Seminars
Algebra & Logic Seminar
2017-2018
May 18 | Petr Vojtechovsky Enumeration of racks and quandles up to isomorphism |
Mar 9 | Wesley Fussner Duality and functonality |
Feb 2 | Sara Ugolini (University of Pisa, Italy) Generalized rotations of residuated lattices: a duality-theoretic perspective |
Nov 17 | Damiano Fulghesu (Minnesota State University) Families of Plane Curves |
Oct 20,27, Nov 3,10 | Rick Ball What pointfree topology has to say about the Baire functions I-IV |
Oct 13 (10pm) | Robert McRae (Vanderbilt University) On braided tensor categories associated to sl_2 |
Sep 22 | Dan Hathaway Ramsey theory on generalized Baire space |
Sep 15 | Dan Hathaway Disjoint infinity-Borel functions |
2016-2017
May 5 | Pedram Hekmati (IMPA, Rio de Janeiro and University of Auckland) K-theory and the Fourier-Mukai transform |
Apr 14 | Wesley Fussner Restoring Kalman involution |
Feb 17 | Alexandre Grichkov (University of Sao Paulo, Brazil) Quasivarieties of loops and Moufang's Theorem |
Feb 10 | Kazuya Kawasetsu (Academia Sinica, Taipei) Quasi-lisse vertex algebras and modular linear differential equations |
Jan 13 | Jordan Watts (CU Boulder) Quotients of Lie Group Actions |
Nov 11 | Masoumah Al-Ali Vertex Algebras and the Z_2-orbifold of the W_3-algebra |
Nov 4 | Michael Lau (Universite Laval) Affine Lie algebras, current algebras, and representations |
Sep 16 | Dan Hathaway The Halpern-Lauchli Theorem at a Measurable Cardinal |
2015-2016
May 27 | Shashank Kanade (University of Alberta) On a Koszul complex related to the principal subspace of the level 1 vacuum module of A_{1} ^{(1)} |
May 20 | Rick Ball Truncated divisible abelian l-groups |
May 13 | Jonas Hartwig (Iowa State University) Noncommutative singularities and vertex models |
Apr 29 | Amanda Schaeffer Fry (MSU Denver) Maximal Subgroups and Irreducible Restrictions Problem |
Apr 22 | Frank Schroeck The Conserved Current |
Apr 15 | Natasha Dobrinen Spectra of Tukey types of ultrafilters on Boolean algebras |
Apr 1, 8 | Marco Bonatto (University of Ferrara, Italy) Quandle coverings and non-abelian cohomology I-II |
Feb 5 | Petr Vojtechovsky Classification of Bol loops and Bruck loops of order pq (3/3) |
Jan 29 | Michael Kinyon Classification of Bol loops and Bruck loops of order pq (2/3) |
Jan 22 | Petr Vojtechovsky Classification of Bol loops and Bruck loops of order pq (1/3) |
Nov 6 | Jinwei Yang (University of Notre Dame) Vertex algebras associated to abelian current Lie algebras |
Oct 9 | Dan Hathaway Distributive Laws for Boolean Algebras |
2014-2015
May 22 | Jose Mijares Topological Ramsey spaces and metrically Baire sets |
May 15 | Riquelmi Cardona The FEP for some noncommutative varieties of fully distributive knotted residuated lattices |
May 8 | Mouna Aboras Dihedral-like constructions of automorphic loops |
May 1 | Nick Galtos Densification via polynomials |
Apr 24 | Wesley Fussner Twist Products and Some Adjunctions of Categories of Residuated Lattices |
Apr 10 | Fedor Malikov (University of Southern California) Algebras of chiral differential operators in the language of Beilinson and Drinfeld |
Apr 3 | Amanda Schaeffer Fry (Metropolitan State University of Denver) Local-Global Conjectures, Character Tables, and Self-Normalizing Sylow Subgroups |
Feb 27 | Gabor Nagy (University of Szeged) Finite k-Nets in Projective Planes |
Feb 20 | Izabella Stuhl Steiner Loops |
Feb 6 | Andy Linshaw T-duality and the twisted chiral de Rham complex |
Jan 23 | Rick Ball Pointfree Pointwise Suprema in Unital Archimedean l-Groups |
Jan 16 | Pedram Hekmati (University of Adelaide) Categorified Fock Representations |
Nov 14 | Christopher Sadowski (Ursinus College) Representations of affine Lie algebras and integer partitions |
Nov 7 | Michael Penn (Colorado College) Lattice Vertex Algebras and Principle Subspaces |
Oct 31 | Ian Wanless (Monash University) Matching polynomials and tree-like walks in regular graphs |
Oct 17 | Rick Ball The epimorphism game for completely regular frames |
Oct 10 | Michael Kinyon Torsors and ternary Moufang loops |
2013-2014
May 23 | Andrew Misseldine (Brigham Young) Primitive Idempotents of Schur Rings |
May 16 | Lajos Molnar (Debrecen) On an operation on the positive definite cone of a $C^*$-algebra |
May 2, Apr 25 | Konrad Aguilar ^{*} Hopf Algebras I, II |
Apr 11 | Michael Kinyon Characterizing classes of semigroups by forbidden subsemigroups |
Apr 4 | Michael Kinyon Abundant, amiable, adequate, ample and other types of semigroups starting with “a” |
Mar 28 | Michael Kinyon Introduction to regular and inverse semigroups |
Feb 14, 21, 28 | Rick Ball Unital Hyperarchimedean Vector Lattices I-III |
Jan 24, 31, Feb 7 | Andy Linshaw Introduction to vertex algebras I-III |
Oct 18, Nov 1 | Nick Galatos Proof theory for lattice-ordered groups I,II |
Oct 4, 11 | Petr Vojtechovsky Transitive groups with a view toward quandles I-II |
Sep 27 | Michael Kinyon Loops, Commutators and Associators |
2012-2013
May 10, 17 | Riquelmi Cardona Fuentes ^{*} The finite embeddability property for some noncommutative knotted extensions of RL I, II |
May 3 | Nick Galatos The finite embeddability property for integral residuated lattices |
Apr 19, 26 | Tim Trujillo ^{*} A new Ramsey classification theorem with an application to the Tukey theory of ultrafilters I, II |
Apr 12 | Mouna Aboras ^{*} Dihedral-like automorphic loops |
Apr 5 | Jonathan D. H. Smith (Iowa State) Sylow theory for quasigroups II: Burnside orders |
Mar 29 | Jonathan D. H. Smith (Iowa State) Sylow theory for quasigroups I: non-overlapping orbits |
Nov 9 | Ales Drapal (Charles University in Prague, Czech Republic) Cyclic extensions of Moufang loops |
Nov 9 | Florian Sobieczky Ergodic equivalence relations, invariant measures and random trees |
Oct 19, 26 Nov 2 |
John Griesmer Ultrafilters, semigroups, and Ramsey Theory I-III |
Oct 5, 12 | Rick Ball The sheaf representation of a truncated l-group I, II |
Nov 9 | Petr Vojtechovsky Commutator theory for loops I, II |
2011-2012
Jun 1 | David Stanovsky Quandles |
May 29 | Tomas Kepka (Charles University in Prague, Czech Republic) Constructions of semigroups and semirings |
May 25 | David Stanovsky Left-distributive groupoids |
May 17 | Libor Barto (McMaster University, Canada and Charles University in Prague, Czech Republic) Robust algorithms for CSPs |
Apr 27 | Rick Ball Truncated and diminished lattice-ordered groups |
Apr 6, 13, 20 | Nick Galatos Beth definability via a categorical equivalence I-III |
Mar 2 | David Stanovsky (Charles University in Prague, Czech Republic) Nilpotent and solvable algebras |
Feb 17, 24 | David Stanovsky (Charles University in Prague, Czech Republic) Abelian algebras |
Jan 20, Feb 10 | David Stanovsky (Charles University in Prague, Czech Republic) Algebra and Constraint Satisfaction |
Jan 13 | David Stanovsky (Charles University in Prague, Czech Republic) Modern universal algebra |
Jan 6 | Petr Vojtechovsky Computational aspects of loop theory |
Dec 16 | Alexander Grishkov (University of Sao Paulo, Brazil) Nilpotent Moufang loops |
Nov 11-18 | Dylene Barros (University of Sao Paulo, Brazil) Commutative automorphic loops of order p^3 |
Nov 4 | Michael Kinyon Torsors and semitorsors |
Oct 14 | Petr Vojtechovsky Geometric loop constructions |
Sep 23 | Nick Galatos l-pregroups |
2010-2011
Apr-May | Michael Kinyon Semigroups I-III |
Jan-Apr | Rick Ball Birkhoff's theorem from a categorical perspective I-VI |
Oct 29 | Mark Greer ^{*} Constructions of dissociative loops |
Oct 29 | Jenya Kirshtein ^{*} Automorphism groups of Cayley-Dickson loops |
Oct 22 | Kyle Pula ^{*} Combinatorial Nullstellensatz and transversals in latin squares |
Oct 15 | Natasha Dobrinen Some structure theorems in the Tukey types of ultrafilters |
Oct 8 | Natasha Dobrinen Introduction to ultrafilters, the Rudin-Keisler ordering, and the Tukey ordering |
Oct 1 | Natasha Dobrinen More canonizations |
Sep 24 | Natasha Dobrinen A canonical Ramsey theorem |
2009-2010
May 21 | Natasha Dobrinen Tukey types of ultrafilters |
May 14 | Natasha Dobrinen Two key theorems |
Apr 30 | Jenya Kirshtein Cayley-Dickson loops |
Apr 23 | Petr Vojtechovsky Searching for simple automorphic loops |
Apr 2-16 | Rick Ball The P-frame reflection of a completely regular frame I-III |
Mar 30 | Kenneth Johnson (Penn State Abington) The FKG-inequality and applications |
Mar 9 | Michael Kinyon Loops |
Feb 11 | Alexandr Grishkov (University of Sao Paulo, Brazil) Bol loops |
Jan 12 - Feb 2 | Nick Galatos The isomorphism problem for logics over M-sets I, II |
Oct 26 - Nov 16 | Ales Drapal (Charles University in Prague) Latin bitrades I-IV |
Oct 5-19 | Stan Gudder Search for quantum reality I-III |
Sep 28 | Petr Vojtechovsky Distances of groups |
Sep 21 | Michael Kinyon Semisimple bands |
2007-2008
May 23 | Peter Jipsen (Chapman) The structure of free domain semirings and their representation by binary relations |
May 2-30 | Nikolaos Galatos Residuated frames I-IV |
Apr 18 | Dan Daly Epimorphisms and surjections in groups |
Mar 7 - Apr 11 | Rick Ball Homomorphism dualities I-IV |
Feb 8-22 | Petr Vojtechovsky Codes over GF(p) with prescribed intersections I-III |
Jan 11 - Feb 1 | Michael Kinyon Skew lattices I-IV |
Oct 29 - Nov 12 | Natasha Dobrinen Von Neumann's problem and Maharam's problem I-III |
Sep 17 - Oct 15 | Rick Ball Forbidden configurations in Priestley spaces I-V |
2006-2007
May 30 | Kenneth Johnson (Penn State Abington) Group matrices, harmonic analysis and the finite Fourier transform |
May | Rick Ball Full-blown Priestley duality |
April | Michael Kinyon and Petr Vojtechovsky On simple Bol loops |
Winter | Michael Kinyon and Petr Vojtechovsky Series of talks on loops and quasigroups |
Fall | Eric Zenk Frames |
2005-2006
All year | Rick Ball Lattices and dualities |