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The Auslander-Reiten Quiver of the 2-Kronecker Algebra İrem Yıldız, Dokuz Eylül University.Date: 10th of January, 2023, Tuesday, Time: 13:30 – 15:30.Place: Dokuz Eylül Univ., Tınaztepe Campus, Faculty of Science, Department of Mathematics, Room B206 (Online-Sakai-Graduate Meetings). Abstract: The Auslander-Reiten quiver of a finite dimensional -algebra is the quiver whose vertices are the isoclasses of indecomposable modules over , and the number of ... Read more The Auslander-Reiten Quiver of the 2-Kronecker Algebra |
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Torsion and Torsion-Free Classes Arising Through Objects Of Finite Type in a Grothendieck Category Sinem Odabaşı, Universidad de Murcia. Date: 3th of January, 2023, Tuesday, Time: 13.00 - 14.30. Place: Online-Join Zoom Meeting (https://zoom.us/j/99412179515?pwd=bUlLdStFaVpjMHhWb21LaFlRMWI1Zz09) Meeting ID: 994 1217 9515 Passcode: 553266 Abstract: In a module category, the class FPn(R) of the so-called finitely n-presented left R-modules induces two crucial classes In(R) and Fn(Rop) of left FPn-injective and right FPn-flat ... Read more Torsion and Torsion-Free Classes Arising Through Objects Of Finite Type in a Grothendieck Category |
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On coGalois Groups Canan Özeren, Dokuz Eylül University.Date: 26th of December, 2022, Tuesday, Time: 13:30 – 15:30.Place: Dokuz Eylül Univ., Tınaztepe Campus, Faculty of Science, Department of Mathematics, Room B206. Abstract:Torsion-free covers exist for abelian groups (see [1]).The coGalois group of a torsion-free cover of an abelian group is defined in [2] as the group of s.t. and ... Read more On coGalois Groups |
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Coxeter Functors and Gabriel’s Theorem III İrem Yıldız, Dokuz Eylül University.Date: 20th of December, 2022, Tuesday, Time: 13:30 – 15:30.Place: Dokuz Eylül Univ., Tınaztepe Campus, Faculty of Science, Department of Mathematics, Room B206. Abstract: In this talk, we will introduce the basics of representation of quivers. We will define some functors which annihilate simples and carry indecomposables to indecomposables, which will help ... Read more Coxeter Functors and Gabriel’s Theorem III |
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Coxeter Functors and Gabriel’s Theorem II İrem Yıldız, Dokuz Eylül University.Date: 13th of December, 2022, Tuesday, Time: 13:30 – 15:30.Place: Dokuz Eylül Univ., Tınaztepe Campus, Faculty of Science, Department of Mathematics, Room B206. Abstract: In this talk, we will introduce the basics of representation of quivers. We will define some functors which annihilate simples and carry indecomposables to indecomposables, which will help ... Read more Coxeter Functors and Gabriel’s Theorem II |
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Coxeter Functors and Gabriel’s Theorem İrem Yıldız, Dokuz Eylül University.Date: 6th of December, 2022, Tuesday, Time: 13:30 – 15:30.Place: Dokuz Eylül Univ., Tınaztepe Campus, Faculty of Science, Department of Mathematics, Room B206. Abstract: In this talk, we will introduce the basics of representation of quivers. We will define some functors which annihilate simples and carry indecomposables to indecomposables, which will help ... Read more Coxeter Functors and Gabriel’s Theorem |
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The Existence of Almost Split Sequences Fatma Kaynarca, Afyon Kocatepe University.Date: 29th of November, 2022, Tuesday, Time: 13.00 – 16.30.Place: Online-Sakai-Graduate Meetings Abstract: In this seminar, the existence of almost split sequences in the category of modules built on a finite-dimensional algebra will be proved with a functorial approach. |
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On Higher Commutators M. Pınar Eroğlu, Dokuz Eylül University. Date: 25th of October, 2022, Tuesday, Time: 13:30 - 15:30. Place: Dokuz Eylül Univ., Tınaztepe Campus, Faculty of Science, Department of Mathematics, Room B206. Abstract: A general result on higher commutators due to Herstein I.N. states that if A is a noncommutative simple algebra over a field of characteristic ... Read more On Higher Commutators |
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Almost Split and Minimal Morphisms Fatma Kaynarca, Afyon Kocatepe University.Date: 21th of November, 2022, Tuesday, Time: 13.00 – 16.30.Place: Online-Sakai-Graduate Meetings Abstract: In this seminar, almost split morphisms, another concept that use to characterize almost split sequences, will be introduced and their relationship to irreducible morphisms and minimal morphisms will be examined. |
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Almost Split Sequences Fatma Kaynarca, Afyon Kocatepe University.Date: 15th of November, 2022, Tuesday, Time: 13.00 – 14.00.Place: Online-Sakai-Graduate Meetings Abstract: Almost split sequences arose from an attempt to understand the morphisms lying in the radical of a module category are minimal non-split short exact sequences. This sequences were introduced by Maurice Auslander and Idun Reitenin 1974-1975 and have ... Read more Almost Split Sequences |
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Modules with chain conditions up to isomorphism II Zübeyir Türkoğlu, Dokuz Eylül University.Date: 8th of November, 2022, Tuesday, Time: 13:30 – 15:30.Place: Dokuz Eylül Univ., Tınaztepe Campus, Faculty of Science, Department of Mathematics, Room B206. Abstract: In this seminar we will continue to talk about isoartinian, isonoetherian and isosimple modules and rings, see [1]. First we will give characterizations of being right Noetherian ... Read more Modules with chain conditions up to isomorphism II |
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Modules with chain conditions up to isomorphism Zübeyir Türkoğlu, Dokuz Eylül University.Date: 18th of October, 2022, Tuesday, Time: 13:30 – 14:30.Place: Dokuz Eylül Univ., Tınaztepe Campus, Faculty of Science, Department of Mathematics, Room B206. Abstract: In this seminar we will talk about isoartinian, isonoetherian and isosimple modules and rings. These notions have been introduced by Facchini and Nazemian in [1]. Let be ... Read more Modules with chain conditions up to isomorphism |
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Krull-Schmidt theorem for Artin Algebras via evaluation functors Victor Blasco Jimenez, Dokuz Eylül University.Date: 17th of May, 2022, Tuesday, Time: 10.30 – 12.00.Place: Dokuz Eylül University, Tınaztepe Campus, Faculty of Science, Department of Mathematics, room B206 (department seminar and meeting room).Abstract: In this talk, we will show a process of passing from a given Artin Algebra to another one and find a correspondence ... Read more Krull-Schmidt theorem for Artin Algebras via evaluation functors |
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Right minimal morphisms and projective covers over Artin Algebras Victor Blasco Jimenez, Dokuz Eylül University.Date: 10th of May, 2022, Tuesday, Time: 10.30 – 12.00.Place: Dokuz Eylül University, Tınaztepe Campus, Faculty of Science, Department of Mathematics, room B206 (department seminar and meeting room).Abstract: In this talk, we will introduce the basics of the representation theory of Artin Algebras. In particular, the notion of right minimal ... Read more Right minimal morphisms and projective covers over Artin Algebras |
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Modules over Noetherian Hopf Algebras Christian Lomp, University of Porto, Portugal. Date: 21st of April, 2022, Thursday, Time: 10.30 – 12.00. Place: Dokuz Eylül University, Tınaztepe Campus, Faculty of Science, Department of Mathematics, room B206 (department seminar and meeting room). Abstract: In the first part of this talk I will give a short introduction to the theory of Hopf algebras. ... Read more Modules over Noetherian Hopf Algebras |