### Preprints

1. Mordell-Weil groups and automorphism groups of elliptic K3 surfaces
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2. Zariski multiples associated with quartic curves
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3. A note on Quebbemann's extremal lattices of rank 64
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computational data
4. (joint work with S. Brandhorst)
Automorphism groups of certain Enriques surfaces
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Full table of elliptic fibrations: pdf
computational data
5. Computation of automorphism groups of K3 and Enriques surfaces
[For the proceedings of Algebra Symposium, 2019 September, Tohoku University]
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6. (joint work with S. Brandhorst and S. Rams)
On characteristic polynomials of automorphisms of Enriques surfaces
pdf
computational data
7. A note on configurations of (-2)-vectors on Enriques surfaces
pdf
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8. (joint work with Igor Dolgachev)
15-nodal quartic surfaces. Part II: The automorphism group
pdf
computational data
9. (joint work with Simon Brandhorst)
Borcherds' method for Enriques surfaces
pdf
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10. (joint work with Davide Cesare Veniani)
Enriques involutions on singular K3 surfaces of small discriminants
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11. The elliptic modular surface of level 4 and its reduction modulo 3
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12. An even extremal lattice of rank 64
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13. Rational double points on Enriques surfaces
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14. On Edge's correspondence associated with $\cdot 222$
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15. On an Enriques surface associated with a quartic Hessian surface
(version 2020Aug22. The previous version contained a mistake in Theorem 1.6.)
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16. Connected components of the moduli of elliptic K3 surfaces
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17. (joint work with Tetsuji Shioda)
On a smooth quartic surface containing 56 lines which is isomorphic as a K3 surface to the Fermat quartic
pdf
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18. Automorphisms of supersingular K3 surfaces and Salem polynomials
pdf
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19. Holes of the Leech lattice and the projective models of K3 surfaces
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20. The automorphism groups of certain singular K3 surfaces and an Enriques surface
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21. An algorithm to compute automorphism groups of K3 surfaces and an application to singular K3 surfaces
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22. (joint work with Alex Degtyarev)
On the topology of projective subspaces in complex Fermat varieties
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23. (joint work with Toshiyuki Katsura and Shigeyuki Kondo)
On the supersingular K3 surface in characteristic 5 with Artin invariant 1
pdf
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24. The graphs of Hoffman-Singleton, Higman-Sims, McLaughlin, and the Hermitian curve of degree 6 in characteristic 5
pdf
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25. (joint work with Hoang Thanh Hoai)
On Ballico-Hefez curves and associated supersingular surfaces
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26. (joint work with S. Kondo)
On certain duality of Neron-Severi lattices of supersingular K3 surfaces and its application to generic supersingular K3 surfaces
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27. (joint work with S. Kondo)
The automorphism group of a supersingular K3 surface with Artin invariant 1 in characteristic 3
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computational data
28. A note on rational normal curves totally tangent to a Hermitian variety
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29. Projective models of the supersingular K3 surface with Artin invariant 1 in characteristic 5
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30. On Frobenius incidence varieties of linear subspaces over finite fields
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31. (joint work with N. Takahashi)
Primitivity of sublattices generated by classes of curves on an algebraic surface
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32. Topology of curves on a surface and lattice-theoretic invariants of coverings of the surface
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33. Lattice Zariski k-ples of plane sextic curves and Z-splitting curves for double plane sextics
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34. Generalized Zariski-van Kampen theorem and its application to Grassmannian dual varieties
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35. (joint work with K. Arima)
Zariski-van Kampen method and transcendental lattices of certain singular K3 surfaces
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36. Non-homeomorphic conjugate complex varieties
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37. On arithmetic Zariski pairs in degree 6
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38. Transcendental lattices and supersingular reduction lattices of a singular K3 surface
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39. On normal K3 surfaces
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40. (joint work with Duc Tai Pho)
Unirationality of certain supersingular K3 surfaces in characteristic 5
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41. (joint work with De-Qi Zhang)
Dynkin diagrams of rank 20 on supersingular K3 surfaces
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42. (joint work with De-Qi Zhang)
Dynkin diagrams of rank 20 on supersingular K3 surfaces [detailed version with Table, 45 pages]
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43. (joint work with De-Qi Zhang)
On Kummer type construction of supersingular K3 surfaces in characteristic 2
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44. Singularities of dual varieties in characteristic 2
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45. Singularities of dual varieties in characteristic 3
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46. (joint work with De-Qi Zhang)
K3 surfaces with ten cusps
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47. Moduli curves of supersingular K3 surfaces in characteristic 2 with Artin invariant 2
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48. Supersingular K3 surfaces in characteristic 2 as double covers of a projective plane
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49. Supersingular K3 surfaces in odd characteristic and sextic double planes
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50. Rational double points on supersingular K3 surfaces
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51. Vanishing cycles, the generalized Hodge Conjecture and Groebner bases
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52. The fundamental group of the complement of a resultant hypersurface
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53. Equisingular families of plane curves with many connected components
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54. Lattices of algebraic cycles on Fermat varieties in positive characteristics
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55. Zariski hyperplane section theorem for Grassmannian varieties
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56. On Zariski-van Kampen Theorem
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57. On elliptic K3 surfaces
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58. On elliptic K3 surfaces [with Table, 110 pages]
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59. (joint work with De-Qi Zhang)
Classification of extremal elliptic K3 surfaces and fundamental groups of open K3 surfaces
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60. A note on Zariski pairs
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