Vol. 114 No. 1 (2026)

Published: 2026-08-01

Articles

\(p\)-adic valuation of \(\sigma_k(n)\)

Jun-Jia Zhao
On a problem of Nathanson on nonminimal additive complements

Shi-Qiang Chen, Yuchen Ding
Partitions of natural numbers and their ordered representation functions

Xiao-Hui Yan, Shuang-Shuang Li, Yu-Mei Li
Sums of terms of recurrence sequences and \(S\)-units in the solution sets of norm form equations

Darsana N, S. S. Rout
Polynomial densities and Heilbronn's criterion

Alexis Hibbler, Kevin McGown, Enrique Trevino
Notes on generalised integral polynomial Pell equations

Nguyen Xuan Tho
On properly \theta\)-congruent numbers over real number fields

Sajad Salami, Arman Shamsi Zargar
Galois groups of Apéry-like series modulo primes

Xavier Caruso, Florian Fürnsinn, Daniel Vargas-Montoya, Wadim Zudilin
On the normalisers of all non-\(p\)-nilpotent subgroups in a finite group

Xuan Li, Junxin Wang, Xiuyun Guo
Groups with at most 13 nonpower subgroups

Jiwei Zheng, Wei Zhou, D. E. Taylor
The Reidemeister spectrum of ZM-groups

Marius Tarnauceanu
Groups with only nearly normal or contranormal subgroups
A note on the explicit analytic solution to a nonautonomous abstract evolution equation

Andrew P. Bassom, Phil George Howlett
Multiple solutions for quasilinear Schrodinger equations with nonlinearity sublinear at zero

Jie Shen, Shuai Jiang
A topology for Engel expansions: evaluation and digit coding maps

Min Woong Ahn
Min-phase-isometries on the unit sphere of \(L^1\) spaces

Xujian Huang, Kai Kang, Shuming Wang
Projection algorithms for fixed point problems

Shin-ya Matsushita
Fixed-rotation Minkowski averaging: classification and sharp rates

Yushi Sun, Bo Sun
A slice Cromwell inequality for homogeneous links

Tetsuya Ito
The knot quandles of Suciu's ribbon \(n\)-knots and automorphisms on the free group of rank two

Takuya Sakasai, Kokoro Tanaka
Expected length of the longest common subsequence of multiple strings

Ray Li, William Ren, Yiran Wen

Abstracts of PhD Theses

Bayesian generalised additive model selection

Virginia Xiaojun He