多嘴多舌 发表于 2025-3-23 12:45:15
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Inequalities for Polygons,Let A., B., C., D., E. be the midpoints of sides of a convex pentagon ABCDE of area F. If F. is the area of the pentagon A.B.C.D.E., thenMisgiving 发表于 2025-3-23 22:27:09
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Inequalities for Tetrahedra,Let a = BC, b = CA, c = AB, a′ = AD, b′ = BD, c′ = CD be the edge lengths of a tetrahedron T = ABCD and F. F. F. F. the areas of its faces BCD, CDA, DAB, ABC. We shall use the expressionsMumble 发表于 2025-3-24 11:56:34
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https://doi.org/10.1007/978-94-015-7842-4boundary element method; duality; eXist; form; function; functions; geometry; polygon; theorem; transformationeurologist 发表于 2025-3-24 22:44:49
978-90-481-8442-2Springer Science+Business Media Dordrecht 1989Pigeon 发表于 2025-3-25 00:37:09
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