N. Kenmochi | Free boundary problems for a class of nonlinear parabolic equations : An approach by the theory of subdifferential operators | 1−13 |

M. Nagata, G. Nishida and H. Toda | Segal-Becker theorem for *KR*-theory | 15−33 |

N. Hirano | Nonlinear ergodic theorems and weak convergence theorems | 35−46 |

S. Zucker | Remarks on a theorem of Fujita | 47−54 |

K. Ikeshoji | A generalization of Roberts-Tannaka duality theorem | 55−59 |

S. Kakutani | Some examples of pseudofree *S*^{1}-actions on homotopy (4*m*+1)-spheres | 61−81 |

H. Nakazato | Closed ^{*}-derivations on compact groups | 83−93 |

H. Iwaniec | On the Brun-Titchmarsh theorem | 95−123 |

S. Kanemitsu, R. Sitaramachandra Rao and A. Siva Rama Sarma | Some sums involving Farey fractions, I | 125−142 |

K. Mochizuki | Asymptotic wave functions and energy distributions for long-range perturbations of the d'Alembert equation | 143−171 |

E. A. Gerber and M. L. Weiss | Interpolation, trivial and nontrivial homomorphisms in *H*^{{\infty }} | 173−185 |