Recent Talk Slides

**Chromatic Symmetric Functions and Polynomial Invariants of Trees**

SIAM Central States Section, University of Missouri at Kansas City, October 5, 2024

(shorter talk intended for a applied math-oriented audience)**Chromatic Symmetric Functions and Polynomial Invariants of Trees**

CombinaTexas, Texas A&M University, March 23, 2024

(longer talk intended for a combinatorics-oriented audience)**¿Cuántos árboles tiene un red?**

Coloquio de Matemáticas, Pontificia Universidad Católica de Chile, September 8, 2023**Unbounded Matroids**

Triangle Lectures in Combinatorics, University of North Carolina-Greensboro, December 3, 2022**Simplicial and Cellular Trees**

Great Plains Combinatorics Conference, North Dakota State University, May 1, 2022**Simplicial Effective Resistance and Tree Enumeration**

U. Delaware Discrete Mathematics and Algebra Seminar, December 9, 2021**Ehrhart Theory for Paving Matroids**

KU Combinatorics Seminar, October 22, 2021**Hopf Monoids of Ordered Simplicial Complexes**

AMS Central Section Meeting, online, October 10, 2021**Simplicial Effective Resistance and Enumeration of Spanning Trees**

SIAM Central States Section Meeting, online, hosted by University of Kansas, October 2, 2021**Unbounded Matroids**

KU Combinatorics Seminar, September 17, 2021**My Experiences with Using Inquiry-Based Learning in Upper-Division Math Classes**

KU Mathematics Teaching Matters Seminar (online), April 19, 2021**A Hopf Monoid of Set Families**

Hopfstravaganza (online), January 13, 2021**What Else Can You Count If You Can Count Trees?**

Math Club, Washburn University, March 3, 2020**A positivity phenomenon in Elser's Gaussian-cluster percolation model**

AMS Southeast Sectional Meeting, University of Florida, November 2, 2019**What Else Can You Count If You Can Count Trees?**

Math/CS Department Colloquium, Benedictine College, April 4, 2019**Oscillation estimates of eigenfunctions via the combinatorics of noncrossing partitions**

SIAM Central States Section Meeting, University of Oklahoma, October 6, 2018**Planes, Hyperplanes, and Beyond: Understanding Higher-Dimensional Spaces**

Missouri MAA Sectional Meeting, Drury University, April 7, 2018**Simplicial and Cellular Spanning Trees**

Colloquium, Graduate Student Combinatorics Conference, KU, April 7, 2017**Planes, Hyperplanes, and Beyond: Understanding Higher-Dimensional Spaces**

**Trees and How to Count Them**

The Frank S. Brenneman Lectures, Tabor College, March 28, 2017**Arithmetical structures on graphs and Catalan combinatorics**

AMS Midwest Sectional Meeting, University of St. Thomas, Minneapolis, October 30, 2016

**Simplicial Complexes (And Sage, Of Course!) From A Combinatorialist's Point Of View**

Sage Days 74, CIAS, Observatoire de Paris, Meudon, June 2, 2016**A non-partitionable Cohen-Macaulay simplicial complex**

Kansas State Combinatorics Seminar, February 17, 2016**A non-partitionable Cohen-Macaulay simplicial complex**

AMS Southeastern Sectional Meeting, University of Memphis, October 18, 2015**A non-partitionable Cohen-Macaulay simplicial complex**

Midwest Combinatorics Conference, University of Minnesota, May 19, 2015**New approaches to conjectures on decompositions of simplicial complexes**

AMS Western Sectional Meeting, U. Nevada, Las Vegas, April 19, 2015**The uniqueness problem for chromatic symmetric functions of trees**

AMS Western Sectional Meeting, U. Nevada, Las Vegas, April 18, 2015**Pseudodeterminants and perfect square spanning tree counts**

AMS Central Sectional Meeting, U. Wisconsin, Eau Claire, September 20, 2014**Eigenvalues of Simplicial Rook Graphs**

University of California, Davis, November 4, 2013**The (Co)Critical Group of a Cell Complex**

AMS Central Sectional Meeting, Washington U., St. Louis, October 20, 2013**Cuts and Flows in Cell Complexes**

FPSAC 2013, Paris, June 28, 2013**On the Spectra of Simplicial Rook Graphs**

Poster, FPSAC 2013, Paris, June 24, 2013**Enumerating Cellular Colorings, Orientations, Tensions and Flows**

Joint Math Meetings, San Diego, January 12, 2013

**On the Eigenvalues of Simplicial Rook Graphs**

AMS Southeastern Sectional Meeting, Tulane University, October 13, 2012

and the accompanying Sage worksheet

**Simplicial and Cellular Spanning Trees I: General Theory**

University of California, Davis, March 6, 2012**Simplicial and Cellular Spanning Trees II: Examples**

University of California, Davis, March 7, 2012**Spanning Trees of Shifted Simplicial Complexes**

AMS Central Sectional Meeting, University of Nebraska, October 16, 2011**Spanning Trees of Simplicial Complexes**

Rocky Mountain Mathematics Consortium, June 28, 2011**The Incidence Hopf Algebra of Graphs**

Poster, FPSAC 2011, June 14, 2011**Graph Theory and Discrete Geometry**

Graduate Seminar, KU Department of Chemical and Petroleum Engineering, November 9, 2010**Updown Numbers and the Initial Monomials of the Slope Variety**

AMS Central Sectional Meeting, University of Notre Dame, November 6, 2010**Graph Theory and Geometry**

KU Faculty Seminar, October 12, 2010

Jeremy Martin's home page

*Last updated 10/5/24*