Vol. 113 No. 2 (2026)

Published: 2026-04-01

Articles

Enumeration and divisibility of higher dimensional king walks

Ji-Cai Liu, Yeong-Nan Yeh
Counter-example to conjectures on complemented zero-divisor graphs of semigroups

Anagh Khiste, Ganesh Tarte, Vinayak Joshi
Ramsey numbers of cycles versus multiple odd wheels

Zhaofa Wang, Yanbo Zhang
On additive complements in the complement of a set of natural numbers

Bhuwanesh Rao Patil, Mohan
Runs in paperfolding sequences

Jeffrey Shallit
Divisibility among power GCD matrices and power LCM matrices

Shaofang Hong
The Fermat quartic \(X^4 + Y^4 = 2^m\) in quadratic number fields

Jay Athipatla
Sums of squares of integers except for a fixed one

Wonjun Chae, Yun-Seong Ji, Kisuk Kim, Kyoungmin Kim, Byeong-Kweon Oh, Jongheun Yoon
The number of parts in a random \(t\)-regular partition

Tapas Bhowmik, Wei-Lun Tsai
An effective version of the primitive element theorem

Sudipa Das, Ravindranathan Thangadurai, Aparna Tripathi
On the primitivity of the trinomial \(xn+ axk + b\) over \(F_q\)

Soufyane Bouguebrine, Rachid Boumahdi
Improved upper bound on Brun's constant under GRH

Lachlan Dunn
Groups having 12 cyclic subgroups

Khyati Sharma, A. Satyanarayana Reddy
Groups with dense transitively normal subgroups

Alessio Russo
The finite basis problem for free tree monoids

Yan Feng Luo, Zhen Feng Jin, Wen Ting Zhang
A criterion for ensuring positivity of Fourier transforms

Renato Spigler
\(X\)-Rokhlin property for actions of countable discrete groups

Xiaochun Fang, Xin Cao
A tractable symmetric multivariate logistic distribution with bounded score function

Paul G. Blackwell
A matroid property of filling curves

Ingrid Irmer
Existence and deformability of topological Morse functions

Ingrid Irmer

Abstracts of PhD Theses

New explicit and asymptotic results in sieve theory

Daniel R. Johnston
Spatial statistical inference from a decision-theoretic viewpoint with application to non-Gaussian environmental data

Alan R. Pearse