Author | Title | Page |

Bin Zhu | Triangular matrix algebras over quasi-hereditary algebras | 1 |

George Michael,A.A. | On the smoothing problem | 13 |

Naohiro Kanesaka | Explicit structures of three-dimensional hypersurface purely elliptic singularities of type (0,1) | 47 |

Tadashi Tomaru | Pinkham-Demazure construction for two dimensional cyclic quotient singularities | 75 |

Massimo Cicognani, Luisa Zanghirati | Nonlinear weakly hyperbolic equations with Levi condition in Gevrey classes | 85 |

Shuan Hong Wang | On the braided structures of bicrossproduct Hopf algebras | 103 |

Hiroshi Mikawa | On primes in arithmetic progressions | 121 |

Hong Jae Kang, Hiroyuki Tasaki | Integral geometry of real surfaces in complex projective spaces | 155 |

Tatsuo Nishitani, Jean Vaillant | Smoothly symmetrizable systems and the reduced dimensions | 165 |

Yutaka Iwamoto, Kazuo Tomoyasu | Higson compactifications obtained by expanding and contracting the half-open interval | 179 |

Nicolas Andruskiewitsch, Sonia Natale | Counting arguments for Hopf algebras of low dimension | 187 |

Sorin Dragomir, Maria Rosaria Enea | Unstable harmonic maps into real hypersurfaces of a complex Hopf manifold | 203 |

Julian Fernandez Bonder, Julio D. Rossi | Life span for solutions of the heat equation with a nonlinear boundary condition | 215 |