3 papers
q-bio.PE2026
Genealogical Expansions of Positive Fredholm Operators via a Reference-Point Method
Ryo Oizumi, Kensaku Kinjo, Yuki Chino
We study positive Fredholm integral operators that arise as next-generation operators in structured population models. The main problem is to represent the dominant eigenvalue and…
math.FA2026
An Explicit Representation of the Dominant Eigenstructure for Positive Operators on Banach Lattices
Yuki Chino, Kensaku Kinjo, Ryo Oizumi
The Riesz projection and the corresponding eigenfunction of a positive operator satisfying the Doeblin condition are explicitly constructed using the partial Bell polynomials. Whil…
stat.ME2024
Educational Effects in Mathematics: Conditional Average Treatment Effect depending on the Number of Treatments
Tomoko Nagai, Takayuki Okuda, Tomoya Nakamura +6
This study examines the educational effect of the Academic Support Center at Kogakuin University. Following the initial assessment, it was suggested that group bias had led to an u…