BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Institute of Mathematics and Informatics - ECPv6.0.8//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-ORIGINAL-URL:https://math.bas.bg
X-WR-CALDESC:Събития за Institute of Mathematics and Informatics
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:Europe/Sofia
BEGIN:DAYLIGHT
TZOFFSETFROM:+0200
TZOFFSETTO:+0300
TZNAME:EEST
DTSTART:20260329T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0300
TZOFFSETTO:+0200
TZNAME:EET
DTSTART:20261025T010000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=Europe/Sofia:20260602T130000
DTEND;TZID=Europe/Sofia:20260602T143000
DTSTAMP:20260616T090034
CREATED:20260527T072127Z
LAST-MODIFIED:20260527T072127Z
UID:19431-1780405200-1780410600@math.bas.bg
SUMMARY:Съвместен семинар на МЦМН и секция АГТ
DESCRIPTION:Date and time: Tuesday\, June 2-nd\, 2026\, 13:00\, room 403 IMI-BAS \nLecturer: Bogdan Djordjevic\, (Serbian Academy of Arts and Sciences\, visitor at ICMS\, IMI-BAS) \nTitle: Application of the Laplace transform for evaluating sums of hyperharmonic-like series in Banach algebras and modules \nAbstract: In this talk it will be shown how the Laplace transform (in respective Banach spaces) can be utilized for evaluating sums of Banach-space-valued series. We demonstrate the technique on various abstract generalizations of the numerical hyperharmonic series\, including noncommutative setting and non-invertible setting. As an application\, we obtain new necessary consistency condition for the Sylvester equation \(\)ax-xb=c[\latex].
URL:https://math.bas.bg/event/%d1%81%d1%8a%d0%b2%d0%bc%d0%b5%d1%81%d1%82%d0%b5%d0%bd-%d1%81%d0%b5%d0%bc%d0%b8%d0%bd%d0%b0%d1%80-%d0%bd%d0%b0-%d0%bc%d1%86%d0%bc%d0%bd-%d0%b8-%d1%81%d0%b5%d0%ba%d1%86%d0%b8%d1%8f-%d0%b0%d0%b3%d1%82-3/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Редовен семинар
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Sofia:20260603T160000
DTEND;TZID=Europe/Sofia:20260603T170000
DTSTAMP:20260616T090034
CREATED:20260517T165349Z
LAST-MODIFIED:20260517T180026Z
UID:19293-1780502400-1780506000@math.bas.bg
SUMMARY:Поредица от лекции по теория на представянията и математическа физика - Иван Димитров\, лекция 4
DESCRIPTION:ICMS Distinguished Lecture series in Representation Theory and Mathematical Physics\nДата и място: \nMay 19 and 21\, 2026 (15:00–16:00 Sofia time) and June 1\, 3 and 5\, 2026 (16:00–17:00 Sofia time)\, Room 403\, IMI – BAS \nЛектор: \nIvan Dimitrov (Queen’s University\, Canada) \nТема:\n \nRoot systems\, generalizations and applications\nRoot systems were introduced by Wilhelm Killing in 1889 as a tool for classifying Lie algebras. Since then\, they have become ubiquitous\, appearing in various contexts in seemingly unrelated areas of Mathematics. In this lecture series\, Ivan Dimitrov introduces and studies root systems and defines a generalization of root systems. He explains how this more general structure applies to various problems\, e.g. hyperplane arrangements. Finally\, he introduces and studies inversion sets of roots. The exposition is mostly self-contained\, assuming Linear algebra and some Group theory background. \nhttps://icms.bg/event/root-systems-ivan-dimitrov-lecture-series/
URL:https://math.bas.bg/event/%d0%bf%d0%be%d1%80%d0%b5%d0%b4%d0%b8%d1%86%d0%b0-%d0%be%d1%82-%d0%bb%d0%b5%d0%ba%d1%86%d0%b8%d0%b8-%d0%bf%d0%be-%d1%82%d0%b5%d0%be%d1%80%d0%b8%d1%8f-%d0%bd%d0%b0-%d0%bf%d1%80%d0%b5%d0%b4%d1%81%d1%82-4/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Работен семинар,Редовен семинар
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Sofia:20260605T160000
DTEND;TZID=Europe/Sofia:20260605T170000
DTSTAMP:20260616T090034
CREATED:20260517T170022Z
LAST-MODIFIED:20260517T180255Z
UID:19304-1780675200-1780678800@math.bas.bg
SUMMARY:Поредица от лекции по теория на представянията и математическа физика - Иван Димитров\, лекция 5
DESCRIPTION:ICMS Distinguished Lecture series in Representation Theory and Mathematical Physics\nДата и място: \nMay 19 and 21\, 2026 (15:00–16:00 Sofia time) and June 1\, 3 and 5\, 2026 (16:00–17:00 Sofia time)\, Room 403\, IMI – BAS \nЛектор: \nIvan Dimitrov (Queen’s University\, Canada) \nТема:\n \nRoot systems\, generalizations and applications\nRoot systems were introduced by Wilhelm Killing in 1889 as a tool for classifying Lie algebras. Since then\, they have become ubiquitous\, appearing in various contexts in seemingly unrelated areas of Mathematics. In this lecture series\, Ivan Dimitrov introduces and studies root systems and defines a generalization of root systems. He explains how this more general structure applies to various problems\, e.g. hyperplane arrangements. Finally\, he introduces and studies inversion sets of roots. The exposition is mostly self-contained\, assuming Linear algebra and some Group theory background. \nhttps://icms.bg/event/root-systems-ivan-dimitrov-lecture-series/
URL:https://math.bas.bg/event/%d0%bf%d0%be%d1%80%d0%b5%d0%b4%d0%b8%d1%86%d0%b0-%d0%be%d1%82-%d0%bb%d0%b5%d0%ba%d1%86%d0%b8%d0%b8-%d0%bf%d0%be-%d1%82%d0%b5%d0%be%d1%80%d0%b8%d1%8f-%d0%bd%d0%b0-%d0%bf%d1%80%d0%b5%d0%b4%d1%81%d1%82-5/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Работен семинар,Редовен семинар
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Sofia:20260609T130000
DTEND;TZID=Europe/Sofia:20260609T143000
DTSTAMP:20260616T090034
CREATED:20260602T234825Z
LAST-MODIFIED:20260602T235010Z
UID:19450-1781010000-1781015400@math.bas.bg
SUMMARY:Семинар на МЦМН
DESCRIPTION:Дата и място: вторник\, 9 юни 2026 г.\, 13:00\, зала 403\, ИМИ-БАН.\nЛектор: Azur Đonlagić (Université Paris-Saclay\nЗаглавие: Brauer-Manin Obstructions for Homogeneous Spaces \nРезюме: In this talk\, we introduce Brauer-Manin obstructions to the Hasse principle and to weak/strong approximation of adelic points on varieties over a global field. We also define variants of these obstructions well-suited for the study of rational points on homogeneous spaces of affine algebraic groups. \nWe then state the main questions considered in this theory and give an account of some developments\, including the speaker’s recent work. Finally\, we present briefly the main tools and ideas used in the theory\, such as arithmetic duality theorems\, highlighting the difficulties which appear in positive characteristic.\n\n\nЗа допълнителна информация:\nhttps://icms.bg/brauer-manin-obstructions-for-homogeneous-spaces/\nhttps://icms.bg/category/icms-seminar/
URL:https://math.bas.bg/event/%d1%81%d0%b5%d0%bc%d0%b8%d0%bd%d0%b0%d1%80-%d0%bd%d0%b0-%d0%bc%d1%86%d0%bc%d0%bd-45/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Редовен семинар
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Sofia:20260609T140000
DTEND;TZID=Europe/Sofia:20260609T153000
DTSTAMP:20260616T090034
CREATED:20260602T233404Z
LAST-MODIFIED:20260602T234536Z
UID:19443-1781013600-1781019000@math.bas.bg
SUMMARY:Национален семинар по стохастика
DESCRIPTION:Поредната сбирка на \nНационалния семинар по стохастика\nще се проведе на 9 юни 2026 г. (вторник) от 14:00 часа в зала 503 на ИМИ – БАН. \nДоклад на тема \nModified percolation models on lattice graphs\nще изнесе \nViktor Stoyanov (University of Warwick). \nAbstract: We consider modified percolation models on the first quadrant of \(Z^2\)\, where many of the key tools from standard percolation on \(Z^2\) fail\, such as translational invariance. I will begin by defining the standard percolation model on \(Z^d\)\, giving an overview of what is known\, and then give some results which we prove for the first quadrant of \(Z^2\). In the second part of the talk\, I will discuss an anisotropic percolation model on the first quadrant\, with one of the two directions being ‘preferable’\, and show a partial result concerning the strict monotonicity of the connectivity function\, conjectured by de Lima and Procacci (2004). This is based on work completed as part of my Masters’ dissertation project\, supervised by Daniel Valesin (University of Warwick). \nПовече информация за доклада можете да намерите на страницата на семинара:\nhttp://www.math.bas.bg/~statlab/NSPS/ \n 
URL:https://math.bas.bg/event/%d0%bd%d0%b0%d1%86%d0%b8%d0%be%d0%bd%d0%b0%d0%bb%d0%b5%d0%bd-%d1%81%d0%b5%d0%bc%d0%b8%d0%bd%d0%b0%d1%80-%d0%bf%d0%be-%d1%81%d1%82%d0%be%d1%85%d0%b0%d1%81%d1%82%d0%b8%d0%ba%d0%b0-50/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Редовен семинар
ORGANIZER;CN="%D0%98%D0%BD%D1%81%D1%82%D0%B8%D1%82%D1%83%D1%82%20%D0%BF%D0%BE%20%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0%20%D0%B8%20%D0%B8%D0%BD%D1%84%D0%BE%D1%80%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0%20-%20%D0%91%D0%90%D0%9D":MAILTO:office@math.bas.bg
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Sofia:20260609T153000
DTEND;TZID=Europe/Sofia:20260609T170000
DTSTAMP:20260616T090034
CREATED:20260603T000119Z
LAST-MODIFIED:20260603T000119Z
UID:19457-1781019000-1781024400@math.bas.bg
SUMMARY:Публична академична лекция на доц. д-р Максим Красимиров Гойнов
DESCRIPTION:На 09.06.2026 г. от 15:30 ч. в зала 256 ще се проведе  \nсеминар „Дигитална култура“  \nна секция „Математическа лингвистика“\,  \nна който доц. д-р Максим Гойнов ще изнесе  публичната академична лекция на тема  \nГъвкава архитектура на системи за управление на цифрово културно съдържание.
URL:https://math.bas.bg/event/%d0%bf%d1%83%d0%b1%d0%bb%d0%b8%d1%87%d0%bd%d0%b0-%d0%b0%d0%ba%d0%b0%d0%b4%d0%b5%d0%bc%d0%b8%d1%87%d0%bd%d0%b0-%d0%bb%d0%b5%d0%ba%d1%86%d0%b8%d1%8f-%d0%bd%d0%b0-%d0%b4%d0%be%d1%86-%d0%b4-%d1%80-%d0%bc/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Лекция,Редовен семинар
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Sofia:20260617T161500
DTEND;TZID=Europe/Sofia:20260617T173000
DTSTAMP:20260616T090034
CREATED:20260609T124222Z
LAST-MODIFIED:20260609T124222Z
UID:19465-1781712900-1781717400@math.bas.bg
SUMMARY:Национален колоквиум по математика
DESCRIPTION:СЪЮЗ НА МАТЕМАТИЦИТЕ В БЪЛГАРИЯ\n\nИНСТИТУТ ПО МАТЕМАТИКА И ИНФОРМАТИКА – БАН \n\n\n\nНАЦИОНАЛЕН КОЛОКВИУМ ПО МАТЕМАТИКА\n\n​Поредната сбирка на Колоквиума ще се състои на 17 юни 2026 г. (сряда)  от 16:15 часа в Заседателната зала на ИМИ – БАН.\nДоклад на тема:\n\nGerd Faltings: From the Mordell Conjecture to the Abel Prize\nще изнесе д-р Александрос Константину\,\nМЦМН\, Институт по матем​атика и информатика\, Българска академия на науките. \n\n\n\nРезюме. Faltings’ proof of the Mordell conjecture is one of the landmark results of twentieth-century mathematics. It states that a smooth projective curve of genus at least 2 over the rationals has only finitely many rational points. For this work\, Faltings received the Fields Medal in 1986. In 2026 he was awarded the Abel Prize\, whose citation described him as “a towering figure in arithmetic geometry”. He is one of only eight mathematicians to have received both honours. \nThis talk gives an accessible introduction to the mathematics surrounding this theorem. The central question is classical: when does a polynomial equation have rational solutions? Arithmetic geometry reframes this as the study of rational points on curves\, and the behaviour of these points turns out to depend strongly on the geometry of the curve. The genus is the organising principle\, with conics\, elliptic curves\, and curves of genus at least 2 behaving in fundamentally different ways. \nWe will explain why Faltings’ theorem marked a decisive break from what came before\, and why it remains a central theorem in modern number theory.
URL:https://math.bas.bg/event/%d0%bd%d0%b0%d1%86%d0%b8%d0%be%d0%bd%d0%b0%d0%bb%d0%b5%d0%bd-%d0%ba%d0%be%d0%bb%d0%be%d0%ba%d0%b2%d0%b8%d1%83%d0%bc-%d0%bf%d0%be-%d0%bc%d0%b0%d1%82%d0%b5%d0%bc%d0%b0%d1%82%d0%b8%d0%ba%d0%b0-28/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Редовен семинар
ORGANIZER;CN="%D0%A1%D1%8A%D1%8E%D0%B7%20%D0%BD%D0%B0%20%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D1%86%D0%B8%D1%82%D0%B5%20%D0%B2%20%D0%91%D1%8A%D0%BB%D0%B3%D0%B0%D1%80%D0%B8%D1%8F":MAILTO:smb.sofia@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Sofia:20260619T130000
DTEND;TZID=Europe/Sofia:20260619T143000
DTSTAMP:20260616T090034
CREATED:20260615T155221Z
LAST-MODIFIED:20260615T155221Z
UID:19495-1781874000-1781879400@math.bas.bg
SUMMARY:Семинар "Алгебра и логика"
DESCRIPTION:На 19 юни 2026 г. (петък) от 13:00 часа\nв зала 578 на ИМИ-БАН и онлайн чрез платформата zoom\nще се проведе хибридно заседание на семинара по „Алгебра и логика”. \nДоклад на тема: \nVarieties of left-commutative algebras\nще изнесе \nBekzat Zhakhayev (SDU University and Institute of Mathematics and Mathematical Modeling\, Almaty\, Kazakhstan).\n(съвместна работа с V. Drensky and V. Dotsenko) \nРезюме. An algebra A = (A\, ・) is called a left-commutative algebra if it satisfies the identity \na ・ (b ・ c) − b ・ (a ・ c) = 0\nfor all elements a\, b\, c ∈ A.\nWe consider two subvarieties of the variety of left-commutative algebras\, namely the varieties of Novikov algebras and bicommutative algebras. In 1976 Bokut formulated the following question: to describe\, in terms of identities\, varieties of rings (or algebras) whose lattice of subvarieties is distributive. In this work we investigate Bokut’s question for the variety of Novikov algebras and the variety of bicommutative algebras.\n\n\nЛинк към zoom-стаята на семинара:\nhttps://us02web.zoom.us/j/88300991142?pwd=wGYl7VaD9RZKEm99sKzHMzl3bYCv3J.1\n\nПоканват се всички желаещи да присъстват. \nОт секция „Алгебра и логика” на ИМИ – БАН\nhttp://www.math.bas.bg/algebra/seminarAiL/\n============================== =====================
URL:https://math.bas.bg/event/%d1%81%d0%b5%d0%bc%d0%b8%d0%bd%d0%b0%d1%80-%d0%b0%d0%bb%d0%b3%d0%b5%d0%b1%d1%80%d0%b0-%d0%b8-%d0%bb%d0%be%d0%b3%d0%b8%d0%ba%d0%b0-127/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Редовен семинар
ORGANIZER;CN="%D0%A1%D0%B5%D0%BA%D1%86%D0%B8%D1%8F%20%D0%90%D0%BB%D0%B3%D0%B5%D0%B1%D1%80%D0%B0%20%D0%B8%20%D0%BB%D0%BE%D0%B3%D0%B8%D0%BA%D0%B0":MAILTO:algebra_logic_seminar@math.bas.bg
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20260706
DTEND;VALUE=DATE:20260711
DTSTAMP:20260616T090034
CREATED:20260612T112629Z
LAST-MODIFIED:20260612T112858Z
UID:19491-1783296000-1783727999@math.bas.bg
SUMMARY:Международна конференция Дни на математиката в София 2026
DESCRIPTION:Институтът по математика и информатика при БАН\,  \nсъвместно със  \nСъюза на математиците в България  \nи  \nФакултета по математика и информатика на СУ “Св. Климент Охридски”  \nорганизират петото издание на международната конференция  \n“Дни на математиката в София” \nот 6 до 10 юли 2026 г.\n \n  \nПовече информация може да намерите на сайта на конференцията: http://mds.math.bas.bg/    
URL:https://math.bas.bg/event/%d0%b4%d0%bd%d0%b8-%d0%bd%d0%b0-%d0%bc%d0%b0%d1%82%d0%b5%d0%bc%d0%b0%d1%82%d0%b8%d0%ba%d0%b0%d1%82%d0%b0-%d0%b2-%d1%81%d0%be%d1%84%d0%b8%d1%8f-2026/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Конференция
ORGANIZER;CN="%D0%98%D0%BD%D1%81%D1%82%D0%B8%D1%82%D1%83%D1%82%20%D0%BF%D0%BE%20%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0%20%D0%B8%20%D0%B8%D0%BD%D1%84%D0%BE%D1%80%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0%20-%20%D0%91%D0%90%D0%9D":MAILTO:office@math.bas.bg
END:VEVENT
END:VCALENDAR