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X-WR-CALNAME:Institute of Mathematics and Informatics
X-ORIGINAL-URL:https://math.bas.bg
X-WR-CALDESC:Събития за Institute of Mathematics and Informatics
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BEGIN:VEVENT
DTSTART;TZID=Europe/Sofia:20231108T140000
DTEND;TZID=Europe/Sofia:20231108T153000
DTSTAMP:20260508T020137
CREATED:20231106T100342Z
LAST-MODIFIED:20231106T100342Z
UID:15346-1699452000-1699457400@math.bas.bg
SUMMARY:Национален семинар по стохастика
DESCRIPTION:Поредната сбирка на \nНационалния семинар по стохастика\nще се проведе на 8 ноември 2023 г. (сряда) от 14:00 часа в зала 503 на ИМИ – БАН. \nДоклад на тема \nHamiltonicity of randomly perturbed graphs\nще изнесе \nAlberto Espuny Díaz (Postdoctoral researcher at Universität Heidelberg\, Germany). \nАбстракт: In parallel to the development of smoothed analysis of algorithms\, the study of randomly perturbed graphs has thrived in the combinatorics community. The setup is the following: one considers a dense graph $H$ which fails to satisfy some increasing property and then sprinkles edges randomly until the property appears. A main goal in the area is to understand how many random edges are needed\, and which graphs $H$ are “worst” for this problem. \nIn this talk I will survey some results in the area and focus particularly on the Hamiltonicity problem\, which has often been used as a test for many techniques in graph theory. I will present several variants of the problem\, as well as some results for each of these variants. The talk is based on joint works with Alexander Allin\, António Girão\, and Joseph Hyde. \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%b0-37/
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:20231108T140000
DTEND;TZID=Europe/Sofia:20231108T153000
DTSTAMP:20260508T020137
CREATED:20231108T185838Z
LAST-MODIFIED:20231108T185838Z
UID:15391-1699452000-1699457400@math.bas.bg
SUMMARY:Национален семинар по стохастика
DESCRIPTION:Поредната сбирка на \nНационалния семинар по стохастика\nще се проведе на 15 ноември 2023 г. (сряда) от 14:00 часа в зала 503 на ИМИ – БАН. \nДоклад на тема \nAnti-concentration of Rademacher sums and Tomaszewski’s counterpart problem\nще изнесе \nJulien Portier\, University of Cambridge. \nАбстракт \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%b0-38/
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:20231108T160000
DTEND;TZID=Europe/Sofia:20231108T173000
DTSTAMP:20260508T020137
CREATED:20231106T052112Z
LAST-MODIFIED:20231106T052112Z
UID:15342-1699459200-1699464600@math.bas.bg
SUMMARY:Семинар по геометрия на МЦМН
DESCRIPTION:Следващото заседание на семинара по геометрия на МЦМН ще се проведе на\n8 ноември 2023 г.\, сряда\, от 16:00 ч. в зала 403 и онлайн. Доклад на тема \nTropicalizations II\nще изнесе Михаил Школников\, ИМИ – БАН. \nАбстракт: I will start by briefly recalling the two approaches to tropicalizing subvarieties of algebraic tori. We then transition to the compactified version\, substituting the torus with a toric variety\, and formalizing the concept of embedded tropical varieties together with a notion of their smoothness. Notably\, not all such varieties can be realized as tropicalizations of classical varieties\, and different embeddings of classical varieties yield combinatorially distinct tropicalizations\, which we equate through so-called modifications. We will conclude by addressing the question of recovering information about classical varieties from their tropicalizations\, exemplified by the phase tropical limit having the same topology as corresponding complex hypersurfaces provided that the usual tropicalization is smooth. \nhttps://icms.bg/tropicalizations-ii-a-talk-by-m-shkolnikov/ \nZoom link:\n https://us02web.zoom.us/j/83740034721?pwd=VnBtcVpGUktscHQ4a09jZkNZTURyZz09
URL:https://math.bas.bg/event/%d1%81%d0%b5%d0%bc%d0%b8%d0%bd%d0%b0%d1%80-%d0%bf%d0%be-%d0%b3%d0%b5%d0%be%d0%bc%d0%b5%d1%82%d1%80%d0%b8%d1%8f-%d0%bd%d0%b0-%d0%bc%d1%86%d0%bc%d0%bd/
LOCATION:Институт по математика и информатика – БАН\, Block 8\, 1113 БАН IV км.\, София\, Bulgaria
CATEGORIES:Редовен семинар
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