How Is the Adjoint Boundary Operator Defined in Simplicial Complexes?

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The adjoint boundary operator in simplicial complexes is defined as a mapping from C_k to C_k+1, serving as an alternative to cohomology definitions based on dual spaces. The operator can be established by taking the transpose of the boundary operator. This approach allows for a clearer understanding of the relationships between simplicial chains and their boundaries. The discussion emphasizes the mathematical framework surrounding simplicial complexes and the implications for cohomology. Overall, the adjoint boundary operator provides a useful tool for exploring the structure of simplicial complexes.
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If one has a simplicial complex how does one define the adjoint boundary operator from C_k into C_k+1?

This is an alternative to defining cohomology in terms of the dual space.
 
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wofsy said:
If one has a simplicial complex how does one define the adjoint boundary operator from C_k into C_k+1?

This is an alternative to defining cohomology in terms of the dual space.

I see how to do this. Just take the transpose.
 

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