On equidissection of balanced polygons
Zapiski Nauchnykh Seminarov POMI, Representation theory, dynamical systems, combinatorial methods. Part XXI, Tome 403 (2012), pp. 142-157

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In this paper we show that a lattice balanced polygon of odd area cannot be cut into an odd number of triangles of equal areas. The first result of this type was obtained by Paul Monsky in 1970. He proved that a square cannot be cut into an odd number of triangles of equal areas. In 2000, Sherman Stein conjectured that the same holds for any balanced polygon. We also show connections between the equidissection problem and tropical geometry.
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     title = {On equidissection of balanced polygons},
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D. Rudenko. On equidissection of balanced polygons. Zapiski Nauchnykh Seminarov POMI, Representation theory, dynamical systems, combinatorial methods. Part XXI, Tome 403 (2012), pp. 142-157. http://geodesic.mathdoc.fr/item/ZNSL_2012_403_a9/