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This program computes the double homology of the moment angle complex associated to a simplicial complex
It takes as an input the maximal simplices that define a simplicial complex K and outputs the double homology
of ZK with coefficients in Z/2.
The output separates HH by homological degree and outputs the rank for every non-trivial bidegree.
Note: Due to the nature of the program, it can be easily modified to also print a basis for the double homology.
By "Homological degree" I mean the degree of the reduced homology in the hochster decomposition
namely, for the bidegree (-k,2l), the homological degree is l-k-1.
For each simplex input the vertices it contains separated by spaces
For example, if you want to set K=C_4 (the four cycle), you'd write it as:
1 2
1 4
2 3
3 4
You can either choose to prepare the simplicial complex in advancein the text file called "Input.txt" or enter it
during runtime
Make sure the vertices are indexed by a set of integers (preferrably [n]:={1,2,3,...,n})
and that they are written in increasing order for each simplex.About
Double Homology of Moment Angle Complex Calculator
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