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Written for advanced undergraduate and first-year graduate students, this book aims to introduce students to a serious level of p-adic analysis with important implications for number theory. The main object is the study of G-series, that is, power series y=aij=0 Ajxj with coefficients in an algebraic number field K. These series satisfy a linear differential equation Ly=0 with LIK(x) [d/dx] and have non-zero radii of convergence for each imbedding of K into the complex numbers. They have the further property that the common denominators of the first s coefficients go to infinity geometrically with the index s. After presenting a review of valuation theory and elementary p-adic analysis together with an application to the congruence zeta function, this book offers a detailed study of the p-adic properties of formal power series solutions of linear differential equations. In particular, the p-adic radii of convergence and the p-adic growth of coefficients are studied. Recent work of Christol, Bombieri, André, and Dwork is treated and augmented. The book concludes with Chudnovsky's theorem: the analytic continuation of a G -series is again a G -series. This book will be indispensable for those wishing to study the work of Bombieri and André on global relations and for the study of the arithmetic properties of solutions of ordinary differential equations.

Analyse p-adique --- H-fonction --- H-functie --- H-function --- p-adic analyse --- p-adic analysis --- H-functions --- H-functions. --- p-adic analysis. --- Analysis, p-adic --- Algebra --- Calculus --- Geometry, Algebraic --- Fox's H-function --- G-functions, Generalized --- Generalized G-functions --- Generalized Mellin-Barnes functions --- Mellin-Barnes functions, Generalized --- Hypergeometric functions --- Adjoint. --- Algebraic Method. --- Algebraic closure. --- Algebraic number field. --- Algebraic number theory. --- Algebraic variety. --- Algebraically closed field. --- Analytic continuation. --- Analytic function. --- Argument principle. --- Arithmetic. --- Automorphism. --- Bearing (navigation). --- Binomial series. --- Calculation. --- Cardinality. --- Cartesian coordinate system. --- Cauchy sequence. --- Cauchy's theorem (geometry). --- Coefficient. --- Cohomology. --- Commutative ring. --- Complete intersection. --- Complex analysis. --- Conjecture. --- Density theorem. --- Differential equation. --- Dimension (vector space). --- Direct sum. --- Discrete valuation. --- Eigenvalues and eigenvectors. --- Elliptic curve. --- Equation. --- Equivalence class. --- Estimation. --- Existential quantification. --- Exponential function. --- Exterior algebra. --- Field of fractions. --- Finite field. --- Formal power series. --- Fuchs' theorem. --- G-module. --- Galois extension. --- Galois group. --- General linear group. --- Generic point. --- Geometry. --- Hypergeometric function. --- Identity matrix. --- Inequality (mathematics). --- Intercept method. --- Irreducible element. --- Irreducible polynomial. --- Laurent series. --- Limit of a sequence. --- Linear differential equation. --- Lowest common denominator. --- Mathematical induction. --- Meromorphic function. --- Modular arithmetic. --- Module (mathematics). --- Monodromy. --- Monotonic function. --- Multiplicative group. --- Natural number. --- Newton polygon. --- Number theory. --- P-adic number. --- Parameter. --- Permutation. --- Polygon. --- Polynomial. --- Projective line. --- Q.E.D. --- Quadratic residue. --- Radius of convergence. --- Rational function. --- Rational number. --- Residue field. --- Riemann hypothesis. --- Ring of integers. --- Root of unity. --- Separable polynomial. --- Sequence. --- Siegel's lemma. --- Special case. --- Square root. --- Subring. --- Subset. --- Summation. --- Theorem. --- Topology of uniform convergence. --- Transpose. --- Triangle inequality. --- Unipotent. --- Valuation ring. --- Weil conjecture. --- Wronskian. --- Y-intercept.

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Book 4 in the Princeton Mathematical Series.Originally published in 1941.The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

Topology. --- Analysis situs --- Position analysis --- Rubber-sheet geometry --- Geometry --- Polyhedra --- Set theory --- Algebras, Linear --- Abelian group. --- Additive group. --- Adjunction (field theory). --- Algebraic connectivity. --- Algebraic number. --- Annihilator (ring theory). --- Automorphism. --- Barycentric coordinate system. --- Barycentric subdivision. --- Big O notation. --- Boundary (topology). --- Cantor set. --- Cardinal number. --- Cartesian coordinate system. --- Cauchy sequence. --- Character group. --- Circumference. --- Cohomology. --- Combinatorics. --- Compact space. --- Complete metric space. --- Complex number. --- Computation. --- Continuous function (set theory). --- Continuous function. --- Contractible space. --- Cyclic group. --- Dense set. --- Diameter. --- Dimension (vector space). --- Dimension function. --- Dimension theory (algebra). --- Dimension. --- Dimensional analysis. --- Discrete group. --- Disjoint sets. --- Domain of a function. --- Equation. --- Euclidean space. --- Existential quantification. --- Exponentiation. --- Function (mathematics). --- Function space. --- Fundamental theorem. --- Geometry. --- Group theory. --- Hausdorff dimension. --- Hausdorff space. --- Hilbert cube. --- Hilbert space. --- Homeomorphism. --- Homology (mathematics). --- Homomorphism. --- Homotopy. --- Hyperplane. --- Integer. --- Interior (topology). --- Invariance of domain. --- Inverse system. --- Linear space (geometry). --- Linear subspace. --- Lp space. --- Mathematical induction. --- Mathematics. --- Metric space. --- Multiplicative group. --- N-sphere. --- Natural number. --- Natural transformation. --- Ordinal number. --- Orientability. --- Parity (mathematics). --- Partial function. --- Partially ordered set. --- Point (geometry). --- Polytope. --- Projection (linear algebra). --- Samuel Eilenberg. --- Separable space. --- Separated sets. --- Set (mathematics). --- Set theory. --- Sign (mathematics). --- Simplex. --- Special case. --- Subgroup. --- Subsequence. --- Subset. --- Summation. --- Theorem. --- Three-dimensional space (mathematics). --- Topological group. --- Topological property. --- Topological space. --- Transfinite. --- Transitive relation. --- Unit sphere. --- Upper and lower bounds. --- Variable (mathematics).

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There is a sympathy of ideas among the fields of knot theory, infinite discrete group theory, and the topology of 3-manifolds. This book contains fifteen papers in which new results are proved in all three of these fields. These papers are dedicated to the memory of Ralph H. Fox, one of the world's leading topologists, by colleagues, former students, and friends.In knot theory, papers have been contributed by Goldsmith, Levine, Lomonaco, Perko, Trotter, and Whitten. Of these several are devoted to the study of branched covering spaces over knots and links, while others utilize the braid groups of Artin.Cossey and Smythe, Stallings, and Strasser address themselves to group theory. In his contribution Stallings describes the calculation of the groups In/In+1 where I is the augmentation ideal in a group ring RG. As a consequence, one has for each k an example of a k-generator l-relator group with no free homomorphs. In the third part, papers by Birman, Cappell, Milnor, Montesinos, Papakyriakopoulos, and Shalen comprise the treatment of 3-manifolds. Milnor gives, besides important new results, an exposition of certain aspects of our current knowledge regarding the 3- dimensional Brieskorn manifolds.

Knot theory. --- Group theory. --- Three-manifolds (Topology) --- 3-manifold. --- 3-sphere. --- Additive group. --- Alexander duality. --- Algebraic equation. --- Algebraic surface. --- Algebraic variety. --- Automorphic form. --- Automorphism. --- Big O notation. --- Bilinear form. --- Borromean rings. --- Boundary (topology). --- Braid group. --- Cartesian product. --- Central series. --- Chain rule. --- Characteristic polynomial. --- Coefficient. --- Cohomological dimension. --- Commutative ring. --- Commutator subgroup. --- Complex Lie group. --- Complex coordinate space. --- Complex manifold. --- Complex number. --- Conjugacy class. --- Connected sum. --- Coprime integers. --- Coset. --- Counterexample. --- Cyclic group. --- Dedekind domain. --- Diagram (category theory). --- Diffeomorphism. --- Disjoint union. --- Divisibility rule. --- Double coset. --- Equation. --- Equivalence class. --- Euler characteristic. --- Fiber bundle. --- Finite group. --- Fundamental group. --- Generating set of a group. --- Graded ring. --- Graph product. --- Group ring. --- Groupoid. --- Heegaard splitting. --- Holomorphic function. --- Homeomorphism. --- Homological algebra. --- Homology (mathematics). --- Homology sphere. --- Homomorphism. --- Homotopy group. --- Homotopy sphere. --- Homotopy. --- Hurewicz theorem. --- Infimum and supremum. --- Integer matrix. --- Integer. --- Intersection number (graph theory). --- Intersection theory. --- Knot group. --- Knot polynomial. --- Loop space. --- Main diagonal. --- Manifold. --- Mapping cylinder. --- Mathematical induction. --- Meromorphic function. --- Monodromy. --- Monomorphism. --- Multiplicative group. --- Permutation. --- Poincaré conjecture. --- Principal ideal domain. --- Proportionality (mathematics). --- Quotient space (topology). --- Riemann sphere. --- Riemann surface. --- Seifert fiber space. --- Simplicial category. --- Special case. --- Spectral sequence. --- Subgroup. --- Submanifold. --- Surjective function. --- Symmetric group. --- Symplectic matrix. --- Theorem. --- Three-dimensional space (mathematics). --- Topology. --- Torus knot. --- Triangle group. --- Variable (mathematics). --- Weak equivalence (homotopy theory).

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A general principle, discovered by Robert Langlands and named by him the "functoriality principle," predicts relations between automorphic forms on arithmetic subgroups of different reductive groups. Langlands functoriality relates the eigenvalues of Hecke operators acting on the automorphic forms on two groups (or the local factors of the "automorphic representations" generated by them). In the few instances where such relations have been probed, they have led to deep arithmetic consequences. This book studies one of the simplest general problems in the theory, that of relating automorphic forms on arithmetic subgroups of GL(n,E) and GL(n,F) when E/F is a cyclic extension of number fields. (This is known as the base change problem for GL(n).) The problem is attacked and solved by means of the trace formula. The book relies on deep and technical results obtained by several authors during the last twenty years. It could not serve as an introduction to them, but, by giving complete references to the published literature, the authors have made the work useful to a reader who does not know all the aspects of the theory of automorphic forms.

511.33 --- Analytical and multiplicative number theory. Asymptotics. Sieves etc. --- 511.33 Analytical and multiplicative number theory. Asymptotics. Sieves etc. --- Automorfe vormen --- Automorphic forms --- Formes automorphes --- Representation des groupes --- Representations of groups --- Trace formulas --- Vertegenwoordiging van groepen --- Formulas, Trace --- Discontinuous groups --- Group representation (Mathematics) --- Groups, Representation theory of --- Group theory --- Automorphic functions --- Forms (Mathematics) --- Analytical and multiplicative number theory. Asymptotics. Sieves etc --- Representations of groups. --- Trace formulas. --- Automorphic forms. --- 0E. --- Addition. --- Admissible representation. --- Algebraic group. --- Algebraic number field. --- Approximation. --- Archimedean property. --- Automorphic form. --- Automorphism. --- Base change. --- Big O notation. --- Binomial coefficient. --- Canonical map. --- Cartan subalgebra. --- Cartan subgroup. --- Central simple algebra. --- Characteristic polynomial. --- Closure (mathematics). --- Combination. --- Computation. --- Conjecture. --- Conjugacy class. --- Connected component (graph theory). --- Continuous function. --- Contradiction. --- Corollary. --- Counting. --- Coxeter element. --- Cusp form. --- Cyclic permutation. --- Dense set. --- Density theorem. --- Determinant. --- Diagram (category theory). --- Discrete series representation. --- Discrete spectrum. --- Division algebra. --- Eigenvalues and eigenvectors. --- Eisenstein series. --- Exact sequence. --- Existential quantification. --- Field extension. --- Finite group. --- Finite set. --- Fourier transform. --- Functor. --- Fundamental lemma (Langlands program). --- Galois extension. --- Galois group. --- Global field. --- Grothendieck group. --- Group representation. --- Haar measure. --- Harmonic analysis. --- Hecke algebra. --- Hilbert's Theorem 90. --- Identity component. --- Induced representation. --- Infinite product. --- Infinitesimal character. --- Invariant measure. --- Irreducibility (mathematics). --- Irreducible representation. --- L-function. --- Langlands classification. --- Laurent series. --- Lie algebra. --- Lie group. --- Linear algebraic group. --- Local field. --- Mathematical induction. --- Maximal compact subgroup. --- Multiplicative group. --- Nilpotent group. --- Orbital integral. --- P-adic number. --- Paley–Wiener theorem. --- Parameter. --- Parametrization. --- Permutation. --- Poisson summation formula. --- Real number. --- Reciprocal lattice. --- Reductive group. --- Root of unity. --- Scientific notation. --- Semidirect product. --- Special case. --- Spherical harmonics. --- Subgroup. --- Subset. --- Summation. --- Support (mathematics). --- Tensor product. --- Theorem. --- Trace formula. --- Unitary representation. --- Weil group. --- Weyl group. --- Zero of a function.