ISU Discrete Math Seminar
Archive
Back to Spring 2023Fall 2022
September 13
JD Nir
(Toronto Metropolitan University)
- The Benevolent Turán graph: All graphs are Turán-good
September 20
Andrea Freschi
(University of Birmingham)
- The induced saturation problem for posets
September 27
Sean English
(University of North Carolina Wilmington)
- Lower bounds on generalized Ramsey numbers via color energy
October 11
Enrique Gomez-Leos
(Iowa State University)
- A new infinite family of equiisoclinic tight fusion frames
October 18
Henry Simmons
(Iowa State University)
- Regular Graphs with Extremal Rigidity Properties
October 25
Joel Jeffries
(Iowa State University)
- Can you hear the shape of a tree?
November 1
Ruth Luo
(University of South Carolina)
- Minimum degree conditions ensuring the existence of long cycles in hypergraphs
November 8
Anna Halfpap
(University of Montana)
- Rational exponent questions for generalized extremal numbers
November 29
Vic Bednar
(Virginia Commonwealth University)
- An Upper Bound on the Rainbow Turán Number for Trees
December 6
Ryan Cushman
(University of Wisconsin - Eau Claire)
- The Erdős-Gyárfás function $f(n,4,5)$
Spring 2022
March 22
Jason McCullough
(Iowa State University)
- Chow rings, chromatic polynomials, geometric lattices, and more
March 29
Matt Superdock
(Rhodes College)
- Small simplicial complexes with fundamental group $\mathbb{Z}^{n}$
April 8
Misha Lavrov
(Kennesaw State University)
- Fantastic cycles and why we would want to find them
April 12
Balázs Patkós
(Alfréd Rényi Institute of Mathematics)
- $Q$-ary generalizations of set intersection and extremal graph theoretic problems
April 26
Zoe Wellner
(Carnegie Mellon University)
- Colorful Borsuk-Ulam Results, Their Generalizations and Applications
May 3
RTG group report
- On Sign Patterns of Row Orthogonal Matrices
Fall 2021
September 2
Chris Cox
(Iowa State University)
- A toadally ribbeting and unfrogettable tale of longest common subsequences
September 9
Bryan Curtis
(Iowa State University)
- Sign Patterns of Row Orthogonal Matrices
September 30
Ting-Wei Chao
(Carnegie Mellon University)
- Finite Field Kakeya Problem
October 14
József Balogh
(University of Illinois Urbana–Champaign)
- Improved upper bounds on the size of Sidon sets
October 21
Boris Bukh
(Carnegie Mellon University)
- Extremal graphs without exponentially-small bicliques
November 29
Zhanar Berikkyzy
(Fairfield University)
- Long cycles in Balanced Tripartite Graphs
December 2
Daniel McGinnis
(Iowa State University)
- Ehrhart theory of paving and panhandle matroid polytopes
Spring 2021
February 4
Chris Cox
(Iowa State University)
- The maximum number of paths and cycles in planar graphs
March 4
Jüergen Kritschgau
(Iowa State University)
- Rainbow problems on groups and graphs (PhD Defense)
March 11
Dan Cranston
(Virginia Commonwealth University)
- In Most 6-regular Toroidal Graphs All 5-colorings are Kempe Equivalent
March 25
Kate Lorenzen
(Iowa State University)
- Cospectral constructions and spectral properties of variations of the distance matrix (PhD Defense)
April 1
Lauren Keough
(Grand Valley State University)
- Distinguishing colorings and determining sets for Mycielskian graphs
April 15
Allison Beemer
(University of Wisconsin–Eau Claire)
- When cut-sets don't cut it: bounds on adversarial network capacity
April 29
József Balogh
(University of Illinois Urbana–Champaign)
- On Robustness of The Erdős–Ko–Rado Theorem