18 Lectures on K-Theory
by Ioannis P. Zois, 2010, 137 pp, 580KB, PDF

Abel's Theorem and the Allied Theory
by H.F. Baker, 1897, 712 pp, multiple formats

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by J. S. Milne, 2008, 172 pages, 1.2MB, PDF

The Adams-Novikov Spectral Sequence and the Homotopy Groups of Spheres
by Paul Goerss, 2007, 47 pages, 370KB, PDF

Advanced Geometry for High Schools: Synthetic and Analytical
by A.H. McDougall, 1919, 236 pp, multiple formats

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by Alexander I. Bobenko (ed.), 2016, 439 pp, multiple formats

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by Andrew Ranicki, 2002, 380 pp, 2MB, PDF

Algebraic Curves: an Introduction to Algebraic Geometry
by William Fulton, 1969, 129 pages, 0.7MB, PDF

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Algebraic Geometry
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by Kiran Kedlaya, 2009, PDF

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by Martin Olsson, 2003, PDF

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by Paul Vojta, 2005, 620KB, PDF

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by Joseph M. Landsberg, 1998, 70 pages, 630KB, PDF

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by Donu Arapura, 2009, 234 pages, 1.6MB, PDF

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by Hyman Bass, 1968, 793 pp, 35MB, PDF

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by Olivier Isely, 2006, 45 pp, 270KB, PDF

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by A. A. Ranicki, 2011, 365 pp, 1.3MB, PDF

Algebraic Topology
by Allen Hatcher, 2001, 553 pages, 3.5MB, PDF

Algorithms in Real Algebraic Geometry
by S. Basu, R. Pollack, M. Roy, 2009, 672 pages, 4.5MB, PDF

Ample Subvarieties of Algebraic Varieties
by Robin Hartshorne, 1970, 273 pp, 10MB, PDF

Analysis on Homogeneous Spaces
by Ralph Howard, 1994, 108 pages, 780KB, PDF

Analytic Geometry
by L. P. Siceloff, G. Wentworth, D. E. Smith, 1922, 296 pages, 15MB, PDF

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by E.W. Nichols, 1892, 304 pp, multiple formats

Analytic Geometry of Space
by V. Snyder, T.P. Hill, 1914, 322 pp, multiple formats

Analytical Geometry for Beginners
by Alfred Baker, 1905

The Axiomatic Method
by L. Henkin, P. Suppes, A. Tarski, 1959, 508 pp, multiple formats

The Axioms Of Descriptive Geometry
by Alfred North Whitehead, 1914, 96 pp, multiple formats

Brief Introduction to Tropical Geometry
by E. Brugallé, I. Itenberg, G. Mikhalkin, K. Shaw, 2015, 75 pp, 1.2MB, PDF

Categorical Geometry
by Zhaohua Luo, 1998

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by S. Chmutov, S. Duzhin, J. Mostovoy, 2009, 6.7MB, PDF

CK-12 Geometry
by V. Cifarelli, A. Gloag, D. Greenberg, J. Sconyers, B. Zahner, 2009, 810 pages, 96MB, PDF

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by Igor V. Dolgachev, 2012, 721 pp, 4.4MB, PDF

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by Jean Gallier and Dianna Xu, 2009, 134 pages, PDF

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edited by J. E. Goodman, J. Pach, E. Welzl, 2007, 616 pages, PDF

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by Linfan Mao, 2009, 499 pages, 2.9MB, PDF

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by Louis H. Kauffman, 2009, PDF

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by Florentin Smarandache, 2015, 221 pp, 5.3MB, PDF

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by Jean-Pierre Demailly, 2007, 571 pages, 3.6MB, PDF

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by Giampiero Esposito, 1999, 229 pages, PS/PDF

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by Andrew D. Hwang, 1997, 113 pages, 850KB, PDF

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by Katta G. Murty, 2001, 554 pages, PDF

Computational Geometry
by N. Patrikalakis, T. Maekawa, 2003, PDF

Computational Geometry: Methods and Applications
by Jianer Chen, 1996, 227 pages, 1.3MB, PDF

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by D. Eisenbud, D. Grayson, M. Stillman, B. Sturmfels, 2001

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by J. P. May, 1999, 251 pages, 1.6MB, PDF

A Concise Geometry
by Clement V. Durell, 1921, 333 pp, multiple formats

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by F. Przytycki, M. Urbanski, 2009, 362 pages, 2.7MB, PDF

Conic Sections Treated Geometrically
by W. H. Besant, 1895, PDF/TeX

Constructive Geometry
by John G. Kerr, 1904, 135 pp, multiple formats

Contact Geometry
by Hansjoerg Geiges, 2004, 86 pages, 730KB, PDF

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by Luther Pfahler Eisenhart, 1933, 319 pp, multiple formats

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by Tadao Oda, 1988, 219 pp, 21MB, PDF

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Coordinate Geometry
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A Course in Riemannian Geometry
by David R. Wilkins, 2005, 72 pages, 370KB, PDF

Course of Analytical Geometry
by Ruslan Sharipov, 2011, 226 pp, 1.6MB, PDF

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by John Edward Campbell, 1926, 288 pp, multiple formats

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by Ruslan Sharipov, 2004, 132 pages, 1MB, PDF

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by Ruslan Sharipov, 1996, 143 pages, 0.9MB, PDF

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by Lucia Caporaso, et al., 2012, 438 pp, multiple PDF files

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by Herbert Clemens and Janos Kollar, 1996, 172 pages, DVI/PDF

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by Thomas Banchoff, Terence Gaffney, Clint McCrory, 1982

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by S. Hong, J. Kalliongis, D. McCullough, J. H. Rubinstein, 2011, 185 pp, 1.6MB, PDF

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by Nigel Hitchin, 2003, ZIP/PDF

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by C.E. Weatherburn, 1955, 281 pp, multiple formats

Differential Geometry Reconstructed
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by Bjorn Ian Dundas, 2002, 183 pages, 2.2MB, PDF

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by Dirk Schuetz, 2009, 96 pages, 600KB, PDF

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by Karl-Hermann Neeb, 2010, 146 pages, 600KB, PDF

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by M. Desbrun, P. Schroeder, M. Wardetzky, 2008, 103 pages, 42MB, PDF

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edited by Silvio Levy, 1999, PS/PDF

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by Michael Atiyah, 2010, 41 pages, 460KB, PDF

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by Derrick Norman Lehmer, 2005

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by Gilbert Weinstein, 2009, 62 pages, 550KB, PDF

Elementary Geometry: Practical and Theoretical
by C. Godfrey, A. W. Siddons, 1919, 438 pp, multiple formats

Elementary Topology
by O. Ya. Viro, O. A. Ivanov, N. Yu. Netsvetaev, V. M. Kharlamov, 2008, 1.8MB, PDF

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by Charles Smith, 1905, 378 pp, multiple formats

An Elementary Treatise on Coordinate Geometry
by Robert J.T. Bell, 1963, 398 pp, multiple formats

The Elements of Analytic Geometry
by Percey F. Smith, A. S. Gale, 1904, 450 pp, multiple formats

Elements of Analytical Geometry of Two Dimensions
by M. Briot, M. Bouquet, 1896, 602 pp, multiple formats

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by D.M.Y. Sommerville, 1914

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by Horatio Scott Carslaw, 1916

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by William C. Bartol, 1893, 112 pp, multiple formats

Elliptic Curves and Drinfeld Models
by Robert F. Coleman, 2000, PS/DVI

Ends of Complexes
by Bruce Hughes, Andrew Ranicki, 2008, 375 pp, 1.4MB, PDF

Enumerative Geometry
by Andreas Gathmann, 2004, 31 pages, PS/PDF

Equivariant Stable Homotopy Theory
by G. Jr. Lewis, J. P. May, M. Steinberger, J. E. McClure, 1986, 538 pages, 30MB, PDF

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Exact Sequences in the Algebraic Theory of Surgery
by Andrew Ranicki, 1981, 881 pp, 13MB, PDF

Exotic Homology Manifolds
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by Robert L. Bryant, Phillip A. Griffiths, Daniel A. Grossman, 2008, 219 pages, PDF/PS

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by J.L. Heiberg, R. Fitzpatrick, 2008, 545 pp, 4.7MB, PDF

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by Daniel Callahan, 2013, 219 pp, 3.7MB, PDF

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by Robert L. Bryant, et al., 1991, 406 pp, 2.7MB, PDF

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by Danny Calegari, 2007, 371 pages, 3.9MB, PDF

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by Jesper M. Moller, 2010, 75 pages, 840KB, PDF

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by Pierre Schapira, 2011, 78 pp, 470KB, PDF

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by Serge Tabachnikov, 1991, 186 pages, 1.1MB, PDF

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by Christopher Pope, 2008, 181 pages, 1MB, PDF

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by Wong Yan Loi, 1999, 52 pp, 390KB, PDF

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by J. P. May, 1972, 93 pages, 4.8MB, PDF

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by Denis Auroux, 2007, PDF

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by Tomasz Mrowka, 2004, PDF

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by Nigel Hitchin, 2004, ZIP/PDF

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by Kiran S. Kedlaya, 2006, 142 pages, 0.6MB, PDF

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High-dimensional Knot Theory
by Andrew Ranicki, 1998, 693 pages, 3MB, PDF

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by Venugopal, 1958, 135 pp, multiple formats

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by Frederick S. Woods, 1922, 450 pp, multiple formats

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by Andrew Clarke, Bianca Santoro, 2012, 124 pp, 800KB, PDF

Homological Methods in Noncommutative Geometry
by D. Kaledin, 2008, 77 pp, 550KB, PDF

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by Thierry Masson, 2006, 56 pages, 530KB, PDF

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by A. D. Aleksandrov and V. A. Zalgaller, 1967, 327 pages, PDF

Introduction to Algebraic Geometry
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by U. Bruzzo, 2008, 138 pp, 730KB, PDF

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by A. Clement Jones, 1912, 558 pp, multiple formats

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by Claude Sabbah, 2009, 157 pages, 1.2MB, PDF

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by Ana Cannas da Silva, 2007, 158 pages, 810KB, PDF

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by J. H. Heinbockel, 2001, 432 pages, 4MB, ZIP/PDF

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by Bijan Sahamie, 2010, 71 pp, 520KB, PDF

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by Dikran Dikranjan, 2007, 69 pages, 730KB, PDF

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Introductory Lectures on Contact Geometry
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Invariance Theory, the Heat Equation, and the Atiyah-Singer Index Theorem
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Isometrica: A Geometrical Introduction to Planar Crystallographic Groups
by George Baloglou, 2007, 473 pages, 7.3MB, PDF

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Knot Invariants and Higher Representation Theory
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by Vladimir G. Ivancevic, Tijana T. Ivancevic, 2011, 74 pages, 740KB, PDF

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by Jie Wu, 2004, 78 pages, 500KB, PDF

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by Dominic Joyce, 2002, 58 pages, 570KB, PDF

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by L. Schwartz, 1955, 163 pages, 660KB, PDF

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by Vincent Bouchard, 2007, 63 pages, 530KB, PDF

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by Igor Pak, 2008, 428 pages, 3MB, PDF

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