- cuspidal point
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матем. точка возврата, точка заострения
Англо-русский словарь технических терминов. 2005.
cuspidal point
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cuspidal point — noun mathematics 1. : cusp 2b 2. : a point on a ruled surface where a generator or ruling intersects a consecutive ruling … Useful english dictionary
Cuspidal — Cus pi*dal ( p? dal), a. [From L. cuspis, cuspidis. See {Cusp}.] Ending in a point. [1913 Webster] … The Collaborative International Dictionary of English
cuspidal edge — Regression Re*gres sion (r?*gr?sh ?n), n. [L. regressio: cf. F. r[ e]gression.] The act of passing back or returning; retrogression; retrogradation. Sir T. Browne. [1913 Webster] {Edge of regression} (of a surface) (Geom.), the line along which a … The Collaborative International Dictionary of English
cuspidal — /kus pi dl/, adj. of, like, or having a cusp; cuspidate. [1640 50; < L cuspid (s. of cuspis) point + AL1] * * * … Universalium
cuspidal cubic — noun : a plane cubic of the third class with one cusp, one point of inflexion, and no node … Useful english dictionary
Pinch point (mathematics) — Section of the Whitney umbrella, an example of pinch point singularity. In geometry, a pinch point or cuspidal point is a type of singular point on an algebraic surface. The equation for the surface near a pinch point may be put in the form where … Wikipedia
Regression point — Regression Re*gres sion (r?*gr?sh ?n), n. [L. regressio: cf. F. r[ e]gression.] The act of passing back or returning; retrogression; retrogradation. Sir T. Browne. [1913 Webster] {Edge of regression} (of a surface) (Geom.), the line along which a … The Collaborative International Dictionary of English
Cardioid/Proofs — TheoremThe curve defined by the parametric equations : x(t) = 2 r left( cos t {1 over 2} cos 2 t ight), qquad qquad (1) : y(t) = 2 r left( sin t {1 over 2} sin 2 t ight) qquad qquad (2) has the same shape as the curve defined in polar coordinates … Wikipedia
Langlands program — The Langlands program is a web of far reaching and influential conjectures that connect number theory and the representation theory of certain groups. It was proposed by Robert Langlands beginning in 1967. Connection with number theory The… … Wikipedia
Affine focal set — In mathematics, and especially affine differential geometry, the affine focal set of a smooth submanifold M embedded in a smooth manifold N is the caustic generated by the affine normal lines. It can be realised as the bifurcation set of a… … Wikipedia
List of mathematics articles (C) — NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… … Wikipedia
