Abelian p-groups with minimal full inertia Brendan GoldsmithLuigi Salce OriginalPaper Open access 12 August 2021 Pages: 1 - 13
A ternary Diophantine inequality with prime numbers of a special form Jinjiang LiFei XueMin Zhang OriginalPaper 10 August 2021 Pages: 14 - 31
A tight Hermite–Hadamard inequality and a generic method for comparison between residuals of inequalities with convex functions Milan MerkleZoran D. Mitrović OriginalPaper 25 August 2021 Pages: 32 - 44
Some q-congruences arising from certain identities Chen WangHe-Xia Ni OriginalPaper 02 August 2021 Pages: 45 - 51
Representation of zero-sum invariants by sets of zero-sum sequences over a finite abelian group Weidong GaoSiao HongPingping Zhao OriginalPaper 20 August 2021 Pages: 52 - 71
A note on the Lebesgue–Ljunggren–Nagell equation \(ax^2+b^{2m}=4y^n\) Xiaoyan GuoDeli Lei OriginalPaper 25 March 2022 Pages: 72 - 80
A description via second degree character of a family of quasi-symmetric forms Imed Ben SalahMohamed Khalfallah OriginalPaper 21 August 2021 Pages: 81 - 108
On a solvable system of p difference equations of higher order Yacine HalimAmira KhelifaAbderrahmane Bouchair OriginalPaper 20 August 2021 Pages: 109 - 127
Sequential warped product submanifolds having holomorphic, totally real and pointwise slant factors Bayram Şahin OriginalPaper 20 August 2021 Pages: 128 - 139
On a problem of partitions of \(\mathbb {Z}_{m}\) with the same representation functions Cui-Fang SunMeng-Chi Xiong OriginalPaper 17 August 2021 Pages: 140 - 147
The extension of the \(D(-k)\)-pair \(\{k,k+1\}\) to a quadruple Nikola AdžagaAlan FilipinYasutsugu Fujita OriginalPaper 21 August 2021 Pages: 148 - 163
On some relations between ideals of nowhere dense sets in topologies on positive integers Andrzej NowikPaulina Szyszkowska OriginalPaper Open access 30 August 2021 Pages: 164 - 170
Semigroups strongly Morita equivalent to monoids Alvin Lepik OriginalPaper 29 August 2021 Pages: 171 - 176
On certain properties of partitions of \(\mathbb {Z}_m\) with the same representation function, II Shi-Qiang Chen OriginalPaper 04 September 2021 Pages: 177 - 187
Markoff–Rosenberger triples and generalized Lucas sequences Hayder R. HashimLászló SzalaySzabolcs Tengely OriginalPaper Open access 24 November 2021 Pages: 188 - 202
Generalizations of theorems of J. Aczél and R. Ger and T. Kochanek Marcin Balcerowski OriginalPaper 16 January 2022 Pages: 203 - 209
On positive integers n with \(\sigma _l (2n+1)<\sigma _l (2n)\) Rui-Jing WangYong-Gao Chen OriginalPaper 05 August 2021 Pages: 210 - 224
Correction to: On positive integers n with σl(2n + 1) < σl(2n) Rui-Jing WangYong-Gao Chen Correction 24 November 2021 Pages: 225 - 225
