The multidegree of the multi-image variety
Escobar, Laura · Knutson, Allen
Original · EN
The multi-image variety is a subvariety of Gr(1,P³)ⁿ that models taking pictures with n rational cameras. We compute its cohomology class in the cohomology of Gr(1,P³)ⁿ, and from there its multidegree as a subvariety of (P⁵)ⁿ under the Plücker embedding.
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