Takeshi Usa

Families of canonical curves with genus $5$ and the degenerations of the syzygies (I) 

Report of Univ. of Hyogo (No.30) 1 - 13 2019  Peer-reviewed

Infinitesimal directions for strong Betti constancy in the Hilbert scheme of P^N(C) 

Report of Univ. of Hyogo 28 1 - 12 2017  Peer-reviewed

Good homological shells of a smooth projective curve given by an intersection of two Segre 3-folds in P^5(C) 

Report of Univ. of Hyogo 27 1 - 14 2016  Peer-reviewed

A generalization of hypersurface cut for constructing new types of homological shells 

Report of Univ. of Hyogo 26 1 - 7 2015  Peer-reviewed

Pregeometric Shells of a Veronese surface 

Report Sci. H. I. T. 14 1 - 15 2003

A Classification of Pregeometric Shells of a Rational Quartic Curve 

Report Sci. H. I. T. 13 1 - 17 2002

Infinitesimal Syzygy Bundles 

Report Sci. H. I. T. 12 1 - 17 2001

2-bundles constructed from projected canonical curves in P^3 

Report Sci. H. I. T. 11 1 - 10 2000

Notes on Formulae for Ogus Derivations 

Rpt.Fac.Sci.H.I.T. 10, 1-15 10 1 - 15 1999

総合学習を生かす2つの鍵について(日本総合学習学会会誌2号)日本語の論文 

1999

射影多様体の射影空間への埋め込みの幾何的構造について 

Geometric Structures of Projective Embeddings