Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

 
Session Overview
Location: Unitobler, F-106
30 seats, 54m^2
Date: Tuesday, 09/Jul/2019
10:00am
-
12:00pm
MS151, part 1: Cluster algebras and positivity
Location: Unitobler, F-106
 
10:00am - 12:00pm

Cluster algebras and positivity

Chair(s): Lisa Lamberti (ETHZ, Switzerland), Khrystyna Serhiyenko (University of California, Berkeley, USA / University of Kentucky, Lexington), Lauren Williams (Harvard, USA)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Toric degenerations of cluster varieties and cluster duality

Konstanze Rietsch
King’s College London

 

On mirror symmetry for homogeneous spaces

Lara Bossinger1, Juan Bosco Frías Medina2, Tim Magee2, Alfredo Nájera Chávez2
1Max Planck Institute for Mathematics in the Sciences, 2Instituto de Matematicas UNAM, Mexico

 

Generalised friezes and the weak Ptolemy map

Ilke Canakci, Peter Jørgensen
Newcastle University, UK

 

Perfect matching modules for dimer algebras

Ilke Canakci1, Alastair King2, Matthew Pressland3
1Newcastle University, UK, 2University of Bath,UK, 3Universität Stuttgart, D

3:00pm
-
5:00pm
MS154, part 1: New developments in matroid theory
Location: Unitobler, F-106
 
3:00pm - 5:00pm

New developments in matroid theory

Chair(s): Alex FInk (Queen Mary), Ivan Martino (KTH), Luca Moci (Bologna)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Positivity of the coefficients of G-Tutte polynomials

Tan Nhat Tran
Hokkaido

 

Enumerative aspects of G-Tutte polynomials

Masahiko Yoshinaga
Hokkaido

 

Abelian arrangements, matroids and group actions

Emanuele Delucchi
Fribourg (CH)

 

Group actions on generalized Stanley-Reisner rings

Alessio D'Ali
Genova


Date: Wednesday, 10/Jul/2019
10:00am
-
12:00pm
MS151, part 2: Cluster algebras and positivity
Location: Unitobler, F-106
 
10:00am - 12:00pm

Cluster algebras and positivity

Chair(s): Lisa Lamberti (ETHZ, Switzerland), Khrystyna Serhiyenko (University of California, Berkeley, USA / University of Kentucky, Lexington), Lauren Williams (Harvard, USA)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Combinatorics of cluster structures in Schubert varieties

Khrystyna Serhiyenko1, Melissa Sherman-Bennett2, Lauren Williams3
1University of California, Berkeley, USA / University of Kentucky, Lexington, 2University of California, Berkeley, USA, 3Harvard, USA

 

Cluster tilting modules for mesh algebras

Karin Erdmann1, Sira Gratz2, Lisa Lamberti3
1University of Oxford, UK, 2University of Glasgow, UK, 3ETHZ, Switzerland

 

Strings, snake graphs and the cluster expansion formulas

Ilke Canakci1, Vincent Pilaud2, Nathan Reading3, Sibylle Schroll4
1Newcastle University, 2École polytechnique, 3NCSU Campus, 4University of Leicester, UK

 

Friezes and Grassmannian cluster structures

Karin Baur1, Eleonore Faber2, Sira Gratz3, Khrystyna Serhiyenko4, Gordana Todorov5
1Universität Graz / University of Leeds, Austria / UK, 2University of Leeds, UK, 3University of Glasgow, UK, 4University of California, Berkeley, USA / University of Kentucky, Lexington, 5Northeastern University, Boston, USA

3:00pm
-
5:00pm
MS154, part 2: New developments in matroid theory
Location: Unitobler, F-106
 
3:00pm - 5:00pm

New developments in matroid theory

Chair(s): Alex FInk (Queen Mary), Ivan Martino (Northeastern University, United States of America), Luca Moci (Bologna)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Cohomology rings of projective models of toric arrangements

Giovanni Gaiffi
PIsa

 

Arithmetic matroids, posets and cohomology of toric arrangements

Roberto Pagaria
Pisa

 

Categories of matroids, Hopf algebras, and Hall algebras

Jaiung Jun
SUNY Binghamton


Date: Thursday, 11/Jul/2019
10:00am
-
12:00pm
MS164, part 1: Algebra, geometry, and combinatorics of subspace packings
Location: Unitobler, F-106
 
10:00am - 12:00pm

Algebra, geometry, and combinatorics of subspace packings

Chair(s): Emily Jeannette King (University of Bremen, Germany), Dustin Mixon (Ohio State University)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Algebra, Geometry, and Combinatorics of Subspace Packings: Gabor-Steiner Equiangular Tight Frames

Emily King
University of Bremen

 

Group frames, full spark, and other topics

Romanos-Diogenes Malikiosis
Aristotle University of Thessaloniki

 

Equiangular tight frames from nonabeilan groups

John Jasper
South Dakota State University

 

SIC-POVM existence and the Stark conjectures

Gene Kopp
University of Bristol

3:00pm
-
5:00pm
MS154, part 3: New developments in matroid theory
Location: Unitobler, F-106
 
3:00pm - 5:00pm

New developments in matroid theory

Chair(s): Alex FInk (Queen Mary), Ivan Martino (Northeastern University, United States of America), Luca Moci (Bologna)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Characterizing quotients of positroids

Anastasia Chavez
UC Berkeley

 

Algebraic matroids and flocks

Rudi Pendavingh
TU Eindhoven

 

Tropical Ideals

Jeffrey Herschel Giansiracusa
Swansea


Date: Friday, 12/Jul/2019
10:00am
-
12:00pm
MS164, part 2: Algebra, geometry, and combinatorics of subspace packings
Location: Unitobler, F-106
 
10:00am - 12:00pm

Algebra, geometry, and combinatorics of subspace packings

Chair(s): Emily Jeannette King (University of Bremen, Germany), Dustin Mixon (Ohio State University)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Equiangular tight frames from group divisible designs

Matthew Fickus
Air Force Inst. of Technology

 

Using Biangular Gabor Frames to Construct Equiangular Tight Frames

Mark Magsino
Ohio State University

 

Doubly transitive lines: Symmetry implies optimality

Joseph Iverson
Iowa State University

 

Equiangular lines in $\mathbb R^{17}$ and the characteristic polynomial of a Seidel matrix

Gary Greaves
Nanyang Technological University

3:00pm
-
5:00pm
MS154, part 4: New developments in matroid theory
Location: Unitobler, F-106
 
3:00pm - 5:00pm

New developments in matroid theory

Chair(s): Alex FInk (Queen Mary), Ivan Martino (Northeastern University, United States of America), Luca Moci (Bologna)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Gain matroids and their applications

Viktoria Kasznitzky
Eötvös Loránd University

 

Matroid threshold hypergraphs

José Alejandro Samper
Miami

 

Whitney Numbers for Cones

Galen Dorpalen-Barry
Minnesota


Date: Saturday, 13/Jul/2019
10:00am
-
12:00pm
MS164, part 3: Algebra, geometry, and combinatorics of subspace packings
Location: Unitobler, F-106
 
10:00am - 12:00pm

Algebra, geometry, and combinatorics of subspace packings

Chair(s): Emily Jeannette King (University of Bremen, Germany), Dustin Mixon (Ohio State University)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

k-point semidefinite programming bounds for equiangular lines

Fabrício Machado
Universidade de São Paulo

 

Using quantum information techniques to find the number of mutually unbiased bases in any given dimension

Marcin Pawłoski
University of Gdansk

 

Fourier expansions of discrepancy kernels

Martin Ehler
Universität Wien

 

Detection of Ambiguities in Linear Arrays in Signal Processing

Frederic Matter
TU Damstadt

3:00pm
-
5:00pm
MS164, part 4: Algebra, geometry, and combinatorics of subspace packings
Location: Unitobler, F-106
 
3:00pm - 5:00pm

Algebra, geometry, and combinatorics of subspace packings

Chair(s): Emily Jeannette King (University of Bremen, Germany), Dustin Mixon (Ohio State University)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Symplectic Geometry and Frame Theory

Clayton Shonkwiler
Colorado State University

 

Symplectic Geometry, Optimization and Applications to Frame Theory

Tom Needham
Ohio State University

 

The optimal packing of eight points in the real projective plane

Hans Parshall
Ohio State University

 

Spherical configurations with few angles

William J. Martin
Worcester Polytechnic Institute