AMS Sectional Meeting Program by Day
Current as of Saturday, April 18, 2020 03:30:05
Spring Western Sectional Meeting
 California State University, Fresno, Fresno, CA
 May 23, 2020 (Saturday  Sunday)
 Meeting #1158
Michel L Lapidus, AMS lapidus@math.ucr.edu
Please note room assignments are subject to change right up until the meeting occurs. The program published here is continually updated and may be more current than the printed program.
Sunday May 3, 2020

Sunday May 3, 2020, 8:00 a.m.12:00 p.m.
Exhibit and Book Sale
Rotunda, Science 2 Building 
Sunday May 3, 2020, 8:00 a.m.12:00 p.m.
Meeting Registration
Rotunda, Science 2 Building 
Sunday May 3, 2020, 8:00 a.m.10:50 a.m.
Special Session on Advances in Functional Analysis and Operator Theory, III
Room 208, Science 2 Building
Organizers:
Yuri Latushkin, University of Missouri, Columbia
Marat Markin, California State University, Fresno mmarkin@csufresno.edu
Igor Nikolaev, St. John's University
Ilya Spitkovsky, New York University, Abu Dhabi

8:00 a.m.
Quantum metrics on the tensor product of a commutative C*algebra and an AF C*algebra.
Konrad Aguilar*, University of Southern Denmark
(115846155) 
8:30 a.m.
Generalization Theory of Linear Algebra II.
Christina Pospisil*, University of Massachusetts Boston
(11581514) 
9:00 a.m.
PortHamiltonian PDEs on infinite networks.
SvenAke Wegner*, Teesside University
(11584712) 
9:30 a.m.
Maximum modulus principle for multipliers.
Ievgen (Eugene) Bilokopytov*, University of Manitoba
(115846208) 
10:00 a.m.
Set Criterion for Selected Quantum Theory Equations.
Rasulkhozha Sultonkhozhaevich Sharafiddinov*, Institute of Nuclear Physics, Uzbekistan Academy of Sciences, 100214 Ulugbek, Tashkent, UZBEKISTAN
(115881100) 
10:30 a.m.
On $C_2$sequence spaces in 2normed spaces using ideal convergence and Orlicz function.
Sukhdev Singh*, Department of Mathematics, Lovely Professional University, Phagwara, Punjab, India
(11584026)

8:00 a.m.

Sunday May 3, 2020, 8:00 a.m.10:50 a.m.
Special Session on Algebraic Structures in Knot Theory, III
Room 136, Peters Business Building
Organizers:
Carmen Caprau, California State University, Fresno ccaprau@csufresno.edu
Sam Nelson, Claremont McKenna College

8:00 a.m.
Finding Structure in the Knot Polynomials using Data Science.
Pawel Dlotko, Swansea University
Mustafa Hajij, KLA Corporation
Jesse Levitt*, University of Southern California
Radmila Sazdanovic, North Carolina State University
(115854362) 
8:30 a.m.
Developing a software for skein computations in knot complements.
Rachel Marie Harris*, Texas Tech University
(11585735) 
9:00 a.m.
On multiterm distributive homology.
Sujoy Mukherjee*, The Ohio State University
Jozef H. Przytycki, The George Washington University
(115857193) 
9:30 a.m.
Sequence of Undetectable Nonquasipositive Braids.
Elaina Aceves*, University of Iowa
(115857130) 
10:00 a.m.
Computing YangBaxter homology.
Jozef H. Przytycki*, George Washington University
Xiao Wang, Jilin University, Changchun, China
(11585789) 
10:30 a.m.
Crosscap number of 2bridge knots and the partial order on prime knots.
Jim Hoste*, Pitzer College
Patrick D Shanahan, Loyola Marymount University
Cornelia Van Cott, University of San Francisco
(115857170)

8:00 a.m.

Sunday May 3, 2020, 8:00 a.m.10:50 a.m.
Special Session on DG Methods in Commutative Algebra and Representation Theory, III
Room 307, Science 2 Building
Organizers:
Benjamin Briggs, University of Utah
Janina Letz, University of Utah letz@math.utah.edu
Josh Pollitz, University of Utah

8:00 a.m.
Transferring algebra structures on complexes, part 1.
Claudia Miller, Syracuse University
Hamid Rahmati*, University of Nebraska
(115813178) 
8:30 a.m.
Transferring algebra structures on complexes, part 2.
Claudia Miller*, Syracuse University
Hamid Rahmati, University of Nebraska  Lincoln
(115813176) 
9:00 a.m.
Endomorphism invariant modules and ring classifications.
Haydee M Lindo*, Williams College
(115813331) 
9:30 a.m.
QuasiProjective Dimension.
Mohsen Gheibi*, University of Texas at Arlington
David A. Jorgensen, University of Texas at Arlington
Ryo Takahashi, Nagoya University
(11581896) 
10:00 a.m.
Dimension and codimension of homologically finite complexes.
Lars Winther Christensen*, Texas Tech University
Srikanth B Iyengar, University of Utah
(115813202) 
10:30 a.m.
Complexes of Injectives Over Commutative Noetherian Rings.
Pinches Dirnfeld*, University of Utah
(115818241)

8:00 a.m.

Sunday May 3, 2020, 8:00 a.m.10:40 a.m.
Special Session on How to Solve It? Heuristics and Inquiry Based Learning, III
Room 308, Science 2 Building
Organizers:
Mario Banuelos, California State University, Fresno
Andrew G. Benedek, Research Centre for the Humanities, Hungary
Agnes Tuska, California State University, Fresno agnest@csufresno.edu

8:00 a.m.
Discussion 
8:30 a.m.
Towards a Lacanian Critique in Mathematics Education: The University Discourse and Current Work.
Lance D Burger*, California State University, Fresno
(115897137) 
9:00 a.m.
Learning from and Working with Contradictions in Heuristics.
Can Başkent*, Department of Computer Science, Middlesex University, London
(115803118) 
10:00 a.m.
Models and Logics in the Practice of Mathematical Heuristics: Tools for concept development and discovery or just for retroactive reconstruction?
Andrew G. Benedek*, Institute of Philosophy Research Centre for the Humanities
(115894248)

8:00 a.m.

Sunday May 3, 2020, 8:00 a.m.10:50 a.m.
Special Session on Inverse Problems, III
Room 143, Science 1 Building
Organizers:
Hanna Makaruk, Los Alamos National Laboratory
Robert Owczarek, University of New Mexico, Albuquerque and University of New Mexico, Los Alamos rowczare@unm.edu

8:00 a.m.
Two color ejecta measurement mystery in Sn.
Michael I Ham*, Los Alamos National Laboratory
(115860140) 
8:30 a.m.
Inverse Problem of Recreating a Process from the Data Collected in Oneof a Kind experiment: why Range of True Experimental Values and Measurement Uncertainty are Independent from each other.
Hanna Makaruk*, P23, Physics Division, Los Alamos National Laboratory, Los Alamos NM
(11586278) 
9:00 a.m.
Uncertainty Propagation through the Logarithmic Derivative of a Convolution.
Benjamin Cowen*, Nevada National Security Site, Los Alamos Office
(11584295) 
9:30 a.m.
On feasibility of extrapolation of complex electromagnetic permittivity functions using KramerKronig relations.
Yury Grabovsky, Temple University
Narek Hovsepyan*, Temple University
(11583070) 
10:00 a.m.
Velocity and density reconstructions of detonation waves in conventional high explosives from proton radiographic images obtained at Los Alamos Neutron Science Center.
Sky K. Sjue*, Los Alamos National Laboratory
(115862144) 
10:30 a.m.
Linearized Krylov Subspace Bregman Iteration with Nonnegativity Constraint.
Mirjeta Pasha*, Kent State University
Alessandro Buccini, University of Cagliari
Lothar Reichel, Kent State University
(11586540)

8:00 a.m.

Sunday May 3, 2020, 8:00 a.m.10:50 a.m.
Special Session on Mathematical Methods in Evolution and Medicine (associated with the Invited Address by Natalia Komarova), III
Room 210, Science 2 Building
Organizers:
Natalia L. Komarova,
Jesse Kreger, University of California, Irvine kregerj@uci.edu

8:00 a.m.
Forecasting the course of disease outbreaks with ICC curves.
Joceline Lega*, University of Arizona
(115892209) 
9:00 a.m.
Statistical inference for the evolutionary history of cancer genomes.
Marek Kimmel*, Rice University
Khanh N Dinh, Columbia University
Roman Jaksik, Silesian University of Technology
Amaury Lambert, Sorbonne Universites
Simon Tavare, Columbia University
(115892199) 
10:00 a.m.
Evolutionary dynamics of cancer and its response to treatment.
Ivana Bozic*, University of Washington
(115892289) 
10:30 a.m.
A mathematical model of ctDNA shedding predicts tumor detection size.
Johannes G. Reiter*, Stanford University
(115892135)

8:00 a.m.

Sunday May 3, 2020, 8:00 a.m.10:20 a.m.
Special Session on Recent Advances in Mathematical Biology, Ecology, Epidemiology, and Evolution, III
Room 206, Science 2 Building
Organizers:
Lale Asik, Texas Tech University lale.asik@ttu.edu
Khanh Phuong Nguyen, University of Houston
Angela Peace, Texas Tech University

8:00 a.m.
Social Grouping as a MultiPlayer Evolutionary Game.
Zhijun Wu*, Iowa State University
(1158929) 
8:30 a.m.
Evolutionary dynamics of polarization and cooperation in groupstructured populations.
Mari Kawakatsu*, Program in Applied and Computational Mathematics, Princeton University
Simon A. Levin, Department of Ecology and Evolutionary Biology, Princeton University
Corina E. Tarnita, Department of Ecology and Evolutionary Biology, Princeton University
(115892317) 
9:00 a.m.
Normative and evolutionary perspectives on individual differences in cognitive flexibility.
Anastasia Bizyaeva*, Princeton University
Sebastian Musslick, Princeton University
Naomi Ehrich Leonard, Princeton University
(115892262) 
9:30 a.m.
An Adaptive Voter Model in Heterogeneous Environments.
Olivia J. Chu*, Princeton University
Marc Wiedermann, Potsdam Institute for Climate Impact Research
Jonathan F. Donges, Potsdam Institute for Climate Impact Research
(115891358) 
10:00 a.m.
Analysis of long term transient dynamics in a three species predatorprey model with two timescales.
Susmita Sadhu*, Georgia College and State University
(115834284)

8:00 a.m.

Sunday May 3, 2020, 8:00 a.m.10:50 a.m.
Special Session on Scientific Computing, I
Room 145, Science 1 Building
Organizers:
Changho Kim, University of California, Merced ckim103@ucmerced.edu
Roummel Marcia, University of California, Merced

8:00 a.m.
QuasiNewton Methods for InfiniteDimensional Inverse Problems Governed by PDEs.
Radoslav G Vuchkov*, University of California, Merced
Cosmin Gheorghita Petra, Lawrence Livermore National Laboratory
Noemi Petra, University of California, Merced
(115849225) 
8:30 a.m.
Image Classification In Synthetic Aperture Radar Using Reconstruction From Learned Inverse Scattering.
Jacqueline Alvarez*, University of California, Merced
Omar DeGuchy, University of California, Merced
Roummel F Marcia, University of California, Merced
(11580098) 
9:00 a.m.
Outlier Detection on Experimental Data Using Gaussian Process Regression with A NonStationary Noise Model.
YuHang Tang*, Lawrence Berkeley National Laboratory
(115868360) 
9:30 a.m.
Efficient optimization of computationally expensive blackbox problems with constraints.
Juliane Mueller*, Lawrence Berkeley National Laboratory
(115890329) 
10:00 a.m.
Predictive models in wound healing for biological control.
Krishnakant Dasika, UC Santa Cruz
Ksenia Zlobina, UC Santa Cruz
Jianhong Chen, UC Santa Cruz
Marcella Gomez*, UC Santa Cruz
(115892332) 
10:30 a.m.
Modeling and simulations of porous marine aggregates.
Francois Blanchette*, UC Merced
(115876252)

8:00 a.m.

Sunday May 3, 2020, 8:30 a.m.10:50 a.m.
Special Session on ArtinSchelter regular algebras and related topics, III
Room 109, Science 2 Building
Organizers:
Ellen Kirkman, Wake Forest University kirkman@wfu.edu
James Zhang, University of Washington

8:30 a.m.
Catenarity in Quantum Nilpotent Algebras.
K. R. Goodearl*, University of California at Santa Barbara
S. Launois, University of Kent at Canterbury
(115816115) 
9:00 a.m.
Cancellation of Morita and Skew Types.
Xin Tang*, Math & Computer Science, Fayetteville State University
James J. Zhang, Dept. of Mathematics, University of Washington
Xiangui Zhao, Dept. of Mathematics, Huizhou University
(11581652) 
9:30 a.m.
Families of representations determined by hypergraphs.
Birge HuisgenZimmermann*, University of California at Santa Barbara
Ken Goodearl, University of California at Santa Barbara
(115816112) 
10:00 a.m.
Noether's degree bound in the exterior algebra.
Francesca Gandini*, Kalamazoo College
(115813149) 
10:30 a.m.
The BrownGoodearl conjecture for weak Hopf algebras.
Daniel Rogalski*, UCSD
Robert Won, University of Washington
James Zhang, University of Washington
(115816266)

8:30 a.m.

Sunday May 3, 2020, 8:30 a.m.10:50 a.m.
Special Session on Complexity in LowDimensional Topology, II
Room 108, Science 2 Building
Organizers:
Jennifer Schultens, University of California, Davis jcs@math.ucdavis.edu
Eric Sedgwick, DePaul University

8:30 a.m.
Separability of double cosets and conjugacy classes in nmanifold groups.
Emily Hamilton*, California Polytechnic State University, San Luis Obispo
(115857109) 
9:00 a.m.
Strongly aperiodic subshifts of finite type on hyperbolic groups.
David B Cohen, Google
Chaim GoodmanStrauss, University of Arkansas
Yo'av Rieck*, University of Arkansas
(115820323) 
9:30 a.m.
Concordance crosscut number and rational Witt classes.
Stanislav Jabuka*, University of Nevada, Reno
(115857277) 
10:00 a.m.
Link Crossing Number is NPhard.
Arnaud de Mesmay*, CNRS, LIGM, Université Gustave Eiffel, France
Marcus Schaefer, DePaul University
Eric Sedgwick, dePaul University
(11586845) 
10:30 a.m.
An algorithm to decide if a link is alternating.
Joshua A. Howie*, University of California, Davis
(115857267)

8:30 a.m.

Sunday May 3, 2020, 8:30 a.m.10:50 a.m.
Special Session on Math Circle Games and Puzzles that Teach Deep Mathematics, III
Room 207, Science 2 Building
Organizers:
Maria Nogin, California State University, Fresno mnogin@csufresno.edu
Agnes Tuska, California State University, Fresno

8:30 a.m.
Discussion 
9:00 a.m.
Playing with representations at the legs of Dienes.
Agnes Tuska*, Department of Mathematics, California State University, Fresno
(115897245) 
9:30 a.m.
The Shortest Distance Between Three Points.
Peter Tannenbaum*, Santa Barbara, CA
(11589722) 
10:00 a.m.
Step out of your comfort zone  Wythoff's game is action.
Péter Juhász*, Alfréd Rényi Institute of Mathematics
(115897139) 
10:30 a.m.
Discussion

8:30 a.m.

Sunday May 3, 2020, 8:30 a.m.10:50 a.m.
Special Session on Methods in NonSemisimple Representation Categories, III
Room 309, Science 2 Building
Organizers:
Eric Friedlander, University of Southern California, Los Angeles
Julia Pevtsova, University of Washington, Seattle
Paul Sobaje, Georgia Southern University, Statesboro psobaje@georgiasouthern.edu

8:30 a.m.
Cohomology for Drinfeld doubles of arbitrary finite group schemes.
Cris Negron*, University of North Carolina Chapel Hill
(11582028) 
9:00 a.m.
Homological residue fields and tensor triangulated fields.
James Cunningham Cameron*, University of California Los Angeles
(115818297) 
9:30 a.m.
Functorial structures in the representation theory of finite groups.
Robert Boltje*, University of California, Santa Cruz
(115820204) 
10:00 a.m.
A skeintheoretic $A_{q,t}$ algebra.
Nicolle Gonzalez*, UCLA
Matt Hogancamp, Northeastern University
(115818347) 
10:30 a.m.
Examples of symmetric tensor categories.
Victor Ostrik*, University of Oregon and MSRI
(11581839)

8:30 a.m.

Sunday May 3, 2020, 8:30 a.m.10:50 a.m.
Special Session on Numerical Semigroups and Applications, III
Room 180, Engineering East Building
Organizers:
Elie Alhajjar, West Point Military Academy
Christopher O'Neill, San Diego State University cdoneill@sdsu.edu

8:30 a.m.
Invariants of quotients of a numerical semigroup.
Ayomikun Adeniran*, Texas A&M University, College Station, TX
S. Butler, Iowa State University, Ames, IA
C Defant, Princeton University
Y Gao, Massachusetts Institute of Technology
P. E. Harris, Williams College
C Hettle, Georgia Institute of Technology
Q Liang, Duke University
H Nam, Iowa State University, Ames, IA
A Volk, University of Nebraska, Lincoln
(11581187) 
9:00 a.m.
Otherhalffactoriality on monoids and domains.
Scott T. Chapman, Department of Mathematics and Statistics, Sam Houston State University, Huntsville TX 77341
Jim Coykendall, Department of Mathematical Sciences, Clemson University, Clemson SC 29634
Felix Gotti*, Department of Mathematics, University of Florida, Gainesville FL 32611
William W. Smith, Department of Mathematics, University of North Carolina, Chapel Hill NC 27599
(115813264) 
9:30 a.m.
On the sets of lengths of Puiseux monoids generated by multiple geometric sequences.
Harold Polo*, University of Florida
(11580618) 
10:00 a.m.
On strongly primary monoids and domains.
Alfred Geroldinger*, University of Graz
(11582016)

8:30 a.m.

Sunday May 3, 2020, 9:00 a.m.10:20 a.m.
Special Session on Algebraic geometry in statistics and machine learning, III
Organizers:
Robert Krone, University of California rckrone@ucdavis.edu
Jose Rodriguez, University of Wisconsin
Tingting Tang, Notre Dame University

9:00 a.m.
Phylogenetic cycle network model dimensions.
Robert Krone*, UC Davis
(115814343) 
9:30 a.m.
Machine learning the discriminant locus.
Margaret H Regan*, University of Notre Dame
Jonathan D Hauenstein, University of Notre Dame
Tingting Tang, San Diego State University
Edgar A Bernal, University of Rochester
Dhagash Mehta, The Vanguard Group
(115814263) 
10:00 a.m.
On the central path of semidefinite optimization: degree and worstcase convergence rate.
Ali Mohammad Nezhad*, Department of Mathematics, Purdue University
Saugata Basu, Department of Mathematics, Purdue University
(115890256)

9:00 a.m.

Sunday May 3, 2020, 9:00 a.m.10:20 a.m.
Special Session on Algorithms in the study of hyperbolic 3manifolds, III
Room 107, Science 2 Building
Organizers:
Robert Haraway, III, Oklahoma State University
Maria Trnkova, University of California, Davis mtrnkova@math.ucdavis.edu

9:00 a.m.
Algorithms for Computing the Cheeger Constants of Hyperbolic Manifolds.
Brian Benson*, University of California, Riverside
(115858328) 
9:30 a.m.
Programming Sage to Compute Cheeger Constants.
Jeffrey S. Meyer*, California State University, San Bernardino
Brian Benson, University of California, Riverside
(115853367) 
10:00 a.m.
When are two manifolds the same?
D. B. McReynolds*, Purdue University
(115857216)

9:00 a.m.

Sunday May 3, 2020, 9:00 a.m.10:50 a.m.
Special Session on Combinatorics Arising from Representations (associated with the Invited Address by Sami Assaf), III
Room 209, Science 2 Building
Organizers:
Sami Assaf, University of Southern California shassaf@usc.edu
Nicolle Gonzalez, University of California, Los Angeles
Brendan Pawloski, University of Southern California

9:00 a.m.
Single and the double dimer models in enumerative geometry.
Benjamin J Young*, University of Oregon
(115805379) 
9:30 a.m.
Normal Subgroups of Reflection Groups.
Carlos E Arreche, University of Texas at Dallas
Nathan Williams*, University of Texas at Dallas
(115805151) 
10:00 a.m.
The homology of subposets of subword order.
Sheila Sundaram*, Pierrepont School, Westport, CT
(115805211) 
10:30 a.m.
Harmonic differential forms for pseudoreflection groups.
Joshua P Swanson*, University of California, San Diego
Nolan R Wallach, University of California, San Diego
(11580559)

9:00 a.m.

Sunday May 3, 2020, 9:00 a.m.10:50 a.m.
Special Session on Combinatorics of Reduced Decompositions of eEements of Coxeter Groups and Related Topics, III
Room 141, Science 1 Building
Organizers:
Samantha Dahlberg, Arizona State University sdahlber@asu.edu
Jennifer Elder, Arizona State University

9:00 a.m.
The Coxeter graph of a permutation as a ranked poset.
Sami Assaf*, University of Southern California
(11580580) 
9:30 a.m.
Reduced words arising from convex subheaps.
Richard M. Green*, University of Colorado Boulder
(115805153) 
10:00 a.m.
(Almost) symmetries of sorting networks.
Zachary Hamaker*, University of Florida
(115805147) 
10:30 a.m.
Diameters of graphs of reduced words for some permutation avoidance classes.
Samantha Dahlberg*, Arizona State University
Younghwan Kim, Arizona State University
(115805350)

9:00 a.m.

Sunday May 3, 2020, 9:00 a.m.11:40 a.m.
Contributed Paper Session, II

9:00 a.m.
The Role of Activation Functions in Deep Learning Architectures.
Gobind S. Puniani*, California State University, Fresno
Manuel Chacón, California State University, Fresno
Mario Banuelos, California State University, Fresno
(115868295) 
9:15 a.m.
Number Structures of Quantum Gravity Fields.
Zhian Luan*, China Petroleum University (HD)
(115811307) 
9:30 a.m.
Some Interesting Observations with respect to Collatz Conjecture.
Santanu Chakraborty*, University of Texas Rio Grande Valley
(115811315) 
9:45 a.m.
Multiscale computational model of biofilm in porous media: from images to finite element analysis to the outlook beyond DNS.
Malgorzata Peszynska*, Oregon State University
(115865338) 
10:00 a.m.
Some Infinite Compositions of Holomorphic Functions.
Kourosh Tavakoli*, Oklahoma City University
(115830357) 
10:15 a.m.
Mathematical and Physical Analysis of a Violin Note Using Computational Simulations.
Alexis Chung*, CRGNJ
Richard Kyung, CRGNJ
(115868363) 
10:30 a.m.
A Study on the Prediction of Economic Indicators Using Mathematical and Computational Statistics.
Alex Eugene Han*, CRGNJ
Richard Kyung, CRGNJ
(115868365) 
10:45 a.m.
Study on the Forecasting of Stock Market Using Statistical and Computational Analysis.
Jewon Yoo*, CRGNJ
Richard Kyung, CRGNJ
(115868372) 
11:00 a.m.
Study on the Efficient Algorithms to Reduce Noise Levels Using the Proposed Filters and Window Functions.
Dongeon Lee*, CRGNJ
Richard Kyung, CRGNJ
(115868374) 
11:15 a.m.
Study on the Spinning Maple Seed Inspired Turbine Blades Using Mechanical and Computational Analysis.
Yoonha Lee*, Hawaii Preparatory Academy
(115870380) 
11:30 a.m.
Study on a New Scheme to Enhance the Quality of Bioimage Using Inverse Fourier Transformation(IFT).
Youngseo Yoon*, Oklahoma School of Science and Mathematics
Amanda Kyung, NVRHS
(115815381)

9:00 a.m.

Sunday May 3, 2020, 11:10 a.m.12:00 p.m.
Invited Address
Mathematical methods in evolutionary dynamics.
Room 121, McLane Hall
Natalia L. Komarova*, University of California, Irvine
(115892165) 
Sunday May 3, 2020, 2:00 p.m.4:10 p.m.
Special Session on Algorithms in the study of hyperbolic 3manifolds, IV
Room 107, Science 2 Building
Organizers:
Robert Haraway, III, Oklahoma State University
Maria Trnkova, University of California, Davis mtrnkova@math.ucdavis.edu

4:30 a.m.
A Distance for Circular Heegaard Splittings.
Kevin Lamb*, University of the Pacific
Patrick Weed, UC Davis
(115857230) 
2:00 p.m.
The Thurston norm via spun normal surfaces.
D. Cooper, UC Santa Barbara
S. Tillmann, University of Sydney
W. Worden*, Rice University
(115857249) 
3:00 p.m.
Stein property of complexhyperbolic Kleinian groups.
Subhadip Dey*, University of California, Davis
Michael Kapovich, University of California, Davis
(115820274) 
3:30 p.m.
Pachner moves on geometric triangulations of constant curvature manifolds.
Tejas Kalelkar*, Indian Institute of Science Education and Research Pune
Advait Phanse, Indian Institute of Science Education and Research Pune
(115857101)

4:30 a.m.

Sunday May 3, 2020, 2:00 p.m.3:50 p.m.
Special Session on Combinatorics Arising from Representations (associated with the Invited Address by Sami Assaf), IV
Organizers:
Sami Assaf, University of Southern California shassaf@usc.edu
Nicolle Gonzalez, University of California, Los Angeles
Brendan Pawloski, University of Southern California

2:00 p.m.
Representation theoretic faces of noncommutative symmetric functions.
Farid Aliniaeifard, The University of British Columbia
Nathaniel Thiem*, University of Colorado Boulder
(115805247) 
2:30 p.m.
Recursions for rational $q,t$Catalan numbers.
Eugene Gorksy, UC Davis
Mazin Mikhail, Kansas State University
Vazirani Monica*, UC Davis
(115805299) 
3:00 p.m.
Superpolynomials of torus links.
Matthew Hogancamp*, Northeastern University
Anton Mellit, University of Vienna
(115805352) 
3:30 p.m.
Discussion

2:00 p.m.

Sunday May 3, 2020, 2:00 p.m.3:20 p.m.
Special Session on DG Methods in Commutative Algebra and Representation Theory, IV
Room 307, Science 2 Building
Organizers:
Benjamin Briggs, University of Utah
Janina Letz, University of Utah letz@math.utah.edu
Josh Pollitz, University of Utah

2:00 p.m.
DGStructures for Fiber Products.
Hugh Roberts Geller*, Clemson University
(115813120) 
2:30 p.m.
Generators of Koszul homology.
Rachel N. Diethorn*, Syracuse University
(115813183) 
3:00 p.m.
Annihilator of Koszul Homology.
Janet Striuli*, Fairfield University/ NSF
Claudia Miller, Syracuse University
Hamidreza Rahmati, University of LincolnNebraska
(115813273)

2:00 p.m.

Sunday May 3, 2020, 2:00 p.m.4:20 p.m.
Special Session on How to Solve It? Heuristics and Inquiry Based Learning, IV
Room 308, Science 2 Building
Organizers:
Mario Banuelos, California State University, Fresno
Andrew G. Benedek, Research Centre for the Humanities, Hungary
Agnes Tuska, California State University, Fresno agnest@csufresno.edu

2:00 p.m.
Unusual chessboard tasks for gifted learners.
Péter Juhász*, Alfréd Rényi Institute of Mathematics
(115897132) 
3:00 p.m.
Food For Thought: Exploring Euclidean and nonEuclidean Geometries.
Jennifer E Clinkenbeard*, California State University Monterey Bay
(115897106) 
3:30 p.m.
George Polya's influence on mathematics competitions in the USA.
Agnes Tuska*, Department of Mathematics, California State University, Fresno
(115801364) 
4:00 p.m.
Discussion

2:00 p.m.

Sunday May 3, 2020, 2:00 p.m.4:20 p.m.
Special Session on Inverse Problems, IV
Room 143, Science 1 Building
Organizers:
Hanna Makaruk, Los Alamos National Laboratory
Robert Owczarek, University of New Mexico, Albuquerque and University of New Mexico, Los Alamos rowczare@unm.edu

2:00 p.m.
Groupoid category how is distinct from a group category.
Zbigniew Oziewicz*, Universidad Nacional Autonoma de Mexico, Facultad de Estudios Superiores Cuautitlan
(115818175) 
2:30 p.m.
The Hypercube Semigroup.
Gregory P. Wene*, San Antonio
(11581797) 
3:00 p.m.
Orderable quandles.
Valentina Harizanov*, George Washington University
(115803102) 
3:30 p.m.
Computability theoretic complexity of properties of structures.
Dario Verta*, George Washington University
(115803220) 
4:00 p.m.
Increasing stability in a partial data inverse boundary value problem for biharmonic operators.
Boya Liu*, University of California, Irvine
(1158357)

2:00 p.m.

Sunday May 3, 2020, 2:00 p.m.4:20 p.m.
Special Session on Math Circle Games and Puzzles that Teach Deep Mathematics, IV
Room 207, Science 2 Building
Organizers:
Maria Nogin, California State University, Fresno mnogin@csufresno.edu
Agnes Tuska, California State University, Fresno

2:00 p.m.
Twists and Turns: Learning Permutations through Rubik's Cubes.
Cyane Gonzalez*, California State University, Fresno
Laura Marroquin, California State University, Fresno
Maria S. Nogin, California State University, Fresno
Taylor W. Yates, California State University, Fresno
(115820285) 
2:30 p.m.
Chomp and Nim in K12 Math Circles.
Jack Luong, California State University, Fresno
Maria Diaz*, California State University, Fresno
(115897298) 
3:00 p.m.
Micro Robots in the Classroom.
Adam Glesser*, California State University, Fullerton
Matt Rathbun, California State University, Fullerton
(115897218) 
3:30 p.m.
What P12 Preservice Teacher Coursework and Math Camps Tell Us about Lowfloor, HighCeiling Tasks.
Bridget Kinsella Druken*, California State University, Fullerton
(115897376) 
4:00 p.m.
Discussion

2:00 p.m.

Sunday May 3, 2020, 2:00 p.m.4:50 p.m.
Special Session on Mathematical Methods in Evolution and Medicine (associated with the Invited Address by Natalia Komarova), IV
Room 210, Science 2 Building
Organizers:
Natalia L. Komarova,
Jesse Kreger, University of California, Irvine kregerj@uci.edu

2:00 p.m.
Predictive Mathematical Models of Hormone Treatment for Prostate Cancer.
Yang Kuang*, School of Mathematical and Statistical Sciences, Arizona State University
(11589263) 
3:00 p.m.
Coupled Mechanochemical Multiscale Model to Study the Tissue Development.
Weitao Chen*, University of California, Riverside
(115892180) 
3:30 p.m.
Inference of stem cell fate and gene regulatory dynamics from singlecell data.
Adam L. MacLean*, University of Southern California
(11583758) 
4:00 p.m.
Numerical simulation of the islet encapsulation device using fluid poroelastic structure interaction model.
Yifan Wang*, University of California Berkeley, Berkeley, CA
Suncica Canic, University of California Berkeley
(115865234) 
4:30 p.m.
PDE Models of Multilevel Selection: The Evolution of Cooperation and The Shadow of LowerLevel Selection.
Daniel B Cooney*, Princeton University
(11589233)

2:00 p.m.

Sunday May 3, 2020, 2:00 p.m.4:20 p.m.
Special Session on Scientific Computing, II
Room 145, Science 1 Building
Organizers:
Changho Kim, University of California, Merced ckim103@ucmerced.edu
Roummel Marcia, University of California, Merced

2:30 p.m.
Dynamically orthogonal tensor methods for highdimensional nonlinear PDEs.
Daniele Venturi*, Department of Applied Mathematics, University of California Santa Cruz
(11586562) 
3:00 p.m.
Adaptive Reduced Basis Method for Anisotropic Highdimensional Stochastic PDEs.
Heyrim Cho*, University of California, Riverside
Howard Elman, University of Maryland, College Park
(115865221) 
3:30 p.m.
Fourth order and energy stable FDTD method for Maxwell's equations in metamaterials.
Camille Carvalho*, University of California, Merced
(115865271) 
4:00 p.m.
A Deferred Correction Coupling Strategy for Cosmological Simulations.
Jean M. Sexton*, Lawrence Berkeley National Laboratory
(115865339)

2:30 p.m.

Sunday May 3, 2020, 2:30 p.m.3:50 p.m.
Special Session on Numerical Semigroups and Applications, IV
Room 180, Engineering East Building
Organizers:
Elie Alhajjar, West Point Military Academy
Christopher O'Neill, San Diego State University cdoneill@sdsu.edu

2:30 p.m.
Multiplicative factorization in numerical semigroups.
Nicholas R Baeth*, Franklin & Marshall College
(11582066) 
3:00 p.m.
Elasticity and Factorization in Numerical Semigroup Rings.
Paul Baginski*, Fairfield University
(115812163) 
3:30 p.m.
Numerical Semigroups and the Game of Sylver Coinage.
Kurt D Herzinger*, U.S. Air Force Academy
(115820182)

2:30 p.m.

Sunday May 3, 2020, 3:00 p.m.4:50 p.m.
Special Session on Complexity in LowDimensional Topology, III
Room 108, Science 2 Building
Organizers:
Jennifer Schultens, University of California, Davis jcs@math.ucdavis.edu
Eric Sedgwick, DePaul University

3:00 p.m.
Computing Heegaard Genus is NPHard.
David Bachman*, Pitzer College
Ryan DerbyTalbot, Fulbright University Vietnam
Eric Sedgwick, DePau University
(115857351) 
3:30 p.m.
Meridional rank and bridge number of knotted surfaces.
Puttipong Pongtanapaisan*, University of Iowa
Jason Joseph, University of Georgia
(115857278) 
4:00 p.m.
Thin position through trisections of 4manifolds.
Jose Roman Aranda Cuevas*, University of Iowa
(11585772) 
4:30 p.m.
Spun triangulations of closed hyperbolic 3manifolds.
Feng Luo, Rutgers University
Matthias Goerner, Pixar Animation Studios
Maria Trnkova*, UC Davis
(115857213)

3:00 p.m.
Inquiries: meet@ams.org