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math.ST2026
A Tutorial on Bregman Projection in Statistics
Gunhee Cho, Jae Kwang Kim, Yumou Qiu
A single geometric operation -- projecting a reference onto a constrained family under a Bregman divergence -- underlies a striking range of statistical methods. This tutorial deve…
math.CV2026
Complex Analysis and Riemann Surfaces: A Graduate Path to Algebraic Geometry
Gunhee Cho, Bae Dongsong, Junhyuk Boo +8
This book develops a computation-driven route from classical complex analysis to compact Riemann surfaces and algebraic geometry. It begins with holomorphic and meromorphic functio…