By Gabriella Durand

ISBN-10: 813234247X

ISBN-13: 9788132342472

Desk of Contents
Chapter 1 - Additive Function
Chapter 2 - Algebraic Function
Chapter three - Analytic Function
Chapter four - thoroughly Multiplicative functionality and Concave Function
Chapter five - Convex Function
Chapter 6 - Differentiable Function
Chapter 7 - trouble-free functionality and full Function
Chapter eight - Even and extraordinary Functions
Chapter nine - Harmonic Function
Chapter 10 - Holomorphic Function
Chapter eleven - Homogeneous Function
Chapter 12 - Indicator Function
Chapter thirteen - Injective Function
Chapter 14 - Measurable Function
Chapter 15 - Meromorphic Function
Chapter sixteen - Multiplicative functionality and Multivalued Function
Chapter 17 - Periodic Function
Chapter 18 - Pseudoconvex functionality and Quasiconvex Function
Chapter 19 - Rational Function
Chapter 20 - Ring of Symmetric features

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Extra resources for Types of Functions in Mathematics

Sample text

The fact that the class of complex analytic functions coincides with the class of holomorphic functions is a major theorem in complex analysis. Holomorphic functions are also sometimes referred to as regular functions or as conformal maps. A holomorphic function whose domain is the whole complex plane is called an entire function. The phrase "holomorphic at a point z0" means not just differentiable at z0, but differentiable everywhere within some neighbourhood of z0 in the complex plane. Definition Given a complex-valued function ƒ of a single complex variable, the derivative of ƒ at a point z0 in its domain is defined by the limit This is the same as the definition of the derivative for real functions, except that all of the quantities are complex.

That is, a holomorphic function f has derivatives of every order at each point a in its domain, and it coincides with its own Taylor series at a in a neighborhood of a. In fact, f coincides with its Taylor series at a in any disk centered at that point and lying within the domain of the function. From an algebraic point of view, the set of holomorphic functions on an open set is a commutative ring and a complex vector space. In fact, it is a locally convex topological vector space, with the seminorms being the suprema on compact subsets.

The with the partial result follows from Euler's theorem by commuting the operator derivative. Homogeneous distributions A compactly supported continuous function ƒ on Rn is homogeneous of degree k if and only if for all compactly supported test functions φ and nonzero real t. Equivalently, making a change of variable y = tx, ƒ is homogeneous of degree k if and only if for all t and all test functions φ. The last display makes it possible to define homogeneity of distributions. A distribution S is homogeneous of degree k if for all nonzero real t and all test functions φ.

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Types of Functions in Mathematics by Gabriella Durand

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