2 papers
math.FA2025
Transformation from integral operator with separable kernel to matrix in eigenvalue problem
Soma Hirai, Ryoto Watanabe, Yuki Nishida +1
This paper investigates the eigenvalue problem of integral operators whose kernels can be expressed as a finite sum of pairwise products of single-variable functions, making them s…
math.OC2025
Combinatorial Algorithm for Tropical Linearly Factorized Programming
Yuki Nishida
The tropical semiring is an algebraic system with addition ``'' and multiplication ``''. As well as in conventional algebra, linear programming in the tropical semiring ha…