Research
Seminars
This is a list of recent and future talks at all faculty-organized seminars currently running at the department. Click on the provided links to see older talks.
You might also be interested in the student-only seminar organized by our graduate students and the monthly Math Club for undergraduate students.
Algebra & logic seminar (Aspen Central 018 - Basement, F 9-10a, M. Kinyon)
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 Associatorse |
Analysis & dynamics seminar (Aspen Central 018 - Basement, F 10-11a, R. Pavlov)
May 23 | Antonio Aviles Lopez (University of Murcia, Spain) Strong Gaps and Trees |
May 16 | Jon Chaika (Utah) Diophantine approximation for interval exchange transformations and flows on flat surfaces |
May 9 | Nic Ormes Sofic shifts II |
May 2 | Ronnie Pavlov Sofic shifts |
Apr 11, 18, 25 | Tim Trujillo ^{*} Topological Ramsey spaces, associated ultrafilters, and their applications to the Tukey theory of ultrafilters and Dedekind cuts of nonstandard arithmetic I-III |
Mar 28, Apr 4 | John Griesmer The Structure of Locally Compact Abelian Groups I-II |
Mar 7 | Alvaro Arias The concentration of measure phenomenon in analysis |
Feb 28 | Jose Mijares Palacios Finite Oscillation Stability |
Feb 21 | Gabriel Giron-Garnica ^{*} Schlumprecht's Space |
Jan 31, Feb 7, 14 | Lori Alvin Uniformly Recurrent Sequences and Minimal Cantor Sets I-III |
Jan 24 | Lisa Korf Stochastic optimization |
Nov 15 | Paul Horn The Li-Yau inequality for graphs III |
Oct 25, Nov 8 | Nic Ormes Self-Similar Cantor Systems II, III |
Oct 18 | Paul Horn The Li-Yau inequality for graphs II |
Oct 11 | Nic Ormes Self-Similar Cantor Systems I |
Oct 4 | Paul Horn The Li-Yau inequality for graphs I |
Sep 27 | Ronnie Pavlov Computability of entropy for multidimensional shifts of finite type |
Combinatorics seminar (TBD, F 10a-12p, P. Horn)
May 2 | Kirk Boyer ^{*} Sensor Networks and Barrier Resilience |
Feb 21 | Florian Sobieczky Random Walks on randomly generated Graphs which are typically close to Hamiltonian |
Feb 7 | Problem Working Session |
Nov 15 | Florian Pfender (CU-Denver) Four Regular Graphs with Triangles on Edges |
Nov 1 | Catherine Erbes (CU-Denver) Simple Markov-Chain Algorithms for Generating Bipartite Graphs and Tournaments |
Oct 18 | Problem Working Session |
Oct 4 | Axel Brandt (CU-Denver) Combinatorial Nullstellensatz with (1,2) and (2,3) choosability of graphs |
Sep 20 | Brent Thomas (CU-Denver) Alon’s Combinatorial Nullstellensatz |
Graduate colloquium (Aspen Central 018, F 2-3p, N. Dobrinen)
The colloquium is intended for student reports concerning their current research, and for faculty and visitors' lectures on introductory topics. The colloquium is regularly followed by a tea.
May 30 | Gabor Lippner (Harvard University) Measurable graph theory Abstract: Studying graphs whose vertex set is a measure space poses new and exciting challenges that connect analysis and discrete mathematics. In this talk I will give an introduction to the topic, mention recent developments, and outline connections to property testing and constant query complexity algorithms. |
May 23 | Sheila Miller (New York City College of Technology) Critical sequences of rank-to-rank embeddings and a tower of finite left distributive algebras |
May 16 | Gavin St. John ^{*}Goedel's theorems |
May 9 | Timothy Trujillo ^{*}Thesis Defense: Topological Ramsey spaces, associated ultrafilters, and their applications to the Tukey theory of ultrafilters and Dedekind cuts of nonstandard arithmetic |
May 2 | Stan Gudder The Universe According to Gudder |
Apr 25 | Andy Linshaw The chiral de Rham complex |
Apr 18 | Gabriel Giron ^{*}Tsirelson Type Spaces |
Apr 11 | Lauren Morey ^{*}Integral enumeration formulas |
Apr 4 | Natasha Dobrinen Introductory overview of the Tukey theory of ultrafilters |
Feb 28 | Drew Ash ^{*}D-Simplices of Minimal Cantor Systems |
Feb 21 | Nathan McNew ^{*}Things you can prove with a degree from DU, two results in number theory |
Feb 14 | Tim Trujillo ^{*}Ramsey for R1 Ultrafilters and Their Dedekind Cuts: II |
Feb 7 | Florian Sobieczky The Newsboy Problem |
Jan 31 | Riqulemi Cardona ^{*}The Finite Embeddability Property for Noncommutative Knotted Extensions of RL |
Jan 24 | George Herrmann ^{*}Lipschitz Seminorms toward Quantum Metric Spaces |
Nov 8 | Alvaro Arias The Ramsey Theorem in Banach Spaces |
Oct 18 | Paul Horn Probabilistic combinatorics and spectral graph theory: (not so) strange bedfellows |
Oct 11 | Thomas French *Sequences of Minimal Complexity |
Oct 4 | Adriana Suarez Provable Security for Key Establishment Protocols |
Sep 27 | Lori Alvin Adding machines and Low Dimensional Dynamics |
Sep 20 | Jose Mijares On topological Ramsey spaces |
Teaching Excellence seminar (Aspen Central 018 - Basement, F 12-1p, N. Galatos)
Feb 28 | Panel Discussion Teaching As A Graduate Student |
Feb 7 | Wesley Fussner ^{*} Using Primary Historical Sources to Facilitate Discovery Learning |
Jan 24 | Lisa Korf Online Calculus |
Oct 25 | Derek Bruff Class time reconsidered: Motivating student participation and engagement. (Note: This talk will take place in JGH 315 at 2pm) |
Oct 11 | Charlie Dickenson MyAcademicWorkshop presentation |