Digital library
Textbooks, references and open learning resources.

External
Applied Geometric Algebra (Tisza)
László Tisza · Massachusetts Institute of Technology
In the contents: 01: Algebraic Preliminaries · 1.06: The unimodular group SL(n R) and the invariance of volume · 1.07: On alias and alibi. The Object Group

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Introduction to Groups and Geometries
David W. Lyons · Lebanon Valley College
In the contents: 2.03: Subgroups and cosets · 3.01: Geometries and models

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Open Algebra and Knots
Matthew Salomone · Bridgewater State University
In the contents: 02: Knots and Numbers · 03: Knots and Algebra · 3.01: Algebraic Structures

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Abstract Algebra: Theory and Applications
Thomas W. Judson · Stephen F. Austing State University
In the contents: 1.02: Sets and Equivalence Relations · 1.05: References and Suggested Readings · 2.06: References and Suggested Readings

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Elementary Abstract Algebra
W Edwin Clark · University of South Florida
In the contents: 1.08: Cosets and Lagrange's Theorem · 10: Axiomatic Treatment of \(\mathbb{R, N, Z, Q}\) and \(\mathbb{C}\) · 2.04: Partitions and Equivalence Relations

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An Inquiry-Based Approach to Abstract Algebra
Dana Ernst · Northern Arizona University
In the contents: 1.01: What is Abstract Algebra · 03: Subgroups and Isomorphisms · 05: Cosets Lagranges Theorem and Normal Subgroups

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First-Semester Abstract Algebra: A Structural Approach
Jessica K. Sklar · Pacific Lutheran University
In the contents: 2.01: Binary Operations and Structures · 2.05: Group Conventions and Properties · 03: Homomorphisms and Isomorphisms

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Introduction to Algebraic Structures
Tom Denton · Google Research
In the contents: 1.04: Abstraction. What is a group? · 2.01: Symmetry and Functions · 3.04: Cosets and Lagrage's Theorem

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Rings with Inquiry
Michael Janssen & Melissa Lindsey · Dordt University & University of Wisconsin-Madison
In the contents: 1.01: Induction and Well-Ordering · 1.02: Divisibility and GCDs in the Integers · 1.03: Primes and Factorization

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MAT 1350: Precalculus Part I
Jay Abramson · Prince George's Community College
In the contents: 1.01: Real Numbers - Algebra Essentials · 1.02: Exponents and Scientific Notation · 1.03: Radicals and Rational Expressions

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Algebra and Trigonometry
Jay Abramson · Arizona State University
In the contents: 1.02: Real Numbers - Algebra Essentials · 1.2E: Real Numbers - Algebra Essentials (Exercises) · 1.03: Exponents and Scientific Notation

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Phys 111: Physics, Symmetry, and Conservation
Mitch Powers · Gettysburg College
In the contents: 01: Conservation and Symmetry · 1.01: Abstraction and Modeling · 1.1.03: Units and Standards

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Algebra and Trigonometry
Jay Abramson · OpenStax
In the contents: 1.01: Real Numbers - Algebra Essentials · 1.1E: Real Numbers - Algebra Essentials (Exercises) · 1.02: Exponents and Scientific Notation