Scientiae Mathematicae Japonicae

Vol. 70, No. 1 Whole Number 256
July 2009

CONTENTS

Kim K.H.
- On t-level subalgebras of BCK-algebras
- 1- 6
Kim K.H.
- On T-fuzzy ideals in Hilbert algebras
- 7- 15
Hashiriura H.
- A note on the Martin topology of the space of the formal balls
- 17- 21
Rodr\'{\i}guez-Mart\'{\i}nez A.
- The classical Volterra operator and Schur's theorem
- 23- 27
Heuvers K., Ng C.T.
- Multiplicative quadratic forms on the quaternions and related functional equations
- 29- 41
Ito M., Kamei E.
- Ando-Hiai inequality and a generalized Furuta-type operator function
- 43- 52
Devi R., Kokilavani V., Maki H.
- More on g$^{\#}\alpha$-open sets in digital planes
- 53- 62
Nasr-Azadani M.A., Zahedi M.M.
- Classification of quasi union hyper K-algebras of order less than 6
- 63- 75
Tuan N. M., Tuan P. D.
- Generalized convolutions relative to the Hartley transforms with applications
- 77- 89
Oudadess M.
- Uniqueness of von Neumann bornology in locally $C^{\ast }$-algebras. A bornological analogue of Johnson's theorem
- 91- 93
Cull P.
- Moore reducibility for Regular languages
- 95- 107
Jun Y.B., Kang M.S., Kim H.S.
- Bipolar fuzzy implicative hyper BCK-ideals in hyper BCK-algebras
- 109- 121

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