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View search results from all Wolfram sites (49500 matches)Johnson solid J_(89).
A metric on a bunch of segments with a common endpoint O, which defines the distance between two points P_1 and P_2 as the length of the shortest path connecting them inside ...
A diagram expressing how the gluing operation that connects the handlebodies involved in a Heegaard splitting proceeds, usually by showing how the meridians of the handlebody ...
The second-order ordinary differential equation (Moon and Spencer 1961, p. 157; Zwillinger 1997, p. 166).
The system of partial differential equations S_t=SxS_(xx).
The Heisenberg group H^n in n complex variables is the group of all (z,t) with z in C^n and t in R having multiplication (w,t)(z,t^')=(w+z,t+t^'+I[w^*z]) (1) where w^* is the ...
The Held group is the sporadic group He of order |He| = 4030387200 (1) = 2^(10)·3^3·5^2·7^3·17. (2) It is implemented in the Wolfram Language as HeldGroupHe[].
In bipolar coordinates, the Helmholtz differential equation is not separable, but Laplace's equation is.
The Helmholtz differential equation is not separable in bispherical coordinates.
The Helmholtz differential equation is not separable in toroidal coordinates
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