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Equations defining abelian varieties information


In mathematics, the concept of abelian variety is the higher-dimensional generalization of the elliptic curve. The equations defining abelian varieties are a topic of study because every abelian variety is a projective variety. In dimension d ≥ 2, however, it is no longer as straightforward to discuss such equations.

There is a large classical literature on this question, which in a reformulation is, for complex algebraic geometry, a question of describing relations between theta functions. The modern geometric treatment now refers to some basic papers of David Mumford, from 1966 to 1967, which reformulated that theory in terms from abstract algebraic geometry valid over general fields.

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Equations defining abelian varieties

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the concept of abelian variety is the higher-dimensional generalization of the elliptic curve. The equations defining abelian varieties are a topic of...

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Abelian variety

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number theory. An abelian variety can be defined by equations having coefficients in any field; the variety is then said to be defined over that field....

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Algebraic variety

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projective space. See equations defining abelian varieties); thus, Jac ⁡ ( C ) {\displaystyle \operatorname {Jac} (C)} is a projective variety. The tangent space...

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Timeline of abelian varieties

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abelian varieties Duality of abelian varieties c.1967 David Mumford develops a new theory of the equations defining abelian varieties 1968 Serre–Tate theorem...

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Complex torus

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varieties. The actual projective embeddings are complicated (see equations defining abelian varieties) when n > 1, and are really coextensive with the theory of...

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Arithmetic of abelian varieties

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mathematics, the arithmetic of abelian varieties is the study of the number theory of an abelian variety, or a family of abelian varieties. It goes back to the...

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Abelian group

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In mathematics, an abelian group, also called a commutative group, is a group in which the result of applying the group operation to two group elements...

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Algebraic group

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Another class is formed by the abelian varieties, which are the algebraic groups whose underlying variety is a projective variety. Chevalley's structure theorem...

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Elliptic curve

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Let K be a field over which the curve is defined (that is, the coefficients of the defining equation or equations of the curve are in K) and denote the curve...

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Fourier transform

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differential equations. Many of the equations of the mathematical physics of the nineteenth century can be treated this way. Fourier studied the heat equation, which...

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Homogeneous coordinate ring

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variety has no defining set of equations that is so transparent. Detailed studies, for example of canonical curves and the equations defining abelian...

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Free abelian group

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In mathematics, a free abelian group is an abelian group with a basis. Being an abelian group means that it is a set with an addition operation that is...

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David Mumford

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Geometric Invariant Theory, on the equations defining an abelian variety, and on algebraic surfaces. His books Abelian Varieties (with C. P. Ramanujam) and Curves...

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Prym variety

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"Prym varieties". Complex Abelian Varieties. New York: Springer-Verlag. pp. 363–410. ISBN 3-540-20488-1. Mumford, David (1974), "Prym varieties. I", in...

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Projective variety

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has dimension g. Varieties, such as the Jacobian variety, which are complete and have a group structure are known as abelian varieties, in honor of Niels...

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Heisenberg group

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Mumford for discrete Heisenberg groups, in his theory of equations defining abelian varieties. This is a large generalization of the approach used in Jacobi's...

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Fermat curve

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{\displaystyle n-1.\ } Fermat-style equations in more variables define as projective varieties the Fermat varieties. Baker, Matthew; Gonzalez-Jimenez,...

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Hodge conjecture

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algebraic varieties, can be understood by studying the possible nice shapes sitting inside those spaces, which look like zero sets of polynomial equations. The...

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Algebraic geometry

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algebraic varieties, singularities, moduli, and formal moduli. An important class of varieties, not easily understood directly from their defining equations, are...

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Gauge theory

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group is non-commutative, then the gauge theory is referred to as non-abelian gauge theory, the usual example being the Yang–Mills theory. Many powerful...

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Glossary of arithmetic and diophantine geometry

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primes'. Arithmetic of abelian varieties See main article arithmetic of abelian varieties Artin L-functions Artin L-functions are defined for quite general...

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Abelian integral

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contained in the concept of abelian variety, or more precisely in the way an algebraic curve can be mapped into abelian varieties. Abelian integrals were later...

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Solvable group

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solvable group or soluble group is a group that can be constructed from abelian groups using extensions. Equivalently, a solvable group is a group whose...

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History of manifolds and varieties

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Alternatively, they may be described by polynomial equations, in which case they are called algebraic varieties, and if they additionally carry a group structure...

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Gauge fixing

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any non-abelian gauge theory, any maximal abelian gauge is an incomplete gauge which fixes the gauge freedom outside of the maximal abelian subgroup...

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Group homomorphism

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If G and H are abelian (i.e., commutative) groups, then the set Hom(G, H) of all group homomorphisms from G to H is itself an abelian group: the sum h...

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Group theory

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ways. Abelian varieties have been introduced above. The presence of the group operation yields additional information which makes these varieties particularly...

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