Browsing by MSC "16"
Now showing items 21-40 of 85
-
Homological properties of piecewise hereditary algebras
[OWP-2009-11] (Mathematisches Forschungsinstitut Oberwolfach, 2009-03-05)Let $\Lambda$ be a finite dimensional algebra over an algebraically closed field $k$. We will investigate homological properties of piecewise hereditary algebras $\Lambda$. In particular we give lower and upper bounds of ... -
0619 - Interactions between Algebraic Geometry and Noncommutative Algebra
[OWR-2006-23] (2006) - (07 May - 13 May 2006)The workshop discussed the interactions between algebraic geometry and various areas of noncommutative algbebra including finite dimensional algebras, representation theory of algebras and noncommutative algebraic geometry. ... -
1019 - Interactions between Algebraic Geometry and Noncommutative Algebra
[OWR-2010-22] (2010) - (09 May - 15 May 2010)The aim of this workshop was to communicate the most current developments in the field of noncommutative algebra and its interactions with algebraic geometry and representation theory. -
1421 - Interactions between Algebraic Geometry and Noncommutative Algebra
[OWR-2014-25] (2014) - (18 May - 24 May 2014)The workshop presented the current developments in the field of noncommutative algebra geometry and its interactions with algebraic geometry and representation theory. -
2218 - Interactions between Algebraic Geometry and Noncommutative Algebra
[OWR-2022-23] (2022) - (01 May - 07 May 2022)This workshop was on the interactions between noncommutative algebra, representation theory and algebraic geometry. The major objective was to bring together researchers from those areas with the focus on topics and ... -
1336 - Matrix Factorizations in Algebra, Geometry, and Physics
[OWR-2013-44] (2013) - (01 Sep - 07 Sep 2013)Let $W$ be a polynomial or power series in several variables, or, more generally, a nonzero element in some regular commutative ring. A matrix factorization of $W$ consists of a pair of square matrices $X$ and $Y$ of the ... -
Maximal Quaternion Orders in Quadratic Extensions - in Hurwitz’s Diaries
[OWP-2020-16] (Mathematisches Forschungsinstitut Oberwolfach, 2020-08-03)We present and comment on some unpublished work of Adolf Hurwitz on quaternion arithmetic from his diaries. -
1946a - Mini-Workshop: Algebraic Tools for Solving the Yang–Baxter Equation
[OWR-2019-51] (2019) - (10 Nov - 16 Nov 2019)The workshop was focused on three facets of the interplay between set-theoretic solutions to the Yang--Baxter equation and classical algebraic structures (groups, monoids, algebras, lattices, racks etc.): structures used ... -
0508c - Mini-Workshop: Analytical and Numerical Methods in Image and Surface Processing
[OWR-2005-10] (2005) - (20 Feb - 26 Feb 2005)The workshop successfully brought together researchers from mathematical analysis, numerical mathematics, computer graphics and image processing. The focus was on variational methods in image and surface processing such ... -
0748c - Mini-Workshop: Arithmetik von Gruppenringen
[OWR-2007-55] (2007) - (25 Nov - 01 Dec 2007)The theory of group rings has many connections to other mathematical areas, such as number theory, K-theory, topology, representation theory, homological algebra and of course the theory of finite and infinite groups, and ... -
2405b - Mini-Workshop: Bridging Number Theory and Nichols Algebras via Deformations
[OWR-2024-5] (2024) - (28 Jan - 02 Feb 2024)Nichols algebras are graded Hopf algebra objects in braided tensor categories. They appeared first in a paper by Nichols in 1978 in the search for new examples of Hopf algebras. Rediscovered later several times, they ... -
1810a - Mini-Workshop: Chromatic Phenomena and Duality in Homotopy Theory and Representation Theory
[OWR-2018-9] (2018) - (04 Mar - 10 Mar 2018)This mini-workshop focused on chromatic phenomena and duality as unifying themes in algebra, geometry, and topology. The overarching goal was to establish a fruitful exchange of ideas between experts from various areas, ... -
1910c - Mini-Workshop: Cohomology of Hopf Algebras and Tensor Categories
[OWR-2019-11] (2019) - (03 Mar - 09 Mar 2019)The mini-workshop featured some open questions about the cohomology of Hopf algebras and tensor categories. Questions included whether the cohomology ring of a finite dimensional Hopf algebra or a finite tensor ... -
1508b - Mini-Workshop: Coideal Subalgebras of Quantum Groups
[OWR-2015-10] (2015) - (15 Feb - 21 Feb 2015)Coideal subalgebras of quantized enveloping algebras appear naturally if one considers quantum group analogs of Lie subalgebras. Examples appear in the theory of quantum integrable systems with boundary and in harmonic ... -
2348a - Mini-Workshop: Combinatorial and Algebraic Structures in Rough Analysis and Related Fields
[OWR-2023-54] (2023) - (26 Nov - 02 Dec 2023)Recent years have seen an explosion of algebraic methods to study singular stochastic and rough dynamics. These include developments in geometric rough path theory based on the algebra of words, the introduction of ... -
0946b - Mini-Workshop: Formal Methods in Commutative Algebra: A View Toward Constructive Homological Algebra
[OWR-2009-50] (2009) - (08 Nov - 14 Nov 2009)The purpose of the mini-workshop is to bring into the same place different mathematical communities that study constructive homological algebra and are motivated by different applications (e.g., constructive algebra, symbolic ... -
1416c - Mini-Workshop: Infinite Dimensional Hopf Algebras
[OWR-2014-20] (2014) - (13 Apr - 19 Apr 2014)This is a report of the above mini-workshop. It contains brief accounts of all 17 talks given at the meeting, with commentary on their interconnections. A selection of the numerous open questions discussed at and generated ... -
1320c - Mini-Workshop: Localising and Tilting in Abelian and Triangulated Categories
[OWR-2013-26] (2013) - (12 May - 18 May 2013)The workshop brought together experts on localisation theory and tilting theory from different parts of mathematics with the aim of fully exploiting the power of some recent developments in so far rather independent contexts. ... -
1240a - Mini-Workshop: Nichols Algebras and Weyl Groupoids
[OWR-2012-47] (2012) - (30 Sep - 06 Oct 2012)Nichols algebras are graded braided Hopf algebras satisfying a universal property. Many structural results of a Nichols algebra can be obtained by studying itsWeyl groupoid and its homology. In the mini-workshop, introductions ... -
0910c - Mini-Workshop: Non-Negativity is a Quantum Phenomenon
[OWR-2009-14] (2009) - (01 Mar - 07 Mar 2009)In recent publications, the same combinatorial description has arisen for three separate objects of interest: non-negative cells in the real grassmannian (Postnikov, Williams); torus orbits of symplectic leaves in the ...