diagonalizing matrix
21Darboux frame — In the differential geometry of surfaces, a Darboux frame is a natural moving frame constructed on a surface. It is the analog of the Frenet–Serret frame as applied to surface geometry. A Darboux frame exists at any non umbilic point of a surface …
22Killing form — In mathematics, the Killing form, named after Wilhelm Killing, is a symmetric bilinear form that plays a basic role in the theories of Lie groups and Lie algebras. In an example of Stigler s law of eponymy, the Killing form was actually invented… …
23Gauss–Kuzmin–Wirsing operator — GKW redirects here. For the Indian engineering firm see Guest Keen Williams.In mathematics, the Gauss–Kuzmin–Wirsing operator occurs in the study of continued fractions; it is also related to the Riemann zeta function. IntroductionThe… …
24Partial differential equation — A visualisation of a solution to the heat equation on a two dimensional plane In mathematics, partial differential equations (PDE) are a type of differential equation, i.e., a relation involving an unknown function (or functions) of several… …
25diagonalize — /duy ag euh nl uyz , ag nl /, v.t., diagonalized, diagonalizing. Math. to transform (a matrix) to a diagonal matrix. Also, esp. Brit., diagonalise. [1880 85; DIAGONAL + IZE] * * * …
26Gelfand representation — In mathematics, the Gelfand representation in functional analysis (named after I. M. Gelfand) has two related meanings:* a way of representing commutative Banach algebras as algebras of continuous functions; * the fact that for commutative C*… …
27Quasinormal mode — Wave Mechanics= Quasinormal modes (QNM) are the modes of energy dissipation of aperturbed object or field. A familiar example is theperturbation (gentle tap) of a wine glass with a knife: the glass begins toring, it rings with a set, or… …
