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A singular point of an algebraic curve is a point where the curve has "nasty" behavior such as a cusp or a point of self-intersection (when the underlying field K is taken as ...

The term analysis is used in two ways in mathematics. It describes both the discipline of which calculus is a part and one form of abstract logic theory. Analysis is the ...

The operator D=-i(d+d^*), where d^* is the adjoint.

A dual bivector is defined by X^~_(ab)=1/2epsilon_(abcd)X^(cd), and a self-dual bivector by X_(ab)^*=X_(ab)+iX^~_(ab).

Can be used to invert a Laplace transform.

sum_(i=1)^n((partialu)/(partialx_i))^2=1.

A type of integral named after Henstock and Kurzweil. Every Lebesgue integrable function is HK integrable with the same value.

The normal vector, often simply called the "normal," to a surface is a vector which is perpendicular to the surface at a given point. When normals are considered on closed ...

An affine isoperimetric inequality.

An operator in logic which returns either true or false.