commutative algebra and field theory, the Frobenius endomorphism (after Ferdinand Georg Frobenius) is a special endomorphism of commutative rings with prime characteristic... 27 KB (4,337 words) - 11:31, 24 January 2024 |
In mathematics, an endomorphism is a morphism from a mathematical object to itself. An endomorphism that is also an isomorphism is an automorphism. For... 5 KB (583 words) - 17:39, 11 March 2024 |
endomorphism Frobenius inner product Frobenius norm Frobenius method Frobenius group Frobenius theorem (differential topology) Georg Ludwig Frobenius... 935 bytes (140 words) - 06:54, 7 February 2022 |
\sigma (x):=x^{p}+p\delta (x)} defines a ring endomorphism which is a lift of the Frobenius endomorphism. When the ring R is p-torsion free the correspondence... 3 KB (427 words) - 22:52, 25 June 2023 |
In mathematics, the Frobenius endomorphism is defined in any commutative ring R that has characteristic p, where p is a prime number. Namely, the mapping... 2 KB (257 words) - 20:51, 12 August 2023 |
Ring homomorphism (redirect from Ring endomorphism) of prime characteristic p, R → R, x → xp is a ring endomorphism called the Frobenius endomorphism. If R and S are rings, the zero function from R to S... 12 KB (1,635 words) - 20:10, 2 May 2024 |
has characteristic 0, or, when k has characteristic p > 0, the Frobenius endomorphism x ↦ xp is an automorphism of k. The separable closure of k is algebraically... 8 KB (1,120 words) - 08:54, 2 May 2024 |
of the trace of the Frobenius endomorphism on its cohomology groups. There are several generalizations: the Frobenius endomorphism can be replaced by a... 4 KB (640 words) - 17:42, 2 March 2023 |
F[X] (where F is assumed to have prime characteristic p). If the Frobenius endomorphism x ↦ x p {\displaystyle x\mapsto x^{p}} of F is not surjective, there... 21 KB (3,073 words) - 22:22, 10 May 2024 |
under the Frobenius endomorphism F*. Brion & Kumar (2005) give a detailed discussion of Frobenius splittings. A fundamental property of Frobenius-split projective... 2 KB (164 words) - 20:51, 12 August 2023 |
If R is an integral domain of prime characteristic p, then the Frobenius endomorphism x ↦ xp is injective. The Wikibook Abstract algebra has a page on... 20 KB (3,124 words) - 13:53, 23 January 2024 |
Schoof's algorithm (section The Frobenius endomorphism) ≠ p {\displaystyle l\neq p} , we make use of the theory of the Frobenius endomorphism ϕ {\displaystyle \phi } and division polynomials. Note that considering... 20 KB (4,098 words) - 05:25, 22 December 2019 |
is induced by a nondiscrete valuation of rank 1, such that the Frobenius endomorphism Φ is surjective on K°/p where K° denotes the ring of power-bounded... 5 KB (623 words) - 00:16, 30 March 2023 |
Frobenius endomorphism (also known as Frobenius morphism, Frobenius map) Frobenius determinant theorem Frobenius formula Frobenius group Frobenius complement... 1 KB (120 words) - 00:06, 12 March 2024 |
an endomorphism whose square is the endomorphism αφ associated to the Frobenius endomorphism φ of the field F. Roughly speaking, this endomorphism απ... 17 KB (2,067 words) - 00:02, 3 December 2023 |
Hensel's lemma (section Frobenius) that given an a ∈ F p {\displaystyle a\in \mathbb {F} _{p}} the Frobenius endomorphism y ↦ y p {\displaystyle y\mapsto y^{p}} gives a nonzero polynomial... 42 KB (9,047 words) - 22:44, 1 January 2024 |
demonstrates that exponentiation by p produces an endomorphism, known as the Frobenius endomorphism of the ring. The demand that the characteristic p... 7 KB (886 words) - 16:10, 11 April 2024 |
of algebras Ring homomorphisms • Kernel • Inner automorphism • Frobenius endomorphism Algebraic structures • Module • Associative algebra • Graded ring... 34 KB (3,924 words) - 21:13, 12 May 2024 |
quasi-Fuchsian. For p-adic curves the analogue of complex conjugation is the Frobenius endomorphism, and the analogue of the quasi-Fuchsian condition is an integrality... 3 KB (277 words) - 22:42, 17 August 2023 |
duality theories. Frobenius algebras began to be studied in the 1930s by Richard Brauer and Cecil Nesbitt and were named after Georg Frobenius. Tadashi Nakayama... 22 KB (3,229 words) - 05:33, 21 February 2023 |
direct product of an empty collection of rings is the zero ring. The endomorphism ring of the trivial group is the zero ring. The ring of continuous real-valued... 6 KB (774 words) - 09:49, 5 April 2024 |
all R-linear maps forms a ring, also called the endomorphism ring and denoted by EndR(V). The endomorphism ring of an elliptic curve. It is a commutative... 99 KB (13,682 words) - 13:16, 11 April 2024 |
module), and is necessarily a group endomorphism of the abelian group (M, +). The set of all group endomorphisms of M is denoted EndZ(M) and forms a ring... 21 KB (2,941 words) - 15:57, 20 February 2024 |
characteristic n is a (Z/nZ)-algebra in the same way. Given an R-module M, the endomorphism ring of M, denoted EndR(M) is an R-algebra by defining (r·φ)(x) = r·φ(x)... 31 KB (4,449 words) - 14:18, 5 April 2024 |
mathematics, more specifically in abstract algebra, the Frobenius theorem, proved by Ferdinand Georg Frobenius in 1877, characterizes the finite-dimensional associative... 10 KB (1,264 words) - 20:34, 6 May 2024 |
of algebras Ring homomorphisms • Kernel • Inner automorphism • Frobenius endomorphism Algebraic structures • Module • Associative algebra • Graded ring... 40 KB (5,798 words) - 19:10, 28 January 2024 |
generally used before starting a proof of primality. Fermat quotient Frobenius endomorphism p-derivation Fractions with prime denominators: numbers with behavior... 18 KB (2,385 words) - 15:47, 10 May 2024 |
analogous to the Wrońskian with differentiation replaced by the Frobenius endomorphism over a finite field. Alternant matrix Vandermonde matrix Peano published... 12 KB (1,446 words) - 23:29, 6 May 2024 |
mathematics. More generally, endomorphism rings of abelian groups are rarely commutative, the simplest example being the endomorphism ring of the Klein four-group... 24 KB (3,098 words) - 18:59, 6 November 2023 |
algebra, an involution is important to the Kazhdan–Lusztig polynomial. The endomorphism ring of an elliptic curve becomes a *-algebra over the integers, where... 11 KB (1,359 words) - 10:03, 10 March 2024 |