******************* Geometry and Topology
October 2025

Seminar on Algebra and Number Theory
The Ordered Multiplicity Inverse Eigenvalue Sequence Problem, Powers Of Graphs, And More!
Speaker: Prof. Franklin H. J. Kenter (U.S. Naval Academy)

Seminar on Geometry and Topology
Optimality conditions at infinity in semialgebraic vector optimization
Speaker: Jiao Liguo (Northeast Normal University, China)

Seminar on Geometry and Topology
The Christoffel function: Some applications, connections and extensions
Speaker: Jean Bernard Lasserre (LAAS-CNRS University of Toulouse, France)

Seminar on Geometry and Topology
Deciding non-negativity of generic polynomials based on Sturm’s theorem
Speaker: Vũ Trung Hiếu (RIKEN Center for Advanced Intelligence Project, University of Tokyo, Japan)

Xêmina Phòng Toán rời rạc, Xác suất Thống kê
Non-Convergence and Convergence Rates of SGD methods in Deep Learning.
Người báo cáo: Đỗ Minh Thắng (Viện Toán học)

Seminar on Geometry and Topology
A bounded degree hierarchy with SOS relaxations for classes of polynomial optimization problems
Speaker: Jae Hyoung Lee (Pukyong National University, Korea)

Xêmina Phòng Tối ưu và Tính toán khoa học
Second-order optimality conditions for mathematical programming problems and optimal control problems
Người báo cáo: Bùi Trọng Kiên (Viện Toán học)

Seminar on Algebra and Number Theory
Goldbach Representations of an integer as a Sum of many primes
Speaker: Dr. Nguyen Thi Thu (PTIT)

Xêmina Phòng Toán rời rạc, Xác suất Thống kê
An improvement on the Louvain algorithm using random walks
Người báo cáo: Đỗ Duy Hiếu, Viện Toán học

Xêmina Phòng Tối ưu và Tính toán khoa học
Monotonic complementary problem
Người báo cáo: Đỗ Thị Thùy (Viện Toán học)

Seminar on Algebra and Number Theory
On curves of almost minimal degree
Speaker: Prof. Euisung Park (Korea University)

Seminar on Algebra and Number Theory
Extremal ideals and applications to symbolic powers and integral closure
Speaker Dr. Trung Chau (Chennai Mathematical Institute)

Xêmina Phòng Giải tích và Phương trình vi phân
Normalized solutions for Schrodinger equations with mixed power nonlinearities
Người báo cáo: TS. Lê Thành Trung (Đại học Kinh tế TP Hồ Chí Minh)

Seminar on Algebra and Number Theory
Persistence probabilities for random walks and related processes
Speaker: Prof. Kilian Raschel (Laboratoire Angevin de REcherche en MAthématiques)

Seminar on Algebraic Geometry
Block seminar on Harmonic Bundles II

Seminar on Algebraic Geometry
Block seminar on Harmonic Bundles II

October 2025
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