Mathematica Japonica Vol. 49, No. 2
Whole Number 194
March 1999
CONTENTS
- Anatolij Dvure\v censkij and Maria Gabriella Graziano 
  
  - Commutative BCK-algebras and lattice ordered groups 
  
- 159--174
  
 
- Ryszard Grzaslewicz 
  
  - On the geometry of $\Cal L(H)$
  
- 175--183
  
 
- Teruo Kanzaki
  
  - On the completion of partially ordered modules by the Cauchy-sequences in the interval topology
  
- 185--189
  
 
- Radu Tunaru
  
  - Approximating a Riemann integral using the central limit theorem
  
- 191--193
  
 
- F. S. Cater and A. B. Thaheem
  
  - On contractions on Hilbert spaces
  
- 195--198
  
 
- Zhi Bin Qu and Zhi Min Gao
  
  - Spaces with compact-countable $k$-networks 
  
- 199--205
  
 
- Yutaka Watanabe
  
  - Isometries of cubic forms on algebras
  
- 207--212
  
 
- Eun Hwan Roh and Yisheng Huang
  
  - J-semisimple BCI-algebras
  
- 213--216
  
 
- Masatoshi Fujii, Yoshikazu Katayama and Ritsuo Nakamoto
  
  - Generalizations of the Wielandt theorem
  
- 217--222
  
 
- Mamoru Nunokawa, Akira Ikeda, Naoya Koike and Yoshiaki Ota
  
  - On multivalently convex and starlike functions
  
- 223--227
  
 
- Toshiharu Kawasaki
  
  - Approximately order derivatives in vector lattices
  
- 229--239
  
 
- Naoko Ogata
  
  - On the absolute convergence of lacunary Fourier series
  
- 241--245
  
 
- Derming Wang
  
  - L\"owner-Heinz and Reid inequalities
  
- 247--250
  
 
- Donatella Bongiorno and Luisa Di Piazza
  
  - Convergence of Foran integrals
  
- 251--263
  
 
- Michiro Kondo
  
  - Hilbert algebras are dual isomorphic to positive implicative BCK-algebras
  
- 265--268
  
 
- Nak Eun Cho, Ji A Kim, In Hwa Kim and Sang Hun Lee
  
  - Angular estimations of certain multivalent functions
  
- 269--275
  
 
- Haruki Ninomiya
  
  - Range of non-solvable complex vector fields and Cauchy problem for elliptic vector fields
  
- 277--284
  
 
- Yasunori Kimura 
  
  - A characterization of epi-convergence for lower semicontinuous functions without separability
  
- 285--291
  
 
International Plaza
- Steven J. Brams
  
  - The rationality of surprise: Unstable Nash equilibria and the theory of moves
  
- 293--316
  
 
- Yoshinobu Teraoka
  
  - An understanding of a Japanese as to the outbreak of the war between Japan and the United States on December 8, 1941 (Japan time)
  
- 317--318
  
 
- Steven Brams 
  
  - Short response to Professor Teraoka's comments on my article
  
- 319
  
 
- YOshinobu Teraoka
  
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