TY - BOOK AU - Pollack, Paul, AU - Pollack, Paul, TI - A conversational introduction to algebraic number theory: : arithmetic beyond Z T2 - Student mathematical library, v. 84 SN - 978147044890 U1 - 512.74 POL PY - 2017/// CY - Providence, Rhode Island PB - : AMS, American Mathematical Society, KW - Mathematics KW - Algebra KW - Algebraic number theory KW - Number theory -- Algebraic number theory: global fields -- Algebraic number theory: global fields N1 - Getting our feet wetCast of charactersQuadratic number fields: First stepsParadise lost--and foundEuclidean quadratic fieldsIdeal theory for quadratic fieldsPrime ideals in quadratic number ringsUnits in quadratic number ringsA touch of classMeasuring the failure of unique factorizationEuler's prime-producing polynomial and the criterion of Frobenius-RabinowitschInterlude: Lattice pointsBack to basics: Starting over with arbitrary number fieldsIntegral bases: From theory to practice, and backIdeal theory in general number ringsFiniteness of the class group and the arithmetic of $\overline{\mathbb{Z}}$Prime decomposition in general number ringsDirichlet's units theorem, IA case study: Units in $\mathbb{Z}[\sqrt[3]{2}]$ and the Diophantine equation $X^3-2Y^3=\pm1$Dirichlet's units theorem, IIMore Minkowski magic, with a cameo appearance by HermiteDedekind's discriminant theoremThe quadratic Gauss sumIdeal density in quadratic number fieldsDirichlet's class number formulaThree miraculous appearances of quadratic class numbersIndex ER -