Mathematics Library

Texts and lecture notes, from first courses to research. Free to read is selected by default. Browse subject cards · Reading paths · Essays & popular mathematics

419 results · page 17 of 17

The Topology of Fiber Bundles

Develops locally trivial fibrations, vector and principal bundles, classifying spaces and characteristic classes, with connections and curvature.

Read PDF Official source
Details and sources

The Topology of Fiber Bundles

Ralph L. Cohen · Long lecture notes · Graduate · English

PDF

Public full text; checked against the title and contents.

Develops locally trivial fibrations, vector and principal bundles, classifying spaces and characteristic classes, with connections and curvature.

Preparation: Algebraic topology; smooth manifolds.

Use: Begin with Chapter 1 for examples, then study the classification chapter.

Version: Author lecture manuscript, 178 PDF pages · Checked 2026-11-03

Found via — References: The Topology of Fiber Bundles

The Two Cultures of Mathematics

Gowers discusses theory-building and problem-solving, using combinatorics to examine mathematical value and communication.

Read PDF Official source
Details and sources

The Two Cultures of Mathematics

Timothy Gowers · Mathematical essay · Intermediate · English

PDF

Free PDF at the author or authorized archive.

Gowers discusses theory-building and problem-solving, using combinatorics to examine mathematical value and communication.

Preparation: Some undergraduate mathematics helps with examples.

Use: Read a mathematician’s perspective on different research styles.

Version: Author manuscript for Mathematics: Frontiers and Perspectives (2000) · Checked 2026-10-13

The Weil Conjecture II

Develops the theory of weights in étale cohomology, extending the framework of the Weil conjectures.

Read PDF Official source
Details and sources

The Weil Conjecture II

Pierre Deligne · Research paper · Research · French

PDF

Public full text; checked against the title and contents.

Original title: La conjecture de Weil. II

Develops the theory of weights in étale cohomology, extending the framework of the Weil conjectures.

Preparation: Etale cohomology; l-adic sheaves; arithmetic geometry.

Use: A later research reference after a full course in etale cohomology.

Version: 1980; IHES 52, 137–252 · Checked 2026-11-03

Found via — References: La conjecture de Weil. II

Theory of Bergman Spaces (I)

Analytic Lp spaces on the disc are developed through growth estimates, reproducing kernels, density and bounded Bergman projections.

Read PDF Official source
Details and sources

Theory of Bergman Spaces (I)

Petros Galanopoulos · Lecture notes · Graduate · English

PDF

The complete 35-page author-submitted seminar manuscript opened on arXiv.

Analytic Lp spaces on the disc are developed through growth estimates, reproducing kernels, density and bounded Bergman projections.

Preparation: Single-variable complex analysis, Lebesgue integration and Lp spaces.

Use: Enter analytic function-space theory after core complex analysis. This entry covers the complete first seminar manuscript, not the entire later seminar series.

Version: arXiv v1, January 9, 2008; PDF title page says Heraklion 2005 · Checked 2026-10-13

This Week’s Finds in Mathematical Physics

An interconnected tour of mathematical physics, categories, topology, geometry and algebra.

Read online
Details and sources

This Week’s Finds in Mathematical Physics

John C. Baez · Expository essay collection · Intermediate · English

Online text

Full text on the author’s website or archive.

An interconnected tour of mathematical physics, categories, topology, geometry and algebra.

Preparation: Preparation varies by issue; undergraduate mathematics helps.

Use: Browse connections between subjects; read the collection as one resource.

Version: Original 300 issues, 1993–2010; later columns also linked · Checked 2026-10-13

Topics in Random Matrix Theory

Probability tools and spectral methods leading to semicircle and circular laws, free probability and Gaussian ensembles.

Read PDF Official source
Details and sources

Topics in Random Matrix Theory

Terence Tao · Author book manuscript · Graduate · English

PDF

The complete manuscript opens publicly from the author’s book page and WordPress-hosted PDF.

Probability tools and spectral methods leading to semicircle and circular laws, free probability and Gaussian ensembles.

Preparation: Linear algebra; probability; graduate measure theory.

Use: Bridge to rigorous random-matrix research through exercises.

Version: Author-hosted notes; date not stated · Checked 2026-10-13

Topological Hochschild Homology and Integral p-adic Hodge Theory

Connects topological Hochschild and cyclic homology to integral p-adic comparison theory.

Read PDF Official source
Details and sources

Topological Hochschild Homology and Integral p-adic Hodge Theory

Bhargav Bhatt, Matthew Morrow and Peter Scholze · Foundational research paper · Research · English

PDF

Connects topological Hochschild and cyclic homology to integral p-adic comparison theory.

Preparation: BMS integral theory; spectra; THH and TC.

Use: Connect arithmetic geometry with stable homotopy theory.

Version: Published 2019; author version · Checked 2026-10-11

Topology

English title: Topology. A course in sets, general topological spaces, compactness and separation, followed by an introduction to homotopy.

Read PDF Official source
Details and sources

Topology

Christian Berg · Course notes · Intermediate · Danish

PDF

Complete 150-page department-issued book opened through the University of Copenhagen archive.

Original title: Topologi

English title: Topology. A course in sets, general topological spaces, compactness and separation, followed by an introduction to homotopy.

Preparation: Metric spaces, sets and elementary group theory; complex analysis is helpful for the homotopy material.

Use: Move from metric topology toward more general spaces and elementary algebraic topology.

Version: 2001 printing; preface June 2001 · Checked 2026-10-13

Topology of Numbers

Develops elementary number theory through Farey diagrams, continued fractions and quadratic forms. Offers a geometric route toward class groups.

Read PDF Official source
Details and sources

Topology of Numbers

Allen Hatcher · Textbook · Intermediate · English

PDF

Full author/institution PDF; check source terms before any redistribution.

Develops elementary number theory through Farey diagrams, continued fractions and quadratic forms. Offers a geometric route toward class groups.

Preparation: Integer arithmetic and proof-writing; extra algebra for advanced sections.

Version: Print 2022; author PDF is a minor revision · Checked 2026-10-11

Topology Without Tears

A first course emphasizing topological definitions and proof practice. Useful before algebraic topology; elementary prerequisites do not mean the abstractions require little effort.

Read PDF
Details and sources

Topology Without Tears

Sidney A. Morris · Textbook · Introductory · English (legacy metadata)

PDF

A first course emphasizing topological definitions and proof practice. Useful before algebraic topology; elementary prerequisites do not mean the abstractions require little effort.

Preparation: Sets, functions and proof techniques.

Legacy entry retained from October 8, 2026

Topology: Course Notes 拓扑学

A course connecting point-set topology with fundamental groups and covering spaces. The introduction states that this 2021 lecture series is no longer being updated.

Read online
Details and sources

Topology: Course Notes

方恪身 (Kesheng Fang) · Course notes · Intermediate · Chinese

Online text

Online lecture text; chapters can be read separately.

Original title: 拓扑学

A course connecting point-set topology with fundamental groups and covering spaces. The introduction states that this 2021 lecture series is no longer being updated.

Preparation: Sets, maps and elementary group theory.

Use: Follow the topology chapters before the fundamental-group and covering-space material.

Version: Spring 2021 course; no longer updated · Checked 2026-11-03

Toposes, Triples and Theories

Develops categorical foundations, toposes, monads and algebraic theories, with structural theorems connecting them.

Read PDF Official source
Details and sources

Toposes, Triples and Theories

Michael Barr and Charles Wells · Authorized open reprint · Research · English

PDF

Complete authorized journal reprint; private download and printing permitted.

Develops categorical foundations, toposes, monads and algebraic theories, with structural theorems connecting them.

Preparation: A first category theory course; algebra and some topology.

Use: Continue from basic categories to categorical algebra and topos theory.

Version: Version 1.1; TAC Reprints No. 12, June 15, 2005 · Checked 2026-10-13

Transcendental Number Theory

Moves from classical transcendence proofs to rational approximation and bounds for algebraic numbers.

Read PDF Official source
Details and sources

Transcendental Number Theory

Kannan Soundararajan; notes by Ian Petrow · Lecture-course transcription · Graduate · English

PDF

Full PDF opened publicly on the author or university host.

Moves from classical transcendence proofs to rational approximation and bounds for algebraic numbers.

Preparation: Real and complex analysis; algebraic numbers.

Use: Bridge Diophantine approximation and transcendence.

Version: September 19, 2011 notes for Math 249A, Fall 2010 · Checked 2026-10-13

Triangulated Categories of Mixed Motives

Builds motivic categories and the six-operation formalism in a systematic treatment.

Read PDF Official source
Details and sources

Triangulated Categories of Mixed Motives

Denis-Charles Cisinski and Frédéric Déglise · Research monograph · Research · English

PDF

Builds motivic categories and the six-operation formalism in a systematic treatment.

Preparation: Schemes; triangulated categories; motivic homotopy theory.

Use: Long-term reference for motives and functoriality.

Version: 2019 arXiv version; latest version on arXiv · Checked 2026-10-11

Two Minicourses on Analytic Microlocal Analysis

Two courses develop FBI transforms, holomorphic weighted spaces and analytic microlocal techniques, including analytic WKB constructions.

Read PDF Official source
Details and sources

Two Minicourses on Analytic Microlocal Analysis

Michael Hitrik and Johannes Sjöstrand · Lecture notes · Research · English

PDF

The complete 70-page author-submitted manuscript opened on arXiv.

Two courses develop FBI transforms, holomorphic weighted spaces and analytic microlocal techniques, including analytic WKB constructions.

Preparation: Smooth microlocal analysis, complex analysis and graduate PDE.

Use: Learn the analytic counterpart of smooth pseudodifferential and Fourier-integral methods.

Version: arXiv manuscript, August 2015 · Checked 2026-10-13

Vector Bundles & K-Theory

Available portions cover vector bundles, characteristic classes and complex Bott periodicity. The author says only about half the planned book is posted.

Read PDF Official source
Details and sources

Vector Bundles & K-Theory

Allen Hatcher · Unfinished book draft · Graduate · English

PDF

Available portions cover vector bundles, characteristic classes and complex Bott periodicity. The author says only about half the planned book is posted.

Preparation: Algebraic topology; linear algebra.

Use: Learn topological K-theory foundations; do not treat the draft as complete.

Version: Version 2.2, November 2017; partial book draft · Checked 2026-10-11

Full-text source checked: 2026-11-03

Found via — References: Vector Bundles and K-Theory

What Is Differential Geometry? Curves and Surfaces

A visual, problem-centered approach to classical curves and surfaces. Emphasizes essential techniques; the authors describe its presentation as elementary and 'virtually rigorous'.

Read PDF Official source
Details and sources

What Is Differential Geometry? Curves and Surfaces

Anton Petrunin and Sergio Zamora Barrera · Lecture text · Introductory · English (legacy metadata)

PDF

A visual, problem-centered approach to classical curves and surfaces. Emphasizes essential techniques; the authors describe its presentation as elementary and 'virtually rigorous'.

Preparation: Multivariable calculus; linear algebra.

Legacy entry retained from October 8, 2026

What Is Good Mathematics?

Examines multiple sources of mathematical value and the connections that can develop between them.

Read PDF Official source
Details and sources

What Is Good Mathematics?

Terence Tao · Mathematical essay · Intermediate · English

PDF

Free PDF at the author or authorized archive.

Examines multiple sources of mathematical value and the connections that can develop between them.

Preparation: Some experience with undergraduate mathematics.

Use: Reflect on mathematical taste and choices of research problems.

Version: 2007 author preprint · Checked 2026-10-13

Yet Another Calculus Text: A Short Introduction with Infinitesimals

A compact treatment of differential and integral calculus that uses infinitesimals to explain derivatives and accumulation.

Read PDF Official source
Details and sources

Yet Another Calculus Text: A Short Introduction with Infinitesimals

Dan Sloughter · Textbook · Intermediate · English

PDF

Complete 147-page PDF linked by the author; title page and Creative Commons notice inspected.

A compact treatment of differential and integral calculus that uses infinitesimals to explain derivatives and accumulation.

Preparation: Algebra and trigonometry; prior exposure to calculus is helpful.

Use: Revisit calculus through an infinitesimal formulation.

Version: May 10, 2007 · Checked 2026-10-13