Volume 7, Number 2, 2021
Contents
Memory of Wataru Takahashi-Naoki Shioji
Kenjiro Yanagi
Refined Hermite-Hadamard inequality and its application
Satoshi Suzuki
ε-subdifferentials and related results for quasiconvex programming
Jong Soo Jung
Some iterative algorithms for constrained convex minimization, generalized mixed equilibrium and fixed point problems
Simeon Reich and Alexander J. Zaslavski
Generic convergence of powers of generalized nonexpansive mappings
Koichiro Naito
Ihara zeta function and cycle fluctuations of random Ramanujan graph generated by p-adic pseudorandom numbers
Ken-Ichi Mitani and Kichi-Suke Saito
A note on relations between skewness and geometrical constants of Banach spacess
Jun Kawabe
The completeness and separability of the Lorentz spaces defined by the Sugeno and Shilkret integrals
Nimit Nimana, Thitima Paeko and Narin Petrot
A relaxed hybrid steepest descent method for solving strongly convex minimization problem via conjugate gradient direction
Yousuke Araya, Kaede Suzuki, Yutaka Saito and Yutaka Kimura
New sufficiency for global optimality and duality of nonlinear multi-objective programming problems via underestimators
Yokohama Publishers
yokohama publishers