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Colloquium – Shuyu Sun (King Abdullah University of Science and Technology)

Title: Bound-Preserving and Phase-wise Conservative Schemes for Incompressible Two-Phase Flow in Porous Media with Multiple Capillary Pressure Functions Abstract: Two or multiple phases commonly occur as fluid mixture in petroleum industry, where oil, gas and water are often produced and transported together. As a result, petroleum reservoir engineers spent great efforts in the development and

Long Chen’s Colloquium

206 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Bob Pego’s Colloquium

206 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Xin Zhang’s Colloquium

206 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Francis Su’s Colloquium

Colloquium Thursday, April 20, 2023 The presentation will begin at 11:00 AM in 301 Gordon Palmer Hall. Francis Su Harvey Mudd College Title: Sperner's Lemma: Old and New Abstract: Sperner’s Lemma is perhaps best known as a combinatorial equivalent of the Brouwer fixed point theorem. In this talk, I’ll survey old and new proofs of

Uly Alvarez’s Colloquium

346 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Title: Cluster Algebras and Quiver Grassmannians Abstract: Since their conception, cluster algebras have made appearances in different fields such as algebra, combinatorics, geometry, and topology. For example, a class of objects from representation theory called quiver Grassmannians have been useful in describing the generators of cluster algebras using the Euler characteristic. This has motivated the

Abba Ramadan’s Colloquium

346 Gordon Palmer Hall 505 Hackberry Lane, Tuscaloosa, AL, United States

Title: Stability of Nonlinear Waves in Hamiltonian PDE Abstract: Nonlinear dispersive wave equations arise as reduced mathematical models from governing equations of mathematical physics, such as the Navier-Stokes and Maxwell equations. These reduced models combine the leading-order balance between nonlinear and dispersive effects present in wave propagation. The existence and stability of coherent structures such