synclastic curvature

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synclastic — adjective a) curved toward the same side in all directions b) of a surface whose Gaussian curvature is positive at all points Ant: anticlastic … Wiktionary
Indicatrix — In di*ca trix, n. [NL.] (Geom. of Three Dimensions) A certain conic section supposed to be drawn in the tangent plane to any surface, and used to determine the accidents of curvature of the surface at the point of contact. The curve is similar to … The Collaborative International Dictionary of English
Hyperbolic point — A hyperbolic point is a in an ODE system dx/dt = F(x) a stationary point x0 such that the eigenvalues of the linearized system have non zero real part.ee also*Anticlastic *Elliptic point *Gaussian curvature *Hyperbolic fixed point *Parabolic… … Wikipedia
anticlastic — adjective a) curved in opposite ways in two directions; saddle shaped b) of a surface whose Gaussian curvature is negative at all points Ant … Wiktionary

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