The General PBW Property
Huishi Li

On the Centro-symmetric Solution of a System of Matrix Equations over a Regular Ring with Identity
Qingwen Wang, Haixia Chang and Chunyan Lin

Induced Modules of Semisimple Hopf Algebras
Jun Hu and Yinhuo Zhang

Recognition by Spectrum of L₁₆(2^m)
Maria A. Grechkoseeva, Wujie Shi and Andrey V. Vasilev

On Nilpotent Extensions of Algebras
Adam W. Marczak and Jerzy P?onka

On the Norm of Finite Groups
Junxin Wang and Xiuyun Guo

On Exchange QB_∞-Rings
Huanyin Chen

Direct Summands of ⊕-Supplemented Modules
Nil Orhan, Derya Keskin Tütüncü and Rachid Tribak

On Ideals Generated by Monomials and One Binomial
Margherita Barile

A q-Analogue of the Weyl-Kac Denominator Formulas of Types $\widetilde{F}_{41}$ and $\widetilde{G}_{21}$
Abdukadir Obul

Linear Syzygies from k-Configurations in Pⁿ and the Mapping Cone Constructions
Yong Su Shin

Several Diophantine Equations in Some Rings of Integers of Quadratic Imaginary Fields
Kejian Xu and Yongliang Wang

Quadratic and 2-Crossed Modules of Algebras
Z. Arvasi and E. Ulualan

Abundant Semigroups with Q-adequate Transversals and Some of Their Special Cases
Xiaojiang Guo and K. P. Shum

Band Congruences of t-Archimedean Ordered Semigroups
Niovi Kehayopulu and Michael Tsingelis

Leibniz Central Extension on a Block Lie Algebra
Qing Wang and Shaobin Tan