Quelques prépublications et publications de B. Keller

• Publications and preprints
  
• Talks, courses, presentations ...

Publications and preprints

With Rei Inoue, Osamu Iyama, Atsuo Kuniba and Tomoki Nakanishi: Periodicities of T and Y-systems, dilogarithm identities, and cluster algebras II: Types C_r, F_4, and G_2, preprint, January 2010, 37 pages.

With Rei Inoue, Osamu Iyama, Atsuo Kuniba and Tomoki Nakanishi: Periodicities of T and Y-systems, dilogarithm identities, and cluster algebras I: Type B_r, preprint, January 2010, 35 pages.

The periodicity conjecture for pairs of Dynkin diagrams, preprint, January 2010, last modified on January 24, 2010.

Algèbres amassées et applications, Séminaire Bourbaki, Exposé 1014, novembre 2009, 27 pages.

With an appendix by Michel Van den Bergh: Deformed Calabi-Yau completions, preprint, August 2009, last modified on September 28, 2009.

With Dong Yang: Derived equivalences from mutations of quivers with potential, preprint, June 2009, last modified on May 31, 2009.

With Wendy Lowen and Pedro Nicolás Zaragoza: On the vanishing of some "derived" categories of curved dg algebras, preprint, May 2009, last modified on May 23, to appear in Journal of Pure and Applied Algebra.

With Dong Yang and Guodong Zhou: The Hall algebra of a spherial object, Journal of the London Mathematical Society 2009; doi: 10.1112/jlms/jdp054.

Cluster algebras, quiver representations and triangulated categories, submitted to the proceedings of the Workshop on Triangulated Categories (Leeds, 2006), preprint, July 2008, last modified on December 30, 2009.

After Bernard Leclerc: Cluster algebras and quantum affine algebras, pdf, Oberwolfach report 5 (2008), 455-458.

With Michel Van den Bergh: On two examples by Iyama and Yoshino (dvi 98 K), pdf (284 K), preprint, March 2008, last modified on March 7, 2008.

With Wendy Lowen: On Hochschild Cohomology and Morita Deformations, International Mathematics Research Notices 2009; doi: 10.1093/imrp/rnp050

Calabi-Yau triangulated categories (dvi 160 K), pdf (302 K), in: Trends in Representation Theory of Algebras, edited by A. Skowronski, European Mathematical Society, Zurich, 2008. correction

Categorification of acyclic cluster algebras: an introduction (dvi 82 K), pdf (269 K), preprint, November 2007, last modified on November 18.

With Changjian Fu: On cluster algebras with coefficients and 2-Calabi-Yau categories (dvi 135 K), pdf (324 K), Trans. Amer. Math. Soc. 362 (2010), 859-895.

With Raika Dehy: On the combinatorics of rigid objects in 2-Calabi-Yau categories (dvi 55 K), pdf (212 K), preprint, September 2007, last modified on April 14, 2008. Published in International Mathematics Research Notices 2008 2008: rnn029-17

With Igor Burban, Osamu Iyama and Idun Reiten: Cluster tilting for one-dimensional hypersurface singularities (dvi 290 K), pdf (394 K), Advances in Mathematics, Volume 217, Issue 6, 1 April 2008, Pages 2443-2484

With Dieter Happel and Idun Reiten: Bounded derived categories and repetitive algebras (dvi 143 K), pdf (289 K), Journal of Algebra, Volume 319, Issue 4, 15 February 2008, Pages 1611-1635.

With Oleksandr Manzyuk: Equalizers in the category of cocomplete cocategories (dvi 66 K), ps (372 K), pdf (232 K), Journal of homotopy and related structures 2 (2007), 85-97.

With Idun Reiten: Acyclic Calabi-Yau categories are cluster categories (dvi 84 K), with an appendix by Michel Van den Bergh, abstract, pdf (243 K), Compositio Mathematica, Volume 144, Issue 05, Sep 2008, pp 1332-1348.

With Alberto Cattaneo, Charles Torossian and Alain Bruguières, Déformation, Quantification, Théorie de Lie, Panoramas et Synthèses 20 (2005), viii+186 pages, cf. also the EMALCA notes below.

Appendix to a paper by Georges Maltsiniotis: Appendice : Le dérivateur triangulé associé à une catégorie exacte, Contemporary Mathematics, Volume 431, 2007, 369-373.

With Idun Reiten: Acyclic Calabi-Yau categories are cluster categories (dvi 10 K), ps (551 K), pdf (342 K), Oberwolfach report, preprint, May 2006, last modified on May 15, 2006.

On differential graded categories (dvi, 154 K), ps (551 K), abstract, pdf (342 K), preprint, January 2006, last modified on June 19, 2006. 23 pages. Appeared in: International Congress of Mathematicians. Vol. II, 151--190, Eur. Math. Soc., Zürich, 2006.

With Idun Reiten: Cluster tilted algebras are Gorenstein and stably Calabi-Yau (dvi, 113 K), abstract, ps (476 K), pdf (289 K), preprint, December 2005, last modified on November 5, 2006, 22 pages. Appeared in Adv. Math. 211 (2007), 123-151

A-infinity algebras, modules and functor categories (dvi, 141 K), abstract, ps (781 K), pdf (272 K), preprint, Contribution to the Proceedings of the workshop of the ICRA XI (Querétaro, México, 2004), October 2005, last modified on April 4, 2006, 28 pages.

With P. Caldero: From triangulated categories to cluster algebras II (dvi, 116 K), abstract, ps (289 K), pdf (475 K), preprint, October 2005, last modified on April 12, 2006, 23 pages. Appeared in Ann. Sci. École Norm. Sup. (4) 39 (2006), no. 6, 983-1009.

With P. Caldero: From triangulated categories to cluster algebras (dvi, 176 K), abstract, ps (600 K), pdf (367 K), Inv. Math. 172 (2008), 169-211.

On triangulated orbit categories, Documenta Math. 10 (2005), 551-581. Available at Documenta Mathematica, Band 10, Corrections.

Derived categories and tilting (dvi 243 K, without the final figure), abstract, postscript (1025 K), pdf (418 K), January 2004, last modified on March 1, 2005.

Derived invariance of higher structures on the Hochschild complex, (dvi 108 K), abstract, postscript (432 K), pdf (248 K), August 2003, last modified on May 15, 2003.

Joint with Amnon Neeman: The Connection Between May's Axioms for a Triangulated Tensor Product and Happel's Description of the Derived Category of the Quiver D_4, Doc. Math. J. DMV 7 (2002), 535-560. Available at Documenta Mathematica, Band 7.

Hochschild cohomology and derived Picard groups (dvi 73 K), abstract, Journal of Pure and Applied Algebra, 190 (2004), 177-196, postscript (413 K), pdf (249 K), last modified on September 25, 2003.

A-infinity algebras in representation theory (dvi 48 K), Contribution to the Proceedings of ICRA IX, Beijing 2000, abstract, postscript (188 K), last modified on July 4, 2001.

Bimodule complexes via strong homotopy actions (dvi 106 K), Algebras and Representation theory, Vol. 3, 2000, 357-376, abstract, postscript (379 K).

Failure of Brown representability in derived categories (dvi 96 K), joint with Dan Christensen and Amnon Neeman, Topology, 40 (6) (2001), 1339-1361. abstract, postscript (193 K).

Introduction to A-infinity algebras and modules and Addendum (dvi 128 K, no figures!), Homology, Homotopy and Applications 3 (2001), 1-35. abstract, postscript and Addendum (427 K, includes figures).

On the cyclic homology of ringed spaces and schemes (pdf, 270 K), Doc. Math. J. DMV 3 (1998), 231-259. Available at Documenta Mathematica, Band 3.

On the cyclic homology of exact categories (dvi 207 K), Journal of Pure and Applied Algebra 136 (1999), 1-56, abstract, postscript (380 K) corrections, ps.

Introduction to abelian and derived categories (dvi 76 K), in Representations of Reductive Groups, edited by R. W. Carter and M. Geck, Cambridge University Press 1998, 41-62. abstract, postscript (187 K), pdf (195 K)

Derived categories and their uses (dvi 111 K), Chapter of the Handbook of algebra, Vol. 1, edited by M. Hazewinkel, Elsevier 1996. postscript (254 K), pdf (234 K).

Basculement et homologie cyclique (dvi 74 K), Exposé de synthèse donné au Colloque du Contact Franco-Belge, Reims, Juin 1995. abstract, postscript (160 K).

Invariance and Localization for Cyclic Homology of DG algebras (pdf 387 K), Journal of Pure and Applied Algebra, 123 (1998), 223-273. abstract.

On the construction of triangle equivalences (dvi 92 K), Contribution to S. König, A. Zimmermann, Derived equivalences of group rings, Lecture notes in Mathematics 1685, Springer, Berlin, Heidelberg, 1998. (expanded notes of a series of 3 lectures at a Summer School in Pappenheim, Bavaria). abstract, postscript (194 K).

A remark on the generalized smashing conjecture (dvi 18 K), Manuscripta Mathematica 84 (1994), 193-198, abstract. postscript (200 K), pdf (117 K).

Deriving DG categories (dvi 155 K), Ann. Scient. Ec. Norm. Sup. 27 (1994), 63 - 102. abstract. postscript (319 K), pdf (331 K), corrections, ps.

Derived categories and universal problems (dvi 161 K), Communications in Algebra 19 (1991), 699-747. pdf (288 K).

Chain complexes and stable categories (dvi 158 K), Manuscripta Mathematica 67 (1990), 379-417. pdf (243 K).

Joint with D. Vossieck: Aisles in derived categories (dvi 63 K), Bull. Soc. Math. Belg. 40 (1988), 239-253. abstract. postscript (279 K), pdf (156 K).

Joint with D. Vossieck: Dualité de Grothendieck-Roos et basculement (dvi 29 K), C. R. Acad. Sci. Paris 307 (1988), 543-546. abstract. postscript (203 K), pdf (116 K). English version: Grothendieck-Roos duality and tilting (dvi 28 K), abstract. postscript (203 K), pdf (117 K).

Joint with D. Vossieck: Sous les catégories dérivées (scanned pdf 266 K), C. R. Acad. Sci. Paris 305 (1987), 225-228. abstract.

Talks, courses, presentations, software ...

Quiver mutation and derived equivalence, Amsterdam (5ECM, July 2008).

On differential graded categories, presentation, Madrid (August 06), Valladolid (August 06).

A characterization of cluster categories, presentation, Leeds (August 06), Granada (September 06), Boston (September 07, includes example based on quiver mutation).

Three small triangulated categories, javaview illustrations.

Root systems of type A3, B3 and C3, javaview illlustrations.

Quiver mutation, java program which implements Fomin-Zelevinsky's mutation rules for quivers, cluster variables and denominator vectors.

Cluster algebras and quiver representations (dvi, 36K), pdf (173 K), extended abstract and references for a minicourse given at the 2006 Summer School of the International Research Training Group Metz-Paderborn.

A brief introduction to A-infinity algebras (pdf 134 K), Notes of a 90-minute talk given at the Workshop on Derived Categories, Quivers and Strings, 2 to 6 August 2004, Edinburgh, 7 pages, last modified in October 2004.

Koszul duality and coderived categories (after K. Lefèvre), (dvi 23 K), abstract, postscript (290 K), pdf (176 K), October 2, 2003, last modified on April 4, 2006.

Introduction to Kontsevich's quantization theorem, Notes covering the material of a minicourse given at the EMALCA III, Morelia (México), August 2003. Version of January 28, 2004. pdf file (444 K), ps file (1515 K), ps.gz file (767 K).

Cristal 1.9, a Macintosh program for drawing periodic motives in the plane, made in 1994 for system 7.