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6 votes
0 answers
237 views

Complexity of scissors congruence?

Where is the complexity of the problem 'Given two bounded compact convex integral polyhedra in $\mathbb R^n$ presented by $O(poly(n))$ integer valued halfspaces given by linear inequalities with ...
1 vote
1 answer
99 views

Estimating volume of a simple object

Volume computation is $\#P$ hard. Take the $[0,1]^n$ polytope. Slice it by an half space inequality with $poly(n)$ bit rational coefficients into two unequal halves. Volume of bigger section is $\...
1 vote
0 answers
68 views

Projection of a polytope along 4 orthogonal axes

Consider the following problem: Given an $\mathcal{H}$-polytope $P$ in $\mathbb{R}^d$ and $4$ orthogonal vectors $v_1, ..., v_4 \in \mathbb{R}^d$, compute the projection of $P$ to the subspace ...