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2 votes
1 answer
504 views

Partitioning polygons into acute isosceles triangles

Question: Given an $N$-vertex polygon (not necessarily convex). It is to be cut into the least number of acute isosceles triangles. Based on this MathSE discussion, one can think of a method to get $\...
3 votes
2 answers
232 views

Partition of polygons into 'congruent sets of polygons'

Definition: Two finite sets of polygons $A$ and $B$ are congruent if we can match polygons in $A$ in a one-one manner with polygons in $B$ with each matched pair of polygons mutually congruent. ...
1 vote
1 answer
208 views

On a possible variant of Monsky's theorem

See Wikipedia for Monsky's theorem which states: it is not possible to dissect a square into an odd number of triangles all of equal area. Questions: Are there quadrilaterals that allow partition into ...
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 ...