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Weekly research seminar
Organizers
- dr Łukasz Kubat
- prof. dr hab. Jan Okniński
Information
Thursdays, 12:15 p.m. , room: 5450Research fields
List of talks
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Oct. 17, 2024, 12:15 p.m.
Leandro Vendramin (Vrije Universiteit Brussel)
Nichols Algebras over solvable groups
Nichols algebras appear in several areas of mathematics, from Hopf algebras and quantum groups to Schubert calculus and conformal field theories. In this talk, I will review the main problems related to Nichols algebras and …
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June 13, 2024, 12:15 p.m.
Premysl Jedlicka (Czech University of Life Sciences Prague)
Diagonal mappings of set-theoretic solutions of the Yang-Baxter equation (Przekształcenia diagonalne teoriozbiorowych rozwiązań równania Yanga-Baxtera)
It is well known that, for involutive non-degenerate solutions of the Yang-Baxter equation, the operations $T(x)=\tau_x^{-1}(x)$ and $U(x)=\sigma_x^{-1}(x)$ are mutually inverse. We study these mappings in the non-involutive case, under different additional conditions (like bijectivity, …
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May 23, 2024, 12:15 p.m.
Piotr Grzeszczuk
On the Jacobson radical of tensor products of algebras (O radykale Jacobsona iloczynów tensorowych algebr)
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May 9, 2024, 12:15 p.m.
Mateusz Woronowicz (Uniwersytet w Białymstoku)
A simple solution of the problem of Stratton and Webb (Proste rozwiązanie problemu Strattona i Webba)
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April 18, 2024, 12:15 p.m.
Tomasz Brzeziński (University of Swansea)
On Lie afgebras (O afgebrach Liego)
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April 4, 2024, 12:15 p.m.
Andre Leroy (Universite d'Artois, Lens)
Products of idempotents (Iloczyny idempotentów)
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March 21, 2024, 12:15 p.m.
Agata Pilitowska (Politechnika Warszawska)
Noninvolutive nondegenerate multipermutation solutions of the Yang-Baxter equation of level 2 (Nieinwolutywne niezdegenerowane multipermutacyjne rozwiązania równania Yanga-Baxtera poziomu 2)
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Feb. 29, 2024, 12:15 p.m.
Filip Mazowiecki (MIMUW)
Automaty ważone, czyli skończenie generowane półgrupy macierzy
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Jan. 18, 2024, 12:15 p.m.
Iryna Raievska, Maryna Raievska (Uniwersytet Warszawski)
Groups of order p^4 as additive groups of local nearrings
It is not true that any finite group is the additive group of a nearring with identity. Therefore it is important to determine such groups and to classify some classes of nearrings with identity on …
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Dec. 14, 2023, 12:15 p.m.
Joachim Jelisiejew (Uniwersytet Warszawski)
Degenerate quadrics do not really exist and why this is useful
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Nov. 30, 2023, 12:15 p.m.
Andrzej Weber (Uniwersytet Warszawski)
podtytuł: Osobliwości domknięć i struktura kombinatoryczna (Orbity grupy Borela działającej na macierzach spełniających X^2=0)
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Nov. 23, 2023, 12:15 p.m.
Ganna Kudryavtseva (University of Ljubljana )
Partial actions of semigroups: globalization, expansion and applications
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Nov. 9, 2023, 12:15 p.m.
Małgorzata Hryniewicka (Uniwersytet w Białymstoku)
Algebry Hopfa versus sterty Hopfa
