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Frobenius determinant theorem information


In mathematics, the Frobenius determinant theorem was a conjecture made in 1896 by the mathematician Richard Dedekind, who wrote a letter to F. G. Frobenius about it (reproduced in (Dedekind 1968), with an English translation in (Curtis 2003, p. 51)).

If one takes the multiplication table of a finite group G and replaces each entry g with the variable xg, and subsequently takes the determinant, then the determinant factors as a product of n irreducible polynomials, where n is the number of conjugacy classes. Moreover, each polynomial is raised to a power equal to its degree. Frobenius proved this surprising conjecture, and it became known as the Frobenius determinant theorem.

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Frobenius determinant theorem

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mathematics, the Frobenius determinant theorem was a conjecture made in 1896 by the mathematician Richard Dedekind, who wrote a letter to F. G. Frobenius about it...

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List of things named after Ferdinand Georg Frobenius

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as Frobenius morphism, Frobenius map) Frobenius determinant theorem Frobenius formula Frobenius group Frobenius complement Frobenius kernel Frobenius inner...

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Determinant

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Christoffel and Frobenius; compound determinants by Sylvester, Reiss, and Picquet; Jacobians and Hessians by Sylvester; and symmetric gauche determinants by Trudi...

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List of theorems

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Frobenius determinant theorem (group theory) Frobenius reciprocity theorem (group representations) Frobenius theorem (foliations) Frobenius theorem (abstract...

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Ferdinand Georg Frobenius

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theory, and to group theory. He is known for the famous determinantal identities, known as Frobenius–Stickelberger formulae, governing elliptic functions...

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Wronskian

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In mathematics, the Wronskian of n differentiable functions is the determinant formed with the functions and their n – 1 first derivatives. It was introduced...

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Transfer operator

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or the Perron–Frobenius operator or Ruelle–Perron–Frobenius operator, in reference to the applicability of the Perron–Frobenius theorem to the determination...

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Moore matrix

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has successive powers of the Frobenius automorphism applied to its columns (beginning with the zeroth power of the Frobenius automorphism in the first column)...

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Riemann hypothesis

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function of a variety over a finite field correspond to eigenvalues of a Frobenius element on an étale cohomology group, the zeros of a Selberg zeta function...

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General linear group

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only if its determinant is nonzero. Therefore, an alternative definition of GL(n, F) is as the group of matrices with nonzero determinant. Over a commutative...

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Orthogonal group

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identity (Taylor 1992, Theorem 11.43). Over fields that are not of characteristic 2 it is equivalent to the determinant: the determinant is −1 to the power...

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Special linear group

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degree n over a commutative ring R is the set of n × n matrices with determinant 1, with the group operations of ordinary matrix multiplication and matrix...

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Special unitary group

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n × n unitary matrices with determinant 1. The matrices of the more general unitary group may have complex determinants with absolute value 1, rather...

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Algebraic group

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whose underlying variety is a projective variety. Chevalley's structure theorem states that every algebraic group can be constructed from groups in those...

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Outline of linear algebra

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positive-semidefinite matrix Pfaffian Projection Spectral theorem Perron–Frobenius theorem List of matrices Diagonal matrix, main diagonal Diagonalizable...

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Matrix similarity

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transformed according to the base change matrix P used). Minimal polynomial Frobenius normal form Jordan normal form, up to a permutation of the Jordan blocks...

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Singular value decomposition

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called the Frobenius norm, Schatten 2-norm, or Hilbert–Schmidt norm of M . {\displaystyle \mathbf {M} .} Direct calculation shows that the Frobenius norm of...

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Integrable system

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ingredient in characterizing integrable systems is the Frobenius theorem, which states that a system is Frobenius integrable (i.e., is generated by an integrable...

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Division ring

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Wedderburn's little theorem: All finite division rings are commutative and therefore finite fields. (Ernst Witt gave a simple proof.) Frobenius theorem: The only...

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Weil conjectures

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value of any eigenvalue α of Frobenius on a fiber of E as follows. For any integer k, αk is an eigenvalue of Frobenius on a stalk of Ek, which for k...

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Triangular matrix

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This can be seen by looking at the diagonal entries of A*A and AA*. The determinant and permanent of a triangular matrix equal the product of the diagonal...

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Dual lattice

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M ∗ {\textstyle L^{*}\supseteq M^{*}} . The determinant of a lattice is the reciprocal of the determinant of its dual: det ( L ∗ ) = 1 det ( L ) {\textstyle...

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Hermitian matrix

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position and zeros elsewhere, a basis (orthonormal with respect to the Frobenius inner product) can be described as follows: E j j  for  1 ≤ j ≤ n ( n...

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List of things named after James Joseph Sylvester

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Sylvester's determinant identity. Sylvester's matrix theorem, a.k.a. Sylvester's formula, for a matrix function in terms of eigenvalues. Sylvester's theorem on...

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