A calculus of lax fractions

作者:Sousa Lurdes*
来源:Journal of Pure and Applied Algebra, 2017, 221(2): 422-448.
DOI:10.1016/j.jpaa.2016.07.002

摘要

We present a notion of category of lax fractions, where lax fraction stands for a formal composition s*f with s*s = id and ss* <= id, and a corresponding calculus of lax fractions which generalizes the Gabriel-Zisman calculus of fractions.

  • 出版日期2017-2

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