euler-characteristic

Euler characteristic for simplicial complexes

v0.0.0 URL: https://unpkg.com/euler-characteristic@0.0.0/euler.js

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topology euler characteristic homology cohomology betti number invariant mesh simplicial complex triangle mesh graph tetrahedra vertex edge homotopy

cooriented

Checks relative orientation of cells

v0.1.0 URL: https://unpkg.com/cooriented@0.1.0/cooriented.js

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simplicial complex cell triangle homology cohomology orientation

differential

Homological exterior derivartive with integer coefficients

v0.1.1 URL: https://unpkg.com/differential@0.1.1/differential.js

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homology cohomology chain cycle cocycle cochain boundary coboundary differential codifferential algebra geometry linear