Simplicial perturbation techniques and effective homology

  • Authors:
  • Rocio Gonzalez-Díaz;Belén Medrano;Javier Sánchez-Peláez;Pedro Real

  • Affiliations:
  • Departamento de Matemática Aplicada I, Universidad de Sevilla, Seville, (Spain);Departamento de Matemática Aplicada I, Universidad de Sevilla, Seville, (Spain);Departamento de Matemática Aplicada I, Universidad de Sevilla, Seville, (Spain);Departamento de Matemática Aplicada I, Universidad de Sevilla, Seville, (Spain)

  • Venue:
  • CASC'06 Proceedings of the 9th international conference on Computer Algebra in Scientific Computing
  • Year:
  • 2006

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Abstract

In this paper, we deal with the problem of the computation of the homology of a finite simplicial complex after an “elementary simplicial perturbation” process such as the inclusion or elimination of a maximal simplex or an edge contraction. To this aim we compute an algebraic topological model that is a special chain homotopy equivalence connecting the simplicial complex with its homology (working with a field as the ground ring).