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View search results from all Wolfram sites (32025 matches)A sutured manifold is a tool in geometric topology which was first introduced by David Gabai in order to study taut foliations on 3-manifolds. Roughly, a sutured manifold is ...
The system of partial differential equations u_t = b·v_x (1) b_(xt) = u_(xx)b+axv_x-2vx(vxb). (2)
The classification of a collection of objects generally means that a list has been constructed with exactly one member from each isomorphism type among the objects, and that ...
Elementary methods consist of arithmetic, geometry, and high school algebra. These are the only tools that may be used in the branch of number theory known as elementary ...
The partial differential equation R[u](u_(rr)+(u_r)/r+u_(zz))=u_r^2+u_z^2, where R[u] is the real part of u (Calogero and Degasperis 1982, p. 62; Zwillinger 1997, p. 131).
A term of endearment used by algebraic topologists when talking about their favorite power tools such as Abelian groups, bundles, homology groups, homotopy groups, K-theory, ...
The partial differential equation u_t=u_(xxx)u^3.
The system of partial differential equations S_t=SxS_(xx).
The partial differential equation
The partial differential equation u_(tt)-u_(xx)-u+u^3=0.
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