Danny Calegari's Home Page

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Danny Calegari
University Professor (Chair) of Pure Mathematics
E1.04
DPMMS
Cambridge University
01223764270

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Contents


Curriculum Vitae

My Curriculum Vitae is available in TeX, pdf, or HTML.


Publications and work to appear

Mathematical Papers

Papers are listed in roughly the order in which they were published.

    Research Papers

  1. Strong geometric isolation in 3-orbifolds Bull. Austral. Math. Soc. 53 (1996), no. 2, 271-280
  2. R-covered foliations of hyperbolic 3-manifolds Geom. Topol. 3 (1999), 137-153
  3. Foliations transverse to triangulations of 3-manifolds Comm. Anal. Geom. 8 (2000), no. 1, 133-158
  4. A degree one Borsuk-Ulam theorem Bull. Austral. Math. Soc. 61 (2000), no. 2, 267-268
  5. The Gromov norm and foliations Geom. Func. Anal. 10 (2000), no. 6, 1423-1447
  6. The Geometry of R-covered foliations Geom. Topol. 4 (2000), 457-515
  7. Napoleon in isolation Proc. Amer. Math. Soc. 129 (2001), no. 10, 3109-3119
  8. Leafwise smoothing laminations Algebr. Geom. Topol. 1 (2001), 579-585
  9. Almost continuous extension for taut foliations Math. Res. Lett. 8 (2001), no. 5-6, 637-640
  10. Distortion of leaves in product foliations Top. Appl. 124 (2002), no. 2, 205-209
  11. With N. Dunfield - Commensurability of 1-cusped hyperbolic 3-manifolds Trans. Amer. Math. Soc. 354 (2002), no. 7, 2955-2969
  12. Every orientable 3-manifold is a B&Gamma Algebr. Geom. Topol. 2 (2002), 433-447
  13. Problems in foliations and laminations of 3-manifolds Proc. Symp. Pure Math. 71 (2003), 297-335
  14. Foliations with one-sided branching Geom. Dedicata 96 (2003), 1-53
  15. With N. Dunfield - Laminations and groups of homeomorphisms of the circle Invent. Math. 152 (2003), no. 1, 149-204
  16. Circular groups, planar groups, and the Euler class Geom. Topol. Mon. 7 (Proceedings of the Casson Fest) (2004), 431-491
  17. Dynamical forcing of circular groups Trans. Amer. Math. Soc. 358 (2006), no. 8, 3473-3491
  18. With N. Dunfield - An ascending HNN extension of a free group inside SL(2,C) Proc. Amer. Math. Soc. 134 (2006), no. 11, 3131-3136
  19. With D. Gabai - Shrinkwrapping and the taming of hyperbolic 3-manifolds Jour. Amer. Math. Soc. 19 (2006), no. 2, 385-446
  20. Real places and torus bundles Geom. Dedicata 118 (2006), no. 1, 209-227
  21. With M. Freedman, and an appendix by Y. de Cornulier - Distortion in transformation groups Geom. Topol. 10 (2006), 267-293
  22. Promoting essential laminations Invent. Math. 166 (2006), no. 3, 583-643
  23. Universal circles for quasigeodesic flows Geom. Topol. 10 (2006), 2271-2298
  24. Denominator bounds in Thompson-like groups and flows Groups, Geometry, Dynamics 1 (2007), no. 2, 101-109
  25. Stable commutator length in subgroups of PL(I) Pacific J. Math. 232 (2007), no. 2, 257-262
  26. Word length in surface groups with characteristic generating sets Proc. Amer. Math. Soc. 136 (2008), no. 7, 2631-2637
  27. Length and stable length Geom. Func. Anal. 18 (2008), no. 1, 50-76
  28. Nonsmoothable, locally indicable group actions on the interval Algebr. Geom. Topol. 8 (2008), no. 1, 609-613
  29. Surface subgroups from homology Geom. Topol. 12 (2008), 1995-2007
  30. With D. Zhuang - Large scale geometry of commutator subgroups Algebr. Geom. Topol. 8 (2008), no. 4, 2131-2146
  31. Faces of the scl norm ball Geom. Topol. 13 (2009), 1313-1336
  32. Stable commutator length is rational in free groups Jour. Amer. Math. Soc. 22 (2009), no. 4, 941-961
  33. With K. Fujiwara - Stable commutator length in word hyperbolic groups Groups, Geometry, Dynamics 4 (2010), no. 1, 59-90
  34. With M. Freedman and K. Walker - Positivity of the universal pairing in 3 dimensions Jour. Amer. Math. Soc. 23 (2010), 107-188
  35. With K. Fujiwara - Combable functions, quasimorphisms, and the central limit theorem Ergodic Theory Dynam. Systems 30 (2010), no. 5, 1343-1369
  36. Quasimorphisms and laws Algebr. Geom. Topol. 10 (2010), no. 1, 215-217
  37. Chimneys, leopard spots, and the identities of Basmajian and Bridgeman Algebr. Geom. Topol. 10 (2010), no. 3, 1857-1863
  38. Bridgeman's orthospectrum identity Topol. Proc. 38 (2011), 173-179
  39. With J. Louwsma - Immersed surfaces in the modular orbifold Proc. Amer. Math. Soc. 139 (2011), 2295-2308
  40. With H. Sun and S. Wang - On fibered commensurability Pacific J. Math. 250 (2011), no. 2, 287-317
  41. With C. Gordon - Knots with small rational genus Comment. Math. Helv. to appear
  42. Scl, sails and surgery Jour. Topology 4 (2011), no. 2, 305-326
  43. With D. Zhuang - Stable W-length Contemp. Math. 560 (2011), 145-169
  44. With A. Walker - Isometric endomorphisms of free groups New York J. Math. 17 (2011), 713-743
  45. With A. Walker - Ziggurats and rotation numbers J. Mod. Dynamics to appear
  46. With A. Walker - Integer hulls of linear polyhedra and scl in families Trans. Amer. Math. Soc. to appear

    Survey or Expository Papers

  47. Geometry and topology of R-covered foliations Electron. Res. Announc. Amer. Math. Soc. 6 (2000), 31-39
  48. 3-manifold positivity and the topological Cauchy-Schwarz inequality Proc. Conf. Osaka City Univ. "Intelligence of Low-Dimensional Topology" (2007) 65-70
  49. What is . . . stable commutator length? Notices Amer. Math. Soc. 55 (2008), no. 9, 1100-1101
  50. The Euler class of planar groups Contemp. Math. 498 (2009), 141-149

Book Reviews

Short Stories (excerpts)

Miscellaneous


Papers in progress and submission

Preprints

In Preparation

Slides from public talks


Books


Software

Up to date versions of scallop/wallop/etc. can be found on Alden Walker's software page


PhD students supervised

Current students with webpages


Course and seminar home pages

Caltech 2003-:

  • Math. 191e Geometry of infinite groups Winter 2003
  • Math. 157b Introduction to 3-manifolds Spring 2003
  • Math. 191a Foliations and 3-manifolds Fall 2003
  • Math. 2b Differential equations (prac.) Winter 2004
  • Math. 157b Riemannian geometry 2 Spring 2004
  • Math. 131 Algebraic Geometry of Curves Winter 2005
  • Math. 157a Riemannian geometry 1 Winter 2005
  • Math. 2a Differential equations (prac.) Fall 2005,-06,-07,-08
  • Math. 192a Foliations and the geometry of 3-manifolds Fall 2005
  • Math. 157b Riemannian geometry 2 Spring 2006
  • Math. 151b Algebraic topology 2 Winter 2007
  • Math. 151a Algebraic topology 1 Fall 2007
  • Math. 151c Algebraic topology 3 Spring 2008
  • Math. 151a Algebraic topology 1 Fall 2008
  • Math. 192b Stable commutator length Winter 2009
  • Math. 151a Algebraic topology 1 Fall 2009
  • Math. 151b Algebraic topology 2 Winter 2010
  • Math. 157b Riemannian geometry 2 Spring 2010
  • Math. 151b Algebraic topology 2 Winter 2011
  • Math. 151c Algebraic topology 3 Spring 2011

Harvard 2000-2002:

Tokyo Institute of Technology 2007:

Conferences organized:

Current geometry seminar

Seminar archives


Administrative details


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last updated: 3rd November, 2011

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