|  | H1 | 
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Name
H1 — The first homology group of a triangulation
Synopsis
| Content Model | |
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H1 ::= ( | 
Description
   An H1 element stores the first homology group of a
   triangulation.  The group itself is described by the child
   abeliangroup element.
  
Parents
    The following elements contain H1:
    packet (2-dimensional triangulation), packet (3-dimensional triangulation), packet (4-dimensional triangulation), packet (dim-dimensional triangulation).
   
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