In mathematics, Fuchs's theorem, named after Lazarus Fuchs, states that a second-order differential equation of the form y ″ + p ( x ) y ′ + q ( x ) y...

In mathematics, in the area of additive number theory, the Erdős–Fuchs theorem is a statement about the number of ways that numbers can be represented...

Floquet's theorem (differential equations) Fuchs's theorem (differential equations) Kharitonov's theorem (control theory) Kneser's theorem (differential...

In mathematics, the Chung–Fuchs theorem, named after Chung Kai-lai and Wolfgang Heinrich Johannes Fuchs, states that for a particle undergoing a zero-mean...

integer this formula has to be modified. Another well-known result of Fuchs is the Fuchs's conditions, the necessary and sufficient conditions for the non-linear...

when α is an integer is an example of the second kind of solution in Fuchs's theorem. Another important formulation of the two linearly independent solutions...

equation does not have regular singularities at w = 0, according to Fuchs's theorem.) Since the functions cez are defined on the whole affine line A1,...

Erdős–Dushnik–Miller theorem Erdős–Fuchs theorem Erdős–Gallai theorem Erdős–Ginzburg–Ziv theorem Erdős–Kac theorem Erdős–Kaplansky theorem Erdős–Ko–Rado theorem Erdős–Nagy...

Freiman's theorem. Ruzsa also showed the existence of a Sidon sequence which has at least x0.41 elements up to x. In a result complementing the Erdős–Fuchs theorem...

given number of elements from a given sequence, and includes the Erdős–Fuchs theorem according to which this number of representations cannot be close to...

approach to actually calculate the series coefficients in all cases. Fuchs' theorem Regular singular point Laurent series Weisstein, Eric W. "Frobenius...

In physics, the no-cloning theorem states that it is impossible to create an independent and identical copy of an arbitrary unknown quantum state, a statement...

Erdős–Fuchs theorem Chung–Fuchs theorem Anderson, J. Milne; Drasin, David; Sons, Linda R. (December 1998). "Wolfgang Heinrich Johannes Fuchs (1915–1997)"...

the Hahn embedding theorem gives a simple description of all linearly ordered abelian groups. It is named after Hans Hahn. The theorem states that every...

In mathematical physics, Gleason's theorem shows that the rule one uses to calculate probabilities in quantum physics, the Born rule, can be derived from...

In probability theory, de Finetti's theorem states that exchangeable observations are conditionally independent relative to some latent variable. An epistemic...

The related Erdős–Fuchs theorem states that the number of representations cannot be close to a linear function. The Erdős–Tetali theorem states that, for...

no-broadcasting theorem is a result of quantum information theory. In the case of pure quantum states, it is a corollary of the no-cloning theorem. The no-cloning...

additive number theory, an area of mathematics, the Erdős–Tetali theorem is an existence theorem concerning economical additive bases of every order. More specifically...

and complex analysis, proved the intermediate value theorem and the Bolzano–Weierstrass theorem, and used the latter to study the properties of continuous...

1900;[citation needed] details follow. Group theorist László Fuchs states: As far as the fundamental theorem on finite abelian groups is concerned, it is not clear...

In mathematics, two Prüfer theorems, named after Heinz Prüfer, describe the structure of certain infinite abelian groups. They have been generalized by...

structure theorem for finitely generated modules over a principal ideal domain. In the case of finitely generated abelian groups, this theorem guarantees...

Dirichlet series, Riesz summability, the multiplicative analog of the Erdős–Fuchs theorem, estimates of the number of non-isomorphic abelian groups, and bounds...

square root of a positive semidefinite matrix is defined via the spectral theorem. The Euclidean inner product from the classical definition is replaced...

focused primarily on differential equations. He studied problems of Erdős–Fuchs theorem of linear differential equations and their generalisation. He wrote...

that can lead to the same mixed states are limited by the Schrödinger–HJW theorem. Purification is used in algorithms such as entanglement distillation,...

theorem. Many other Picard-type theorems can be derived from the Second Fundamental Theorem. As another corollary from the Second Fundamental Theorem...

the application of this work was instrumental in his mean ergodic theorem. The theorem is about arbitrary one-parameter unitary groups t → V t {\displaystyle...

In differential geometry the theorem of the three geodesics, also known as Lyusternik–Schnirelmann theorem, states that every Riemannian manifold with...