Naoya HIRAMATSU (D3 student)
Graduate School of Natural Science and Technology,
Okayama University.

E-mail: ｎａｏｙａ＿ｈ at math dot okayma-u dot ac dot jp

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    　◇ Paper.
          ・Automorphism groups and Picard groups of additive full subcategories (with Y.Yoshino),
            Math. Scand. 107 (2010), no. 1, 5--29.
            Key words: Commutative algebras, Picard groups, Cohen-Macaulay modules.

          ・Urcohomologies and cohomologies of N-complexes (with G.Kato),
            Portugal. Math. 67 (2010), no. 4, 511-–524.
            Key words: N-complex, N-exactness, Complexifying functor, Urcohomology.

    　◇ Preprint.
          ・Examples of degenerations of Cohen-Macaulay modules (with Y.Yoshino),
            Key words: degeneration, Cohen-Macaulay module, finite representation type, Auslander-Reiten sequence.

    　◇ Note.
          ・arXiv*.
          ・Picard groups of torsion free classes*.
          ・Automorphism groups and Picard groups of additive full subcategories (slide), ICRA XIV Conference (Parallels), August 11, 2010.
          ・Examples of degenerations of Cohen-Macaulay modules (slide), 第32回可換環論シンポジウム, December 11, 2010.

    　◇ Seminar.
          ・岡 山大学環論セミナー
          ・自主セミナー

    　◇ Links.