English

Relations between some invariants of algebraic varieties in positive characteristic

Algebraic Geometry 2012-03-20 v1

Abstract

We discuss relations between certain invariants of varieties in positive characteristic, like the a-number and the height of the Artin-Mazur formal group. We calculate the a-number for Fermat surfaces

Keywords

Cite

@article{arxiv.1203.4093,
  title  = {Relations between some invariants of algebraic varieties in positive characteristic},
  author = {Gerard van der Geer and Toshiyuki Katsura},
  journal= {arXiv preprint arXiv:1203.4093},
  year   = {2012}
}

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13 pages