geometry, the secant variety Sect ⁡ ( V ) {\displaystyle \operatorname {Sect} (V)} , or the variety of chords, of a projective variety V ⊂ P r {\displaystyle...

cut"). It may refer to: a secant line, in geometry the secant variety, in algebraic geometry secant (trigonometry) (Latin: secans), the multiplicative inverse...

In geometry, a secant is a line that intersects a curve at a minimum of two distinct points. The word secant comes from the Latin word secare, meaning...

embedded in P 3 {\displaystyle \mathbb {P} ^{3}} (for a proof, see Secant variety#Examples). Conversely, any smooth closed curve in P 2 {\displaystyle...

twisted cubic passing through them. The union of the tangent and secant lines (the secant variety) of a twisted cubic C fill up P3 and the lines are pairwise...

In calculus, the integral of the secant function can be evaluated using a variety of methods and there are multiple ways of expressing the antiderivative...

secant variety The secant variety to a projective variety V ⊂ P r {\displaystyle V\subset \mathbb {P} ^{r}} is the closure of the union of all secant...

mathematics, a k-Scorza variety is a smooth projective variety, of maximal dimension among those whose k–1 secant varieties are not the whole of projective...

Geramita, A. V.; Gimigliano, A. (2002). "Ranks of tensors, secant varieties of Segre varieties and fat points". Linear Algebra and Its Applications. 355...

spacing of the piles can be varied to provide suitable bending stiffness. Secant pile walls are constructed such that space is left between alternate 'female'...