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The elliptic modular surface of level 4 and its reduction modulo 3 | |

An even extremal lattice of rank 64 | |

Rational double points on Enriques surfaces | |

On Edge's correspondence associated with $\cdot 222$ | |

On an Enriques surface associated with a quartic Hessian surface | |

Connected components of the moduli of elliptic K3 surfaces | |

On a smooth quartic surface containing 56 lines which is isomorphic as a K3 surface to the Fermat quartic (joint work with Tetsuji Shioda) | |

Automorphisms of supersingular K3 surfaces and Salem polynomials | |

Holes of the Leech lattice and the projective models of K3 surfaces | |

The automorphism groups of certain singular K3 surfaces and an Enriques surface | |

An algorithm to compute automorphism groups of K3 surfaces and an application to singular K3 surfaces | |

On the topology of projective subspaces in complex Fermat varieties (joint work with Alex Degtyarev) | |

On the supersingular K3 surface in characteristic 5 with Artin invariant 1 (joint work with Toshiyuki Katsura and Shigeyuki Kondo) | |

The graphs of Hoffman-Singleton, Higman-Sims, McLaughlin, and the Hermitian curve of degree 6 in characteristic 5 | |

On Ballico-Hefez curves and associated supersingular surfaces (joint work with Hoang Thanh Hoai) | |

On certain duality of Neron-Severi lattices of supersingular K3 surfaces and its application to generic supersingular K3 surfaces (joint work with S. Kondo) | |

The automorphism group of a supersingular K3 surface with Artin invariant 1 in characteristic 3 (joint work with S. Kondo) | |

A note on rational normal curves totally tangent to a Hermitian variety | |

Projective models of the supersingular K3 surface with Artin invariant 1 in characteristic 5 | |

On Frobenius incidence varieties of linear subspaces over finite fields | |

Primitivity of sublattices generated by classes of curves on an algebraic surface (joint work with N. Takahashi) | |

Topology of curves on a surface and lattice-theoretic invariants of coverings of the surface | |

Lattice Zariski k-ples of plane sextic curves and Z-splitting curves for double plane sextics | |

Generalized Zariski-van Kampen theorem and its application to Grassmannian dual varieties | |

Zariski-van Kampen method and transcendental lattices of certain singular K3 surfaces (joint work with K. Arima) | |

Non-homeomorphic conjugate complex varieties | |

On arithmetic Zariski pairs in degree 6 | |

Transcendental lattices and supersingular reduction lattices of a singular K3 surface | |

On normal K3 surfaces | |

Unirationality of certain supersingular K3 surfaces in characteristic 5 (joint work with Duc Tai Pho) | |

Dynkin diagrams of rank 20 on supersingular K3 surfaces (joint work with De-Qi Zhang) | |

Dynkin diagrams of rank 20 on supersingular K3 surfaces (joint work with De-Qi Zhang) [detailed version with Table, 45 pages] | |

On Kummer type construction of supersingular K3 surfaces in characteristic 2 (joint work with De-Qi Zhang) | |

Singularities of dual varieties in characteristic 2 | |

Singularities of dual varieties in characteristic 3 | |

K3 surfaces with ten cusps (joint work with De-Qi Zhang) | |

Moduli curves of supersingular K3 surfaces in characteristic 2 with Artin invariant 2 | |

Supersingular K3 surfaces in characteristic 2 as double covers of a projective plane | |

Supersingular K3 surfaces in odd characteristic and sextic double planes | |

Rational double points on supersingular K3 surfaces | |

Vanishing cycles, the generalized Hodge Conjecture and Groebner bases | |

The fundamental group of the complement of a resultant hypersurface | |

Equisingular families of plane curves with many connected components | |

Lattices of algebraic cycles on Fermat varieties in positive characteristics | |

On elliptic K3 surfaces | |

On elliptic K3 surfaces [with Table, 110 pages] | |

Classification of extremal elliptic K3 surfaces and fundamental groups of open K3 surfaces (joint work with De-Qi Zhang) |