the positive variance in the scientific production corresponded to 46% compared to the national average, placing SISSA 1% away from the Scuola Normale di Pisa.

Publications

[edit]

SISSA publishes or sponsors several scientific journals[16] and conference proceedings:[17]

See also

[edit]

Notes

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

International School for Advanced Studies

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The International School for Advanced Studies (SISSA), officially known as the Scuola Internazionale Superiore di Studi Avanzati, is a public Italian institution dedicated to advanced and scientific research, located in , . Founded on 6 March 1978 by Presidential Decree no. 102/1978 under the initiative of Paolo Budinich, SISSA was established as a special scientific center of excellence, becoming the first institution in Italy to confer PhD degrees, which were formally recognized as research doctorates in 1987. From its inception, SISSA has focused on high-impact research and training in core areas including physics, , and , complemented by an Interdisciplinary Laboratory for Advanced Studies that integrates computational and data-driven approaches across disciplines. As of 2023, the institution employs approximately 70 professors, 130 researchers, and 120 technical-administrative staff, while hosting around 300 PhD students and over 100 postdoctoral fellows, with a total of 1,761 PhDs awarded since its founding. Its research output is prolific, with publications in prestigious journals such as Nature and Science, and it maintains over 150 international collaboration agreements with leading global institutions. Under the directorship of Daniele Amati from 1986 to 2001, SISSA expanded significantly, establishing the area, launching master's programs in science communication and , and developing open-access scientific review initiatives to promote knowledge dissemination. In 2010, during Stefano Fantoni's tenure, the school relocated to a modern 100,000 m² campus on the upland, featuring a 25-acre park with views of the and state-of-the-art facilities for interdisciplinary work. SISSA has secured 34 (ERC) grants since 2007, ranking among the top Italian institutions per researcher, and celebrated its 40th anniversary in 2018 with events highlighting and the establishment of an alumni society. Today, it continues to emphasize international mobility, with a diverse community of scholars contributing to breakthroughs in , , and , and beyond.

Overview

Mission and Founding

The International School for Advanced Studies (SISSA), known in Italian as Scuola Internazionale Superiore di Studi Avanzati, was established in 1978 in , , by physicist Paolo Budinich through Presidential Decree no. 102/1978. This founding occurred in the aftermath of the , which devastated the region; Budinich conceived SISSA as an initiative to revitalize the area's scientific community by creating a hub for advanced research and education. From its inception, the institution was designed as a state-supported graduate school without undergraduate programs, emphasizing as its core discipline to train elite researchers. The mission of SISSA centers on providing rigorous and promoting cutting-edge in theoretical sciences, with a strong commitment to international collaboration and excellence. It aims to prepare graduates in physics and for advanced academic and careers, fostering connections with national and global scientific institutes to advance in fundamental areas. This purpose reflects Budinich's vision of an innovative, agile institution modeled partly on elite models like Princeton's , prioritizing selectivity and interdisciplinary potential while initially concentrating efforts on and . The name Scuola Internazionale Superiore di Studi Avanzati was deliberately chosen to underscore its orientation toward international , advanced postgraduate studies, and a borderless pursuit of scientific excellence, aligning with Trieste's strategic position as a European crossroads. Over time, this foundational framework has supported the institution's expansion into related fields such as , maintaining its focus on high-impact theoretical research without diluting its core principles.

Organizational Profile

The International School for Advanced Studies (SISSA) operates as a state-supported, autonomous higher education and under Italian , endowed with legal personality and granted teaching, scientific, administrative, and financial within statutory limits. It receives from the Italian Ministry of Education, University and Research to support scholarships, operations, and research activities, while maintaining independence in its academic and organizational decisions. SISSA is closely affiliated with the International Centre for Theoretical Physics (ICTP) in , enabling joint programs and collaborative initiatives in theoretical sciences. As of 2025, SISSA comprises approximately 70 professors, 130 researchers (including over 100 postdoctoral fellows), 300 PhD students, and 120 administrative and technical staff, forming a focused dedicated to advanced education and research. The institution admits about 70 PhD students annually from diverse international backgrounds, with roughly 79% of applicants being non-Italian, reflecting its global recruitment emphasis; the selection process yields a low acceptance rate of around 13%. SISSA's research activities are organized into three main areas—physics, , —with specialized sectors in each, extending into emerging fields such as through interdisciplinary labs and applied programs. This structure supports a streamlined yet interdisciplinary approach, with PhD training integrated directly into active research environments.

History

Establishment and Early Development

The International School for Advanced Studies (SISSA) was established on March 6, 1978, through Presidential Decree no. 102/1978, which designated it as a special scientific institute focused on advanced and research. It launched its inaugural PhD program in that year, marking the first such doctoral initiative in , and began operations with a small cohort of international students and postdocs drawn from around the world. PhD degrees were formally recognized as research doctorates in 1987. Initially housed in the modest Bellavista building—a former three-story hotel—near Miramare Park in Trieste, the institution benefited from its scenic coastal location adjacent to the International Centre for Theoretical Physics (ICTP). Funding came primarily from the Italian government, supplemented by local Friuli Venezia Giulia regional sources, which enabled the setup of basic facilities and operations in this frontier city chosen for its potential as an international scientific hub. Paolo Budinich, a prominent and the school's cofounder and first director, played a pivotal role in its formative phase by recruiting a cadre of international faculty experts, including Nicolò Dallaporta, Antonio Ambrosetti, and Erio Tosatti, to build a rigorous environment. Budinich's vision emphasized global collaboration, leading to early partnerships with and other European laboratories, facilitated by Trieste's proximity to ICTP and his personal networks in the ; for instance, he actively sought ties with in the early 1980s to integrate SISSA into broader efforts. These connections not only attracted top talent but also positioned the nascent school within Europe's advanced ecosystem, despite initial challenges in resource constraints and infrastructure. By 1980, SISSA had achieved its first milestone with the graduation of its inaugural PhD cohort in , validating the program's emphasis on high-level training for careers. That same year, the school began hosting international workshops to foster scientific exchange, such as early gatherings on theoretical topics that drew participants from across , laying the groundwork for SISSA's reputation as a collaborative venue in advanced studies.

Expansion and Recent Milestones

Following its initial focus on physics and , the International School for Advanced Studies (SISSA) broadened its academic scope in the late by establishing the Neuroscience Sector in 1986, enabling interdisciplinary collaborations across theoretical and experimental domains. These additions marked a pivotal shift from a physics-centric institution to a multifaceted research center, fostering advancements in areas like and while maintaining rigorous PhD training programs. Key institutional milestones in the subsequent decades included the relocation of SISSA's campus to the Opicina area in 2010, where it occupies the renovated Santorio building—a former sanatorium—spanning 100,000 square meters and equipped with modern facilities such as the SISSA Medialab and MathLab to support expanded research activities. In 2018, coinciding with its 40th anniversary, SISSA founded the Alumni Society to strengthen global networks among its graduates, who hold positions in leading academic and industry roles worldwide. Further emphasizing transparency and accessibility, the institution adopted Open Science Guidelines in 2024, mandating open access for publications and data management to promote reproducibility and collaboration. In the 2020s, SISSA launched initiatives, including a dedicated line and PhD track in the Physics Sector starting in 2020, funded by the Italian government to integrate computational methods with traditional sciences. The directorship transitioned to Andrea Romanino in November 2021, who has prioritized interdisciplinary approaches, enhancing synergies between sectors like physics, , and . Recent highlights in 2025 include groundbreaking studies on black holes in the early universe through models and investigations into audio-visual perception linked to neuro-genetics, underscoring SISSA's ongoing contributions to fundamental questions in cosmology and cognition.

Governance

Administrative Bodies

The administrative structure of the International School for Advanced Studies (SISSA) is designed to ensure effective governance, with distinct bodies responsible for academic oversight, financial management, and performance evaluation. The serves as the primary body for overseeing teaching and research policies, proposing general scheduling, strategic directions, and coordination of didactic and scientific initiatives. Presided over by the Director, it comprises the coordinators of the scientific areas (professors), elective representatives from those areas, two elective representatives of PhD course students, and one elective representative of research staff. The handles overall management and finances, approving strategic guidelines as well as annual and triennial financial and personnel plans while monitoring the financial sustainability of activities. It consists of ten members: the Director, who presides; two elected representatives from the PhD courses; and seven management or professional experts, including two external members (one proposed by the Regione ), four university professors (one of whom may be external, appointed by the Director from a shortlist prepared by the Senate), and one technical-administrative staff member. For financial oversight, the Board of Auditors examines the school's fiscal matters. Composed of a chairman appointed by the from among administrative and magistrates or legal service lawyers, along with permanent and substitute members appointed by the Ministry of Economy and Finance and the Ministry of Education, University and Research (all registered in the Register of Auditors), the board serves a two-year mandate, renewable once. The Evaluation Unit focuses on performance assessment by evaluating the efficacy of SISSA's system ex post, proposing improvements, and preparing an annual report in line with guidelines from the National Agency for University and Research Evaluation (ANVUR). It includes both external and internal members, such as a coordinator, external experts, a SISSA representative, and a delegate, and supports monitoring by ANVUR and the Ministry of Education, University and Research (MIUR) for accreditation compliance. The Secretary General manages daily operations and coordinates services in accordance with guidelines from the Director and governing bodies, implementing organizational decisions, assigning tasks to staff, verifying activities, and submitting an annual activity report. Appointed by the on the Director's proposal (with the Academic Senate's opinion), the role operates under a private-law contract of up to four years, renewable. SISSA operates under the supervisory framework of the Italian Ministry of Education, University and Research, which appoints key members such as the Director and auditors, receives annual budgets and , and ensures alignment with national research standards. Despite this oversight, the institution maintains autonomy in scientific, educational, organizational, and financial matters within legal bounds. All governing and supervisory bodies report to the Director, who chairs the Academic Senate and , represents the school, and periodically informs the relevant minister to maintain coherence across operations.

Leadership and Directors

The leadership of the International School for Advanced Studies (SISSA) is headed by the Director, who is elected by the Academic from among the full professors for a renewable six-year term. The Director represents the School in all legal matters, presides over the Academic and , ensures the autonomy of research and teaching activities, and oversees the implementation of institutional resolutions. This role emphasizes strategic direction, external representation, and the promotion of SISSA's core mission in advanced scientific education and research. SISSA was founded by physicist Paolo Budinich, who served as its first Director from 1978 to 1986 and established the institution's foundational vision as an international center focused on and mathematics, fostering collaborations with nearby institutions like the (ICTP). Under his leadership, SISSA recruited pioneering faculty and laid the groundwork for its graduate-level programs, emphasizing interdisciplinary potential within the sciences. Daniele Amati succeeded Budinich as Director from 1986 to 2001, during which he significantly expanded SISSA's scope by establishing the Area and recruiting leading experts, thereby diversifying the School beyond its initial physics and focus. Amati's tenure also introduced innovative initiatives, such as the launch of the open-access Journal of High Energy Physics (JHEP) in and a Master's program in Science Communication. In recognition of his enduring contributions, SISSA celebrated Amati's 90th birthday in 2021, highlighting his role in shaping the institution's interdisciplinary ethos. Subsequent directors built on this foundation: Edoardo Boncinelli (2000–2004) advanced biology and neurobiology sectors, Stefano Fantoni (2004–2010) oversaw the relocation to the expanded Santorio campus, and Guido Martinelli (2010–2015) enhanced computational infrastructure and local partnerships. Stefano Ruffo, Director from 2015 to 2021, prioritized , increasing the proportion of international students and faculty while promoting cross-area collaborations like the initiative and establishing the SISSA Association. The current Director, Andrea Romanino, appointed in November 2021, continues to advance interdisciplinary programs, integrating fields such as physics, , and to address complex scientific challenges. Under his leadership, SISSA has emphasized global research excellence and talent development, as evidenced by recent achievements in international rankings and grant acquisitions.

Campus and Facilities

Location and Infrastructure

The International School for Advanced Studies (SISSA) is located at Via Bonomea 265, in the Opicina hill area of , , approximately 8 kilometers northeast of the city center. This site, situated on the scenic upland overlooking the , was selected following the school's relocation in 2010 from its previous headquarters in the Miramare area (Via Beirut 2-4), primarily to consolidate all administrative, research, and educational activities into a single, expanded campus and to accommodate growing needs. The move enabled the integration of previously dispersed facilities into one cohesive district, enhancing operational efficiency while maintaining access to Trieste's scientific ecosystem, including nearby institutions like the (ICTP). The campus spans a 25-acre park that includes green spaces designed to foster among researchers and students. Modern buildings house specialized laboratories across disciplines such as physics, , and , equipped for advanced experimental and theoretical work. Computational infrastructure includes the Ulysses high-performance computing cluster, which supports intensive simulations and for scientific projects. Additional facilities feature a central with over 20,000 monographs, 20,000 volumes of bound periodicals, and comprehensive collections of SISSA theses and preprints, serving as a key resource for the academic community. The campus also includes an for lectures and events, complemented by an outdoor in the that hosts public concerts, scientific talks, and cultural activities.

Student Services and Support

SISSA provides comprehensive student services to support the academic and personal well-being of its primarily international PhD community. These services include financial assistance, housing support, and access to on-campus facilities, ensuring that students can focus on their research in a conducive environment. With an enrollment of approximately 300 PhD students from over 40 countries, the school emphasizes integration and advocacy through dedicated programs and representatives. PhD students receive a tax-free monthly fellowship of approximately €1,200 net, derived from an annual gross amount of €16,243, which covers living expenses in —a noted for its relatively low compared to other European urban centers. Additionally, eligible students renting in qualify for a €150 monthly rent to offset costs. This financial support is supplemented by relocation allowances of up to €1,000 for non- students and €500 for students upon arrival. Housing assistance is a key service, with SISSA's dedicated office aiding students—particularly international newcomers—in securing affordable accommodations in . Options typically involve shared apartments costing €300 to €450 per person monthly, as on-campus is limited; the service also facilitates short-term visits and negotiations for foreign students. New students are welcomed through the annual Orientation Day, an event organized by PhD representatives to introduce campus life, administrative procedures, and community resources; for instance, the 2025 edition occurred on November 14, featuring sessions from 9:30 a.m. in Rooms 128-129. Elected PhD representatives further advocate for student interests across bodies like the and , including an International Students Representative to address specific needs of non-Italian scholars. To foster an , SISSA offers integration programs such as language courses in Italian (all levels) and other languages like French, German, and Slovenian, coordinated by the SISSA Club—an association open to students, staff, and affiliates. The club also hosts cultural outings, social events, and recreational activities to promote networking and well-being among the diverse student body. Health support includes reimbursement for Italy's (SSN) subscription, ensuring coverage for medical needs. On-campus amenities enhance daily life, with a in Building B5 offering fitness courses and equipment for physical activity, accessible to all students. Canteen services are available via the regional ARDiS agency, providing discounted meals at nearby facilities—such as €5.10 per meal for lunch and dinner—through a student-specific card that also qualifies holders for reductions.

Academic Structure

Departments and Research Sectors

SISSA organizes its research activities into three main areas—Physics, , and —each comprising specialized sectors that drive interdisciplinary collaboration and advanced inquiry. Each sector is directed by a core group of professors who oversee faculty, postdocs, and students while fostering overlaps between sectors to address complex scientific challenges. This structure supports both fundamental and applied , with sectors designed to integrate theoretical, computational, and experimental methodologies.

Physics Sectors

The Physics area encompasses seven research sectors focused on foundational and emergent phenomena in the physical universe. Astroparticle and Gravitational Physics examines cosmic rays, neutrinos, gravitational waves, dark matter, and the universe's evolution. Astrophysics and Cosmology investigates galaxy formation, black holes, cosmic microwave background radiation, and the early universe using observational and theoretical tools. Condensed Matter Physics develops models for quantum materials, superconductors, and nanoscale devices. Statistical Physics explores phase transitions, complex systems, and quantum field theory. Molecular and Statistical Biophysics applies theoretical and computational approaches to proteins, nucleic acids, and biomolecular systems. Theoretical Particle Physics studies the Standard Model, beyond-standard-model physics, string theory, and unification principles. Theory and Numerical Simulation of Condensed Matter focuses on simulations of solid-state systems and disordered states. These sectors promote synergies, such as combining astroparticle detection with particle theory simulations.

Mathematics Sectors

The Mathematics area features sectors dedicated to pure and applied , emphasizing analytical tools for scientific problems. Geometry covers differential, algebraic, and noncommutative , with implications for , symmetry, and . Mathematical Analysis studies , , and partial differential equations. Mathematical Modelling addresses mechanics of solids and fluids, complex systems, and multiscale analysis. Mathematical Physics applies rigorous frameworks to integrable systems and nonlinear waves. Numerical Analysis and Scientific Computing develops methods for partial differential equations, , and . SISSA MathLab supports mathematical modeling and scientific computing with industrial collaborations. SAMBA collaborates on applied math in cognitive contexts. This division encourages cross-pollination with physics sectors, particularly in applications.

Neuroscience Sectors

Neuroscience at SISSA is structured around five interconnected sectors that span molecular to cognitive scales. employs , EEG, TMS, and behavioral experiments to understand , , and learning in the . Computational and Theoretical uses modeling to study brain function and neural dynamics. analyzes neural systems, connectivity, and network interactions. Molecular and Cellular Research focuses on cellular mechanisms, , and development using techniques. and Genetics investigates genetic and genomic aspects of function and dysfunction. These sectors integrate computational modeling to bridge experimental data across levels of analysis. Data Science and Scientific Computing is integrated as a cross-cutting initiative, leveraging , analytics, and to support research across all areas, including a dedicated PhD program in Theoretical and Scientific Data Science within Physics (as of 2025).

Degree Programs and Enrollment

The International School for Advanced Studies (SISSA) primarily offers doctoral-level education through its 12 PhD programs, spanning the fields of Physics, , and . These include, in Physics, , and Cosmology, Molecular and Statistical , Statistical Physics, , Theoretical and Scientific Data Science, and Theory and Numerical Simulation of Condensed Matter; in , Geometry and Mathematical Physics and Mathematical Analysis, Modelling, and Applications; and in , , Functional and Structural , and Neurobiology. Each PhD program lasts four years and emphasizes advanced research training within SISSA's departmental structure. In addition, SISSA provides Master's programs in select areas, such as joint degrees in with the , Neurosciences with the , with the , and Scientific Computing, and professional options like Data Management and Curation, , and . Admission to SISSA's PhD programs is highly competitive, with applications typically submitted in spring or summer via an online platform, followed by evaluation of qualifications, entrance exams, and interviews conducted in or online. Estimates of the overall acceptance rate vary around 5-13% (as of 2025), reflecting the rigorous selection process that prioritizes scientific merit and potential. All admitted PhD students receive full scholarships covering living expenses, with no tuition fees required and reimbursement of any regional student taxes; these fellowships provide an annual gross amount of €16,243 (as of 2025), equivalent to about €14,000 net, plus support for relocation and . Approximately 70 new PhD students enroll each year, drawn from over 50 countries, underscoring the institution's international character. Student progression in the PhD programs begins with intensive in the first year, focusing on core and specialized topics relevant to the chosen field, followed by under faculty supervision. Annual evaluations, including exams, progress reports, and reviews, ensure steady advancement toward the final defense and award of the "Dottore di Ricerca" degree.

Research Activities

Key Research Areas

The International School for Advanced Studies (SISSA) conducts research across three primary domains: physics, , and , emphasizing both fundamental and applied aspects of these fields. In physics, key efforts include theoretical , which explores models for unifying fundamental interactions, and , addressing in curved spacetimes and phenomenology. Cosmology research at SISSA investigates the early universe, such as particle interactions in the first second after the , where thermal and gravitational dynamics may have led to the formation of primordial black holes, stars, and cannibal stars through gravothermal collapse of matter halos. In , SISSA's work spans , focusing on moduli spaces, deformation theory, and enumerative invariants with connections to topological field theories, as well as dynamical systems, including KAM theory for partial differential equations and Hamiltonian systems like water waves and Schrödinger equations. These areas often intersect with physics, applying geometric and analytical tools to quantum field theories and integrable systems. Neuroscience research at SISSA examines brain mechanisms underlying and , with a notable emphasis on ; a 2025 study demonstrated that task-irrelevant sounds compress the visual perceptual space in , altering their discrimination of moving visual stimuli and revealing direct cross-modal interactions between auditory and visual processing. Interdisciplinary initiatives at SISSA integrate AI and with , developing methods for simulation-based inference in cosmology and analysis, as well as from large astronomical datasets to model cosmic structures. SISSA produces a high volume of scientific output annually, centered on addressing core questions in and the universe's origins.

Publications and Scientific Output

The International School for Advanced Studies (SISSA) plays a significant role in scholarly dissemination through its sponsorship of key open-access journals in the physical sciences. The Journal of High Energy Physics (JHEP), founded in 1997, is a flagship publication managed by SISSA's MediaLab unit, focusing on theoretical and experimental high-energy physics and related fields. Complementing this, the Proceedings of Science (PoS), launched in 2004 as an open-access platform for , covers a broad spectrum of fundamental and applied sciences, including , , and . PoS has hosted thousands of proceedings articles since its inception, facilitating rapid dissemination of contributions across global scientific communities. SISSA's scientific output is characterized by high productivity and impact, particularly in physics, where researchers have received substantial citations reflecting their influence in the scientific landscape. Annual reports indicate that SISSA faculty, postdocs, and PhD students produce peer-reviewed papers each year, published in leading international journals and contributing to advancements in core research areas such as and cosmology. This output underscores the institution's emphasis on high-impact research. To promote accessibility, SISSA updated its policies in early 2025, aligning with national and international standards to ensure broader dissemination of research outputs. These guidelines mandate of PhD theses in institutional repositories for long-term preservation and open availability, while encouraging open-access publishing for journal articles where feasible. The MediaLab unit oversees digital initiatives, including the maintenance of PoS and support for open-access workflows, ensuring efficient management of SISSA's scholarly communications.

Rankings and Reputation

National Evaluations

The national evaluations of the International School for Advanced Studies (SISSA) are conducted by the Italian National Agency for the Evaluation of Universities and (ANVUR) through its periodic Research Quality Evaluation (VQR) exercises, which assess research output across Italian institutions every 5-7 years. In the VQR for 2015-2019, SISSA ranked first among medium-sized institutions in physical sciences, first among small-sized institutions in biological sciences, and second in mathematical and computer sciences, demonstrating its leading domestic position in these theoretical fields. Specifically, it achieved top placements in macro-sectors such as (1st out of 55), (1st out of 41 for biological sciences), and Matter Physics (tied for 2nd out of 41 for physical sciences), alongside first-place rankings in sub-disciplines including and Mathematical Modelling (out of 32), (out of 27), (out of 45), and (out of 37). SISSA consistently ranks as a top recipient of national research grants in theoretical sciences, benefiting from funding allocated based on these VQR outcomes to support high-impact projects. The ongoing VQR 2020-2024, launched in 2023, continues this evaluation framework.

International Recognition

The International School for Advanced Studies (SISSA) holds a prominent position in global university rankings, particularly in its core disciplines of physics, , and . In the US News Best Global Universities 2025 rankings, SISSA is placed at #506 overall, reflecting its strong performance in research output and international collaboration. SISSA's subject-specific rankings further emphasize its excellence in foundational sciences. The by Subject 2025 places the institution in the #251-300 band across relevant disciplines, with notable strengths in physics and . According to the ShanghaiRanking's Global Ranking of Academic Subjects (GRAS) 2024, SISSA's Mathematics sector ranks in the 101-150 range globally, while Physics falls in the 201-300 category, positioning it among elite European performers in these fields despite its small size. Within , SISSA consistently ranks #1 or #2 in core areas such as , , and , as evidenced by national research quality evaluations that align with its international metrics. SISSA's international recognition extends beyond rankings through prestigious funding and awards that affirm its impact. Since the inception of the (ERC) in 2007, SISSA has secured 34 grants, placing it among Italy's top host institutions for this highly competitive funding, which supports groundbreaking projects in , , and interdisciplinary . In 2024, faculty member Giuseppe Mussardo received the Cosmos Prize for his contributions to the , recognizing SISSA's role in advancing scientific heritage and outreach. As a compact, specialized institution, SISSA is widely regarded as one of Europe's leading graduate schools for advanced studies, fostering high-impact that punches above its weight in global scientific discourse.

Notable Individuals

Prominent Faculty and Directors

The International School for Advanced Studies (SISSA) employs approximately 70 professors across its sectors, with many securing (ERC) Advanced Grants that underscore their leadership in frontier science. Since 2007, SISSA faculty have received 34 ERC grants, including 9 Advanced Grants, highlighting the institution's emphasis on high-impact theoretical and applied . Giuseppe Mussardo, a full in the Statistical Physics sector, is renowned for his contributions to and the . In 2024, he received the Cosmos Prize for his book Maksimovič: The Story of , which explores the life and scientific legacy of the neutrino physicist. His work bridges rigorous theoretical models with interdisciplinary narratives, influencing both and at SISSA. Andrea Romanino serves as SISSA's Director since November 2021 and as a full professor in Theoretical Particle Physics. His research focuses on , particularly , , and flavor physics, with seminal contributions to understanding TeV-scale phenomena and neutrino mixing. As Director, Romanino has advanced SISSA's strategic initiatives in high-energy theory while maintaining an active role in mentoring PhD students on electroweak physics and beyond. Stefano Ruffo, former Director from 2015 to 2021 and full professor in Statistical Physics until 2024, specialized in nonlinear dynamics and complex systems. His research on out-of-equilibrium and many-body systems has shaped SISSA's approaches to chaotic phenomena and in physical models. Ruffo's expanded interdisciplinary collaborations, including joint programs with ICTP on complex systems. Gianluigi Rozza, full professor of and Scientific Computing and Head of the Mathematics Area, leads advancements in reduced-order modeling and data-driven methods for and biomedical applications. As an ERC , his work on certified reduced basis methods has broad impacts in scientific computing, including for partial differential equations. Rozza also drives at SISSA, serving as Director Delegate for these initiatives. Daniele Amati, a founding full in Theoretical and former Director (1986–2001), laid foundational contributions to SISSA's structure, including early developments in high-energy theory and interdisciplinary extensions to . His expertise in and , combined with co-authored works on rule acquisition in inductive inference, helped establish rigorous modeling across sectors.

Distinguished Alumni

The SISSA Alumni Society, established in October 2018, connects over 1,700 former students worldwide, fostering professional networks and among graduates. The society organizes annual events, including the Distinguished Alumni Colloquia, a webinar series showcasing the achievements of prominent graduates in their respective fields. Notable alumni include Bruce Bassett, who earned his PhD at SISSA and has become a leading figure in and cosmology; he serves as a of at the and professor of applied mathematics at the . Another example is Daniela Tonon, who completed her PhD in at SISSA in 2011 and now holds the position of of at the University of Padova, where she researches partial differential equations and . SISSA graduates have achieved significant impact across disciplines, with many securing faculty positions at prestigious institutions such as the Italian National Institute for Nuclear Physics (INFN) and leading universities globally. In particle physics, for instance, alumni like Gaetano Fiore, who obtained his PhD in theoretical from SISSA in 1994, contribute to advancing as a full of at the .

References

  1. https://www.sissa.it/about
  2. https://www.sissa.it/about/sissa-history
  3. https://www.sisfvg.it/en/partner/international-school-of-advanced-studies/
  4. https://www.sissa.it/research/erc-grants-sissa
  5. https://www2.sissa.it/it/node/11413
  6. https://www.sissa.it/sites/default/files/SISSA%20at%2040.pdf
  7. https://www.sissa.it/sites/default/files/statuto%20inglese_0.pdf
  8. https://www.ictp.it/international-school-advanced-studies-sissa
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