Calculating the homology and intersection form of a 4-manifold from a trisection diagram
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Date
2018-10-23
Publication Type
Journal Article
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yes
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Abstract
When trying to prove that two topological spaces are distinct, one often associates algebraic invariants such as groups, rings, and matrices to topological spaces. For manifolds, in dimension four, the homology and intersection form are especially useful invariants. Here, we describe how they can be computed using the information contained in a trisection diagram and provide some applications.
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published
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Volume
115 (43)
Pages / Article No.
10869 - 10874
Publisher
National Academy of Sciences
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Subject
4-manifolds; trisections; homology; intersection form
Organisational unit
09561 - Sisto, Alessandro (ehemalig) / Sisto, Alessandro (former)