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-ph2025
Cauchy-Jacobi orthogonal polynomials and the discrete CKP equation
Shi-Hao Li, Satoshi Tsujimoto, Ryoto Watanabe +1
This paper intends to construct discrete spectral transformations for Cauchy-Jacobi orthogonal polynomials, and find its corresponding discrete integrable systems. It turns out tha…