About Us

Math shortcuts, Articles, worksheets, Exam tips, Question, Answers, FSc, BSc, MSc

More about us

Keep Connect with Us

  • =

Login to Your Account

Topology of Numbers by Allen Hatcher




Topology of Numbers - Table of Contents

  • 0. A Preview
  • 1. The Farey Diagram
  • 2. Continued Fractions
  • 3. Symmetries of the Farey Diagram
  • 4. Quadratic Forms
  • 5. Classification of Quadratic Forms
  • 6. Representations by Quadratic Forms
  • 7. The Class Group for Quadratic Forms
  • 8. Quadratic Fields

What You Will Learn in Topology of Numbers

Topology of Numbers by Allen Hatcher is an innovative, open-access online textbook that bridges geometric topology with foundational number theory. Designed for undergraduate students and research mathematicians, this web edition functions as an engaging reference for topology of numbers problem solving practice.

The book systematically presents Farey diagrams, continued fractions, binary quadratic forms, quadratic fields, and modular groups using explicit topological trees and geometric figures. By replacing abstract algebra with concrete visual intuition, Hatcher enables readers to explore essential quadratic form geometric derivations seamlessly online.

Universally admired for its exquisite illustrations and geometric perspective, this online edition remains a groundbreaking contribution to modern mathematical exposition. Hatcher’s clear web presentation arms learners with vital visual tools necessary for mastering visual number theory principles.

Book Details & Specifications

Title: Topology of Numbers by Allen Hatcher
Publisher: AMS
Year: 2022
Pages: 361
Type: PDF
Language: English
ISBN-10 #: 1470456117
ISBN-13 #: 978-1470456115
License: University Educational Resource
Amazon: Amazon

About the Author: Allen Hatcher

The author Allen Hatcher is Professor Emeritus of Mathematics at Cornell University, world-renowned for his classic textbook Algebraic Topology and his influential contributions to geometric topology.

Throughout his career at Cornell, Professor Hatcher has been celebrated for his intuitive, illustration-driven teaching style and freely accessible web resources, providing generations of mathematicians with authoritative geometric topology study guides.


Free Number Theory Books PDF | Curated Academic Library Index

An Introduction to the Theory of Numbers - Leo Moser | PDF
Download An Introduction to the Theory of Numbers by Leo Moser in PDF. Master divisibility primes congruencies diophantine equations easily.
An Introduction to Number Theory - J. J. P. Veerman | PDF
Download An Introduction to Number Theory by J.J.P. Veerman in PDF. Master divisibility modular arithmetic cryptography prime numbers easily.
Introduction to Number Theory - Joseph Silverman | Free PDF
Download A Friendly Introduction to Number Theory by Joseph Silverman. Explore prime numbers, congruences, Fermat's Last Theorem, and cryptography.
Essays on the Theory of Numbers - Richard Dedekind | PDF
Read Essays on the Theory of Numbers by Dedekind, covering irrational numbers, real numbers continuity infinity natural numbers mathematical induction
Topology of Numbers - Allen Hatcher | Free Online Edition
Access Topology of Numbers by Allen Hatcher free online edition. Master quadratic forms continued fractions farey diagrams quadratic fields easily.

Mathematics Book Categories

Algebra & Precalculus
Basic Algebra
High School Algebra
Higher Algebra
Precalculus
Trigonometry
Algebra & Trigonometry
Calculus
Calculus with Analytical Geometry
Single Variable Calculus
Differential Calculus
Integral Calculus
Multivariable Calculus
Advanced Calculus
Calculus of Variation
Geometry
Elementary Geometry
Analytic Geometry
Differential Geometry
Algebraic Geometry
Non Euclidean Geometry
Computational Geometry
Topology
Linear Algebra
Linear Algebra (Introduction)
Matrix Algebra
Discrete Mathematics
Probability & Statistics
Statistical Inference
Probability & Stochastic
Statistical Learning
Bayesian Statistics
Applied Statistics
Mathematical Analysis
Real Analysis
Complex Analysis
Fourier Analysis
Functional Analysis
Abstract Algebra
Applied Mathematics
Differential Equations
Computational Mathematics
Numerical Analysis
Mathematical Modeling
Mathematical Physics
Engineering Mathematics
History of Mathematics

.