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  • 26th Summer Research School in Mathematics and Informatics (SRS’26)

    Творчески дом на БАН, Варна Варна, к.к. “Чайка”, спирка “Журналист”, Varna, Bulgaria

    The school is organised by the High School Students’ Institute of Mathematics and Informatics (HSSIMI) and proudly celebrates its 26th edition this year. Over the next three weeks, 40 high school students from across Bulgaria with outstanding interests and achievements in mathematics, informatics, and information technologies will participate in the program. The school traditionally includes international participation, and the official working language is English. This year, four students from Belgium, India, Luxembourg, and UAE have joined their Bulgarian peers. At the end of the summer school, all student projects are presented at a final seminar. Many participants continue to develop their work beyond the school, and each year, SIMI alumni present their research at national and international science forums. Several have received recognition at prestigious [...]

  • ICMS Seminar

    Institute of Mathematics and Informatics, BAS Akad.G.Bonchev St, bl. 8, 1113, Sofia, Bulgaria

    Date, time and place: вторник, 14 юли 2026 г., 13:00, зала 403, ИМИ-БАН. Speaker: Zhongkai Mi (Shanghai Center for Mathematical Sciences) Title: The Lowest Discriminant Ideals of Cayley-Hamilton Hopf Algebras Abstract: Important families of noncommutative algebras turn out to be Cayley-Hamilton Hopf algebras including finitely generated group algebras with large center and quantum groups at roots of unity. Discriminants and discriminant ideals are important invariants that are related to automorphisms and representations of noncommutative algebras. We study the zero set of the lowest discriminant ideal of Cayley-Hamilton Hopf algebras using the tensor categorical structure of their representations. This is joint work with Yimin Huang, Tiancheng Qi, Quanshui Wu and Milen Yakimov. For further information please visit: https://icms.bg/the-lowest-discriminant-ideals-of-cayley-hamilton-hopf-algebras/ https://icms.bg/category/icms-seminar/

  • Summer School in Slavic Paleography

    Institute of Mathematics and Informatics, BAS Akad.G.Bonchev St, bl. 8, 1113, Sofia, Bulgaria

    The initiative is implemented in cooperation between the Cyril and Methodius Scientific Center at the Bulgarian Academy of Sciences, the Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences, the Center for Slavic-Byzantine Studies "Prof. Ivan Duychev" at Sofia University "St. Kliment Ohridski" and the National Library "St. St. Cyril and Methodius". This year's edition is attended by 26 young researchers from Bulgaria, Italy, Serbia, France, Romania, Poland and Russia, selected through a scholarship competition. Over the next few days, they will have the opportunity to deepen their knowledge in the field of Slavic Cyrillic paleography and codicology, combining theoretical training with practical classes, working with manuscripts and applying modern digital methods for their research. On behalf of the IMI-BAS, a team [...]

  • Celebrating the Consortium IMSAC International Conference

    Institute of Mathematics and Informatics, BAS Akad.G.Bonchev St, bl. 8, 1113, Sofia, Bulgaria

    Celebrating the Consortium IMSAC International Conference International Conference August 5 - 8, 2026 Organisers: Ludmil Katzarkov (IMI Sofia & University of Miami); Leonardo Cavenaghi (IMI Sofia); Ernesto Lupercio (IMI Sofia & Cinvestav Mexico); Velichka Milousheva (IMI Sofia). Confirmed speakers: Andras Szenes (University of Geneva) Christopher Brav (Shanghai Institute for Mathematics and Interdisciplinary Sciences) Dennis Borisov (University of Windsor, Canada) Ernesto Lupercio (IMI Sofia, Cinvestav-IPN Mexico) Fabrizio Catanese (University of Bayreuth, Germany) Kyoung-Seog Lee (POSTECH, South Korea) Leonardo Francisco Cavenaghi (IMI Sofia) Lino Grama (UNICAMP) Phillip Griffiths (Institute for Advanced Study, USA) Ron Donagi (University of Pennsylvania, USA) Samuel Grushevsky (Stony Brook University and Simons Center) Stefan Ivanov (Sofia University and IMI) Tobias Ekholm (Uppsala University) Tony Pantev (University of Pennsylvania) Vestislav Apostolov (Institute of [...]

  • Recent Developments in Geometry International Conference

    Бургас Бургас

    Recent Developments in Geometry International Conference August 10 - 13, 2026 Burgas, Bulgaria Organisers: Ludmil Katzarkov (IMI Sofia & University of Miami); Leonardo Cavenaghi (IMI Sofia); Tony Pantev (University of Pennsylvania); Velichka Milousheva (IMI Sofia). Confirmed speakers: Andras Szenes (University of Geneva) Artan Sheshmani (Harvard-MIT IAiFi and BIMSA) Dennis Borisov (University of Windsor, Canada) Ernesto Lupercio (IMI Sofia and Cinvestav-IPN Mexico) Fabrizio Catanese (University of Bayreuth, Germany) Giovane Neto (IMI Sofia) Ilia Itenberg (Institut de Mathématiques de Jussieu – Paris Rive Gauche, Sorbonne Université) Jae Hwang Lee (BICMR, China) Kyoung-Seog Lee (POSTECH, South Korea) Leonardo Francisco Cavenaghi (IMI Sofia) Lino Grama (UNICAMP) Mina Teicher (Bar-Ilan University, Israel, Director WIMSA, USA) Misha Shkolnikov (IMI Sofia) Oren Ben-Bassat (University of Haifa, Israel) Pedro Muniz (University of [...]

  • Mathematical Foundations of Informatics Seminar

    Institute of Mathematics and Informatics, BAS Akad.G.Bonchev St, bl. 8, 1113, Sofia, Bulgaria

    The next meeting of the Mathematical Foundations of Informatics seminar will be held on September 17, 2026, at 11 a.m. in Room 503 of the Institute of Mathematics and Informatics. A talk on: 2-factor Hamiltonian graphs and their applications will be delivered by Prof. Domenico Labbate, University of Basilicata, Italy. Abstract. A graph is 2-factor Hamiltonian if every spanning 2-regular subgraph is a Hamilton cycle. This talk presents the main results on 2-factor Hamiltonian graphs, focusing on the cubic bipartite case and its equivalence with minimally 1-factorable graphs. We discuss the star-product construction and the still-open conjecture of Funk, Jackson, Labbate and Sheehan, which predicts that all such graphs arise from (K_{3,3}) and the Heawood graph through repeated star products. Finally, we outline applications of 2-factors, [...]

  • Sixteenth International Conference Digital Presentation and Preservation of Cultural and Scientific Heritage – DiPP2026

    Културен център "Морско казино" - Бургас Приморски парк, Бургас, Burgas, Bulgaria

    From September 24 to 27, 2026, the Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences, under the patronage of UNESCO and with the support of the National Scientific Fund of Bulgaria and the Municipality of Burgas, is organizing the Fifteenth International Conference Digital Presentation and Preservation of Cultural and Scientific Heritage – DiPP2026. The distinguished scientific event DiPP2026 will be opened on September 24, 2025, at 13:00 PM at the Cultural Center Sea Casino in Burgas. This event supports Burgas' candidature for European Capital of Culture 2032. Co-organizers: Regional Academic Center of BAS – Burgas, Regional Historical Museum – Burgas, Burgas Free University, Regional Library Peyo Yavorov, Burgas, Burgas State University Prof. A. Zlatarov   In addition to the Conference sessions, [...]

  • Differential Equations and Mathematical Physics Seminar

    Institute of Mathematics and Informatics, BAS Akad.G.Bonchev St, bl. 8, 1113, Sofia, Bulgaria

    The next meeting of the Differential Equations and Mathematical Physics Seminar will be held on September 30, 2026, at 2:00 pm, in Room 478 of IMI - BAS and online in Zoom. A talk on Dynamics of internal ocean waves with medium wavelength in the presence of currents will be delivered by Lyudmila Ivanova, PhD student at Technological University Dublin. Zoom link: Join Zoom Meeting https://us02web.zoom.us/j/84755769082?pwd=cAVSPagd1a9gbu17zFOWYSn9SliFur.1 Meeting ID: 847 5576 9082 Passcode: 830742

  • Seminar of the Mathematical Modeling and Numerical Analysis Department

    Institute of Mathematics and Informatics, BAS Akad.G.Bonchev St, bl. 8, 1113, Sofia, Bulgaria

    The next meeting of the seminar of the Department of Mathematical Modeling and Numerical Analysis will be held on October 5, 2026, Monday, at 2:00 pm, in Room 503 of the Institute of Mathematics and Informatics. A talk on: An ODE model for non-monotone dose response to the PD-L1 blockade in vitro will be delivered by Assoc. Prof. Peter Rashkov (IMI - BAS). Abstract: PD-1 is a cell surface receptor on T cells and B cells that has a role in regulating the body's immune response by promoting self-tolerance. The PD-L1 protein on human cells acts as an immune checkpoint, or a „brake“ that prevents T cells from attacking normal cells by binding to PD-1. Cancer cells, however, express high amounts of PD-L1 in [...]

  • Intelligent EnterprAIse Summit 2026

    УНИТе Джеймс Баучер 5Г, София, Bulgaria

    The Intelligent EnterprAIse Summit 2026 will take place on October 12, 2026, in Sofia (at the UNiTe building, 5G James Bourchier Blvd.). It will bring together representatives from academia, the business world, the technology sector, and public institutions to discuss the latest trends and practical applications of artificial intelligence, Agentic AI, AI factories, robotics, automation, and digital transformation. The forum is organized by the Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences (IMI-BAS) in partnership with Sofia University "St. Kliment Ohridski" (UNiTe) and Virtech Ltd., with the participation of Bulgarian and international universities, research organizations, and representatives from the IT business sector. The Intelligent EnterprAIse Summit aims to foster a sustainable environment for collaboration among science, business, the public sector, and [...]

  • ICMS Seminar Jointly with the Singularities Seminar

    Institute of Mathematics and Informatics, BAS Akad.G.Bonchev St, bl. 8, 1113, Sofia, Bulgaria

    Date, time and place: Tuesday, October 13, 2026, 1:00 pm, Room 403, IMI - BAS. Speaker: Pablo Portilla Cuadrado, Universidad Politécnica de Madrid Title: Lê’s conjecture and knot cobordisms Abstract: I will present a proof of Lê’s conjecture, in its formulation that every holomorphic map germ (\mathbb{C}^2, 0)\to (\mathbb{C}^3,0) admitting an injective representative has nonzero differential at the origin. The proof first reduces the possible counterexamples to map germs of order 2, 3 or 4. Separate arguments developed using AI exclude each of these three cases. The talk will focus on the first part: the reduction theorem, which combines plane curve singularities, explicit knot cobordisms, and bounds for the Seifert genus coming from the Y invariant in knot Floer homology. I will [...]

  • Defense of the PhD dissertation of Marin Genov

    Institute of Mathematics and Informatics, BAS Akad.G.Bonchev St, bl. 8, 1113, Sofia, Bulgaria

    The Institute of Mathematics and Informatics of BAS and the Scientific Board for the awarding of PhD degree hereby announce that on October 16, 2026, at 2:00 pm, in Room 278 of IMI and in Zoom, an open meeting of the Scientific Board will be held at IMI - BAS for the defense of the doctoral dissertation on: Functions Holomorphic over Finite-Dimensional Commutative Associative Unital C-Algebras – Some Local, Global, and Universal Aspects of Marin Genov Higher Education Field 4. Natural Science, Mathematics and Informatics, Professional field 4.5. Mathematics, PhD program “Geometry and Topology” Research Advisor: Acad. Vesselin Drensky Chairman of the Scientific Board: Assoc. Prof. Valdemar Tsanov, PhD Members of the Scientific Board: Prof. Ivo Mihaylov, D.Sci. – Plovdiv University Prof. Azniv Kasparian, [...]

  • Autumn School on Artificial Intelligence for Galleries, Libraries, Archives and Museums (AI FOR GLAMs)

    Institute of Mathematics and Informatics, BAS Akad.G.Bonchev St, bl. 8, 1113, Sofia, Bulgaria

    The Autumn School: Artificial Intelligence for Galleries, Libraries, Archives and Museums (AI FOR GLAMs) A satellite event of the 4th International Conference on Museum Big Data Dates: 10–11 November 2026Venue: Institute of Mathematics and Informatics, Bulgarian Academy of Sciences (IMI-BAS)Address: Acad. Georgi Bonchev St., Block 8, 1113 Sofia, Bulgaria For PhD students, early-career researchers and young professionals https://2026.museumbigdata.org/satellite-event/ Registration Link: https://tinyurl.com/AI4GLAM

  • FOCUS ERA Chair Masterclass 3D DIGITISATION AND 3D MAPPING

    Bulgarian Academy of Sciences 1, 15th November Str., Sofia, Sofia City, Bulgaria

    FOCUS ERA Chair Masterclass 3D DIGITISATION AND 3D MAPPING Setting the scene: Advancing Visual Heritage Access with AI: AI4LAM Use Cases for Art, Audiovisual, and Multimedia Collections (Dr Ines Vodopivec, Secretary General AI4LAM - National Library of Norway, Stanford)  Overview of Trends and Recent Experiences in 3D digitisation work  - AI‑Driven Analysis and Segmentation of Figural Scenes: From 3D Geometry to Graffiti Detection in Frescoes and the Unwrapping of Archaeological Vessels for Reliable Motif Recognition - Boštjan Gabrovšek, Vesna Pungercar (Rudolfovo - Science and Technology Centre Novo Mesto, Slovenia)  - Experimentation in 3D Digitisation in IICT-BAS - Dr Nikolay Petkov (IICT-BAS, Bulgaria)  - Immersive Visualisation - Prof. Erik Champion (University of Adelaide, Australia) Introduction to 3D mapping: main practical and methodological challenges (3DMapping) From 3D Digitisation [...]

  • 4th International Conference MUSEUM BIG DATA – MBD2026

    Bulgarian Academy of Sciences 1, 15th November Str., Sofia, Sofia City, Bulgaria

    IMI – BAS and the Ionian University are organising the 4th International Conference MUSEUM BIG DATA The Museology Research Laboratory at the Ionian University (Greece) https://ilam.ionio.gr/en/, in collaboration with the FOCUS ERA Chair project in Digital Cultural Heritage at the Institute of Mathematics and Informatics of the Bulgarian Academy of Sciences (IMI – BAS) https://openresearch.bg/project-focus-en/page.html, is organising the 4th International Conference MUSEUM BIG DATA https://2026.museumbigdata.org/, which will take place in Sofia from November 12 to 14, 2026. For colleagues from IMI, participation in the conference is free of charge; they need to send an email to milena.dobreva@math.bas.bg to be registered as participants. The MBD conferences https://museumbigdata.org/ showcase the most innovative research and practical work in the field of Museum Big Data. The main objective [...]