paraboloidal coordinates
11List of mathematics articles (P) — NOTOC P P = NP problem P adic analysis P adic number P adic order P compact group P group P² irreducible P Laplacian P matrix P rep P value P vector P y method Pacific Journal of Mathematics Package merge algorithm Packed storage matrix Packing… …
12Faster-than-light — (also superluminal or FTL) communications and travel refer to the propagation of information or matter faster than the speed of light. Science fiction style space travel, dubbed true FTL, defies known physics.Under the special theory of… …
13Helmholtz equation — The Helmholtz equation, named for Hermann von Helmholtz, is the elliptic partial differential equation:( abla^2 + k^2) A = 0where abla^2 is the Laplacian, k is a constant, and the unknown function A=A(x, y, z) is defined on n dimensional… …
14Metro San Lázaro — San Lázaro Mexico City Metro Candelaria Line 1 Moctezuma …
15Nieuw-Amsterdam, Drenthe — Van Gogh House in Nieuw Amsterdam Nieuw Amsterdam is a village in Drenthe, The Netherlands, bordering the village of Veenoord. Tweelingdorp (twin village), a common name for both village, reflects this topographical relationship. For example, the …
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