Picard–Vessiot theory which was initiated by Émile Picard and Ernest Vessiot, and whose recent developments are called differentialGaloistheory. The impossibility...
hypergeometric equation. In differentialGaloistheory the case of algebraic solutions is that in which the differentialGalois group G is finite (equivalently...
Évariste Galois coined the term "group" and established a connection, now known as Galoistheory, between the nascent theory of groups and field theory. In...
problem of Galoistheory Given a group G, find an extension of the rational number or other field with G as Galois group. DifferentialGaloistheory The subject...
commutative algebra, Galoistheory of rings, algebraic geometry, algebraic groups, representations of groups and differentialGaloistheory. He has also published...
involving a given set of operations DifferentialGaloistheory – Study of Galois symmetry groups of differential fields Elementary function arithmetic –...
set of operations DifferentialGaloistheory – Study of Galois symmetry groups of differential fields Liouville's theorem (differential algebra) – Says...
was to the theory of differential equations. On the model of Galoistheory and polynomial equations, the driving conception was of a theory capable of...
as a fallback DifferentialGaloistheory – Study of Galois symmetry groups of differential fields Differentially closed field Differential graded algebra –...
x^{x}\,\mathrm {d} x.} For a more detailed discussion, see also DifferentialGaloistheory. Finding antiderivatives of elementary functions is often considerably...
[F(x) : F(y)]. This extension is generally not Galois but has Galois closure L(f). The associated Galois group of the extension [L(f) : F(y)] is called...
variety Theta function Grassmannian Flag manifold Weil restriction DifferentialGaloistheory Prime ideal Valuation (algebra) Krull dimension Regular local...
closed-form antiderivatives; this study forms the subject of differentialGaloistheory, which was initially developed by Joseph Liouville in the 1830s...
was to the theory of differential equations. On the model of Galoistheory and polynomial equations, the driving conception was of a theory capable of...
algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical...
algebraic differential operators can also be defined. They are studied in a purely algebraic setting in differentialGaloistheory and the theory of D-modules...
the same as cohomology theories?". MathOverflow. Switzer 1975, 7.68. Dieudonné, Jean (1989), History of Algebraic and Differential Topology, Birkhäuser...