Tin tức nổi bật
Hội thảo sắp diễn ra
18/09/24, Hội nghị, hội thảo:
THE 3RD VIETNAM - KOREA JOINT WORKSHOP ON SELECTED TOPICS IN MATHEMATICS
18/12/24, Hội nghị, hội thảo:
International conference on commutative algebra to the memory of Jürgen Herzog
Xuất bản mới
Cấn Văn Hảo,
Naoki Kubota,
Shuta Nakajima,
Lipschitz-Type Estimate for the Frog Model with Bernoulli Initial Configuration,
Mathematical Physics, Analysis and Geometry, Volume 28, article number 1, (2025)
(SCI-E, Scopus)
.
Đoàn Thái Sơn,
Phan Thị Hương,
Peter E. Kloeden,
Theta-scheme for solving Caputo fractional differential equations,
Electronic Journal of Differential Equations, Vol. 2025 (2025), No. 05, pp. 1-13
(SCI-E, Scopus)
.
Đinh Sĩ Tiệp,
Guo Feng,
Nguyễn Hồng Đức,
Phạm Tiến Sơn,
Computation of the Łojasiewicz exponents of real bivariate analytic functions,
Manuscripta Mathematica . Volume 176, 1 (2025)
(SCI-E, Scopus)
.
On the Paley graph of a quadratic character
Người báo cáo: Nguyễn Duy Tân
Time: 9:30 - 11:00, Jan 11, 2023.
Venue: Room 612, A6, Institute of Mathematics, VAST
Abstract: Classically, for each prime number p, we can construct the corresponding Paley graph using quadratic and non-quadratic residues modulo p. In this talk, we discuss generalized Paley graphs. These are graphs that are associated with a general quadratic character. We will provide some of their basic properties. In particular, we describe their spectrum explicitly and use them to construct some new families of Ramanujan graphs. We will also provide an effective upper bound for the Cheeger number of these generalized Paley graphs.