DMS Graduate Student Seminar
Apr 23, 2025 03:00 PM
ACLC 010
Speaker: Dr. Phuong Hoang (Auburn University)
Title: Domain decomposition-based exponential time differencing methods for stiff evolution problems
Abstract: Exponential integrators, among them the Exponential Time Differencing (ETD) methods, have been widely used for solving stiff, nonlinear equations due to their accuracy, stability and ability of maintaining exponential behavior. The cost of these methods is dominated by the computing of matrix exponentials and their products with vectors. In this talk, we will use domain decomposition methods to enhance the efficiency (in terms of computational cost) of ETD schemes. In particular, we will present localized ETD Runge-Kutta schemes for the rotating shallow water equations and discuss their numerical performance compared to the explicit Runge-Kutta or strong stability preserving Runge-Kutta (SSP-RK) algorithms.
DMS Graduate Student Seminar
Apr 02, 2025 03:00 PM
010 ACLC
Speakers: Melinda Lanius and Elvan Ceyhan (Auburn University)
Title: Mute your mic if you need to cry! Exploring qualitative approaches to data analysis through a study of undergraduates' emergency remote learning experiences.
Abstract: Mathematics Discipline-Based Education Research (Math-DBER) is an interdisciplinary research area that utilizes the fields of Mathematics, Data Science, and Education to investigate the teaching and learning of mathematics. In this interactive talk, we will explore approaches to qualitative data analysis through a study of undergraduates' emergency remote learning experiences. We will employ a by-hand technique called qualitative coding (an education researcher's approach) to a data set and then compare our results to a text analysis (data scientist's approach).
DMS Graduate Student Seminar
Mar 26, 2025 03:00 PM
010 ACLC
Speaker: Dr. Songling Shan (Auburn University)
Title: Some Conjectures in Edge Coloring and Its Variations
Abstract: Let \(G\) be a graph. An edge coloring of \(G\) is an assignment of colors to the edges of \(G\) such that no two adjacent edges share the same color. In this talk, we will explore problems and conjectures related to edge colorings of graphs, as well as several conjectures concerning variations of edge colorings.
DMS Graduate Student Seminar
Nov 20, 2024 03:00 PM
010 ACLC
Speaker: Zulaihat Hassan
Title: Global Existence and long time behavior of classical solutions to chemotaxis models with consumption on \(\mathbb{R}^N\).
Abstract: Chemotaxis refers to the directed movement of particles in response to chemical stimuli in their environment. In this talk, we will introduce chemotaxis models with consumption and discuss the global existence and asymptotic behavior of classical solutions to these models. Additionally, we will present numerical simulations demonstrating how chemotaxis sensitivity influences the spreading speed of biological species.
This is a joint work with Dr. Wenxian Shen and Dr. Yuming Paul Zhang.
DMS Graduate Student Seminar
Nov 13, 2024 03:00 PM
010 ACLC
Dr. Melinda Lanius will lead a panel discussion on Teaching & Scholarship at Teaching-Focused Institutions.
The following are the panelists.
Dr. Nicole Sullivant of Central New Mexico Community College representing community colleges.
Dr. Brittni Akins (née Hall) of Berry College representing liberal arts colleges.
Dr. Stephanie Shepherd of Auburn University (discussing work experience at Commonwealth University-Bloomsburg) representing state-funded primarily undergraduate institutions.
DMS Graduate Student Seminar
Nov 06, 2024 03:00 PM
010 ACLC
Speaker: Nicholas Gaubatz
Title: The usefulness of computer programming in graduate school
DMS Graduate Student Seminar
Oct 30, 2024 03:00 PM
010 ACLC
This seminar will be a panel discussion on job searching. The panelists—Dr. Jennifer Deang from Lockheed Martin Corporation, Dr. Feng Bao from Florida State University, and Dr. Melinda Lanius from Auburn University—will share their insights on the job search process from both industry and academic perspectives. All graduate students are encouraged to attend.
Dr. Jennifer Deang received her Ph.D. in Mathematics from Virginia Tech in 1997. She is a fellow of the Lockheed Martin Corporation. LM fellow is the highest technical rank at Lockheed Martin. She is also an affiliated faculty member of our department.
Dr. Feng Bao received his Ph.D. in Mathematics from Auburn University in 2014. He is currently the Timothy Gannon Endowed Associate Professor in Mathematics at FSU. Dr. Bao received the NSF CAREER award in 2022.
Dr. Melinda Lanius received her Ph.D. in Mathematics University of Illinois at Urbana-Champaign in 2018. She is currently an assistant professor in our department.
DMS Graduate Student Seminar
Oct 23, 2024 03:00 PM
010 ACLC
Speaker: Professor Hal Schenck
Title: Combinatorics and Commutative Algebra
Abstract: This talk will give an overview of the spectacular success of algebraic methods in studying problems in discrete geometry and combinatorics. First, we'll discuss the face vector (number of vertices, edges, etc.) of a convex polytope and recall Euler's famous formula for polytopes of dimension 3. Then, we'll discuss graded rings, focusing on polynomial rings and quotients. Associated with a simplicial polytope P (every face is "like" a triangle) is a graded ring called the Stanley-Reisner ring, which "remembers" everything about P and gives a beautiful algebra/combinatorics dictionary. I will sketch Stanley's solution to a famous conjecture using this machinery and touch on connections between P and objects from algebraic geometry (toric varieties). No prior knowledge of the terms above will be assumed or needed for the talk.
DMS Graduate Student Seminar
Oct 16, 2024 03:00 PM
010 ACLC
Speaker: Rachel Galindo
Title: On graphs with chromatic number and maximum degree both equal to 9
Abstract: An equivalent version of the Borodin-Kostochka Conjecture, due to Cranston and Rabern, says that any graph with \(\chi = \Delta = 9\) contains \(K_3 \lor E_6\) as a subgraph. In this talk we will discuss several results in support of this conjecture, where vertex-criticality and forbidden substructure conditions get us either close or all the way to containing \(K_3 \lor E_6\).
This is joint work with Jessica McDonald.
DMS Graduate Student Seminar
Oct 09, 2024 03:00 PM
010 ACLC
Speaker: Professor Emeritus Frank Uhlig (Auburn)
Title: Hands-on inverted teaching of Lesson Plans 3 - 5, in class study of Matrix Theory and Matrix Computations
From Professor Uhlig: read page 15 with an intro and questions before "class" on Wednesday. This is necessary for inversely taught classes; it is homework for Wednesday!
Especially important is the last questionnaire page. I will have 50 printed in the office (thanks!) before my talk and bring them to ACLC 010 myself.
Of course we will read/look at some of the Lesson Plans as well directly on-line if that is possible.
https://la-education.oucreate.com/teaching-resources/lesson-plans/franks-lesson-plans/
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