Defect theorems with compatibility relations Vesa HalavaTero HarjuTomi Kärki Research article 18 October 2007 Pages: 1 - 24
Limitations on the size of semigroups of matrices Heydar RadjaviPeter Rosenthal RESEARCH ARTICLE 06 September 2007 Pages: 25 - 31
Associativity of the ∇-operation on bands in rings Karin Cvetko-VahJonathan Leech Research Article 15 September 2007 Pages: 32 - 50
Frequency modules and nonexistence of quasi-periodic solutions of nonlinear evolution equations Amin BoumenirNguyen Van MinhVu Kim Tuan Research article 06 October 2007 Pages: 58 - 70
Naturally ordered regular semigroups with an inverse monoid transversal T. S. BlythM. H. Almeida Santos Research Article 06 September 2007 Pages: 71 - 86
Some conditions related to the exactness of Rees-Sushkevich varieties S. I. KublanovskyEdmond W. H. LeeNorman R. Reilly Research Article 06 September 2007 Pages: 87 - 94
Strongly and weakly almost periodic linear maps on semigroup algebras Ali Ghaffari Research article 05 September 2007 Pages: 95 - 106
Regular congruences on an E-inversive semigroup Yanfeng LuoXingkui FanXiaoling Li Research article 13 October 2007 Pages: 107 - 123
Polynomials hardly commuting with increasing bijections V. KannanB. SankararaoS. Niketa Salvi Research article 20 November 2007 Pages: 124 - 132
A note on sensitivity of semigroup actions Eduard KontorovichMichael Megrelishvili Research article 13 November 2007 Pages: 133 - 141
Analytic solutions of Volterra equations via semigroups Tomáš Bárta Research article 18 October 2007 Pages: 142 - 148
Opial type inequalities for cosine and sine operator functions George A. Anastassiou Research article 17 October 2007 Pages: 149 - 158
Two-letter group codes that preserve aperiodicity of inverse finite automata Jean-Camille BirgetStuart W. Margolis Research article 18 October 2007 Pages: 159 - 168
Classification of monoids by injectivities I. C-injectivity Xia ZhangUlrich KnauerYuqun Chen Research article 16 October 2007 Pages: 169 - 176
Classification of monoids by injectivities II. CC-injectivity Xia ZhangUlrich KnauerYuqun Chen Research article 16 October 2007 Pages: 177 - 184
