Scientiae Mathematicae Japonicae

Vol. 73, No. 2&3 Whole Number 266
May 2011

CONTENTS

Salvadori L., Visentin F.
- On the problem of total stability for periodic differential systems
- 105- 111
Kehayopulu N., Tsingelis M.
- On ordered semigroups which are complete chains of semigroups
- 113- 115
Yon Y.H., Kim K.H.
- Multipliers in subtraction algebras
- 117- 123
Fujii J.I.
- An external version of the Jensen operator inequality
- 125- 128
Lee D.J., Han S.H.
- Market entry strategy by vertically integrated firms: direct entry vs. spin-off
- 129- 142
Ton T.V., Yamamoto Y., Du N.H., Yagi A.
- Asymptotic behaviour of solutions to stochastic phase transition model
- 143- 156
Katagiri H., Mermri E.B., Sakawa M.
- Possibility-based probability maximization models for fuzzy random minimum spanning tree problems
- 157- 169
Lee P.D., Spearman B.K.
- The factorization of $x^5+ax^m+1$
- 171- 174
Thomys J.
- Derivations of weak BCC-algebras
- 175- 181
Mi\'{c}i\'{c} J., Pavi\'{c} Z., Pe\v{c}ari\'{c} J.
- Jensen type inequalities on quasi-arithmetic operator means
- 183- 192