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All Colloquia & Seminars

Current Seminars

  1. Homotopy Types in Low-Dimensional Topology Seminar: Non-Trivial Steenrod Squares on the Khovanov Homology of prime knots

    Location: MSRI: Simons Auditorium, Online/Virtual
    Speakers: Holt Bodish (University of Oregon)

    To participate in this seminar, please register HERE.

    In this talk we take for granted the existence of the Khovanov stable homotopy type and the Steenrod algebra action on Khovanov homology that arises from this construction. We will use basic properties of the behavior of Kh-stable homotopy type under connected sum and the behavior of Khovanov homology under ribbon concordances to show how to propagate non-trivial Sq^n actions on composite knots to prime knots.

    Updated on Sep 21, 2022 03:03 PM PDT
  2. FHT Graduate Student Seminar

    Location: UC Berkeley, 60 Evans Hall
    Speakers: Marcelo Sarkis Atallah (Université de Montréal)

    To participate in this seminar, please register HERE.

    Updated on Sep 21, 2022 10:27 AM PDT

Upcoming Seminars

  1. GT Graduate Student Seminar: The Kapustin-Witten equations and their dimensional reduction

    Location: MSRI: Simons Auditorium, Online/Virtual
    Speakers: Panagiotis Dimakis (Stanford University)

    To participate in this seminar, please register HERE.

    This will be an introduction to Witten's program to obtain topological information about knots from studying solutions of Kapustin-Witten equations. I will state the main conjecture and explain the difficulties involved in proving it. Then I will introduce the dimensional reduction of KW, explain the significance of its solutions to Witten's program and sketch a Kobayashi-Hitchin type correspondence for such solutions. Time permitting I will discuss my own work on the subject and future directions.

    Updated on Sep 23, 2022 09:26 AM PDT
  2. GT Program Seminar: Limiting configuration, spectral data and the SU(1,2) Higgs bundle

    Location: MSRI: Simons Auditorium, Online/Virtual
    Speakers: Xuesen Na (MSRI - Mathematical Sciences Research Institute)

    To participate in this seminar, please register HERE.

    In this talk, we will review Hitchin's self-duality equation and Hitchin fibration in the moduli space of Higgs bundles and the notion of limiting configuration. This is in some sense the limiting of a family of hermitian metrics with diverging Higgs field, which has application in the study of asymptotic geometry of the Hitchin moduli space.

    We will review the gluing technique of Mazzeo, Swoboda, Weiss, Witt on limiting configuration of SL(2,C) Higgs bundles and discuss a new result for real Lie group SU(1,2). One of the main challenges is dealing with complications of considering singular Hitchin fiber and we will also mention an explicit description of spectral data for the SU(1,2) Higgs bundles.

    Updated on Sep 21, 2022 10:18 AM PDT
  3. Q&A Session

    Location: MSRI - Downstairs Deck
    Updated on Sep 16, 2022 09:59 AM PDT
  4. Floer Homotopy Foundations Seminar: A pedagogical introduction to global charts for Hamiltonian Floer trajectories

    Location: MSRI: Simons Auditorium, Online/Virtual
    Speakers: Semen Rezchikov (Princeton University)

    To participate in this seminar, please register HERE.

    I will review the ideas going into a construction of global charts for Hamiltonian Floer trajectories. I will describe a few geometric constructions which, when combined with a soft variant of Abouzaid-McLean-Smith’s global charts and with Bai-Xu’s FOP perturbations, allows for a relatively efficient construction of the Floer complex over the integers. The goal will be primarily to help other symplectic topologists use these methods flexibly in their own work. These methods suffice to prove the Arnol’d Conjecture over the integers.

    Updated on Sep 22, 2022 12:20 PM PDT
  5. What Is Seminar: Deformation Spaces and Index Theory

    Location: MSRI: Baker Board Room
    Speakers: Jesus Sanchez (Pennsylvania State University)

    The Atiyah-Singer index theorem is a landmark result which bridges analysis, geometry, and topology in a striking manner and has subsequently been used in many areas of contemporary mathematics. In this talk I will provide some insight into the modern developments in index theory which aim at broadening the scope of the index theorem. I will focus primarily on the newfound role of deformation spaces in index theory and sketch how one can derive new index theorems in settings where the old techniques cannot be applied.

    Updated on Sep 22, 2022 03:29 PM PDT
  6. 5 Minute Talks

    Location: MSRI: Simons Auditorium, Online/Virtual
    Updated on Sep 13, 2022 04:16 PM PDT
  7. FHT Program Seminar: Symmetry and Sliceness

    Location: MSRI: Simons Auditorium, Online/Virtual
    Speakers: Abhishek Mallick (Max-Planck-Institut für Mathematik)

    To participate in this seminar, please register HERE.

    A knot is called slice if it bounds a smoothly embedded disk in the four-ball. Much of low-dimensional topology revolves around obstructing this property of a knot. In this talk, we will introduce a method of obstructing sliceness which takes into account the actions of different symmetries on the Floer homology group. Using this, we will show that the (2,1)-cable of the figure-eight knot is not slice, answering a 42-year-old question posed by Kawauchi. Historically, this knot gained particular interest since it was regarded as one of the simplest "potential" counter-example to the slice-ribbon conjecture. Our proof also shows that the branched double cover of the aforementioned knot is a cork. This is joint work with Dai, Kang, Park, and Stoffregen.

    Updated on Sep 21, 2022 03:10 PM PDT
  8. FHT Program Seminar: Global charts for higher genus Gromov--Witten moduli spaces

    Location: MSRI: Simons Auditorium, Online/Virtual
    Speakers: Mohan Swaminathan (Princeton University)

    To participate in this seminar, please register HERE.

    I will show how to construct a global Kuranishi chart for Gromov--Witten moduli spaces (parametrizing closed holomorphic curves of some fixed genus in a symplectic manifold) which generalizes the genus 0 construction of Abouzaid--McLean--Smith. The global chart and its smoothness properties allow us to give a simple definition of virtual classes, identify the resulting classes with their algebro-geometric counterparts and prove a torus localization formula in the symplectic setting. This is based on joint work-in-progress with Amanda Hirschi.

    Updated on Sep 21, 2022 03:11 PM PDT
  9. FHT Reading Group: Monopoles and Hilbert schemes

    Location: MSRI: Baker Board Room, Online/Virtual
    Speakers: Eugene Gorsky (University of California, Davis)

    To participate in this seminar, please register HERE.

    The work of Aganagic and her collaborators suggests a relation between the moduli spaces of monopoles and knot homology. I will give an explicit description of the spaces of SU(2) monopoles on R^3 (following Donaldson), discuss their relation to  Hilbert schemes of points, and review some facts about the geometry and topology of these spaces. Recently, Bullimore-Dimofte-Gaiotto and Braverman-Finkelberg-Nakajima related the spaces of monopoles and their cousins to Coulomb branches of supersymmetric gauge theories, these developments will be discussed as well.

    Updated on Sep 23, 2022 10:11 AM PDT
  10. Journal Club

    Updated on Aug 24, 2022 01:41 PM PDT
  11. Diffeomorphisms and Gauge Theory Seminar: Family Seiberg-Witten invariant and nonsymplectic loops of diffeomorphisms

    Location: MSRI: Simons Auditorium, Online/Virtual
    Speakers: Jianfeng Lin (Tsinghua University)

    To participate in this seminar, please register HERE.

    By extending a result of Kronheimer-Mrowka to the family setting, we prove a gluing formula for the family Seiberg-Witten invariant. When the cutting 3-manifold is an L-space, this formula implies a relation between the family Seiberg-Witten invariant, the Seiberg-Witten invariant of the fiber and the index of the family Dirac operator. We use this relation to calculate the Seiberg-Witten invariant of families of 4-manifolds that arise when resolving an ADE singularity using a hyperkähler family of complex structures near the singularity.  Applications include a Z^\infty summand in the fundamental group of Diff(M) for many simply connected 4-manifolds.

    Updated on Sep 22, 2022 11:52 AM PDT
  12. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:26 AM PDT
  13. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:27 AM PDT
  14. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  15. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:27 AM PDT
  16. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:55 AM PDT
  17. FHT Reading Group

    Location: MSRI: Baker Board Room, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:28 AM PDT
  18. Journal Club

    Updated on Aug 24, 2022 01:41 PM PDT
  19. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:29 AM PDT
  20. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:29 AM PDT
  21. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:30 AM PDT
  22. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:30 AM PDT
  23. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  24. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:31 AM PDT
  25. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:55 AM PDT
  26. FHT Reading Group

    Location: MSRI: Baker Board Room, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:31 AM PDT
  27. Journal Club

    Updated on Aug 24, 2022 01:41 PM PDT
  28. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:32 AM PDT
  29. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:33 AM PDT
  30. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:35 AM PDT
  31. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:35 AM PDT
  32. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  33. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:36 AM PDT
  34. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:55 AM PDT
  35. FHT Reading Group

    Location: MSRI: Baker Board Room, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:54 AM PDT
  36. Journal Club

    Updated on Aug 24, 2022 01:41 PM PDT
  37. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 10:55 AM PDT
  38. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:00 AM PDT
  39. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:55 AM PDT
  40. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:10 AM PDT
  41. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:11 AM PDT
  42. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  43. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:11 AM PDT
  44. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:55 AM PDT
  45. FHT Reading Group

    Location: MSRI: Baker Board Room, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:12 AM PDT
  46. Journal Club

    Updated on Aug 24, 2022 01:41 PM PDT
  47. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:12 AM PDT
  48. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:13 AM PDT
  49. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:13 AM PDT
  50. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:20 AM PDT
  51. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  52. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:20 AM PDT
  53. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:55 AM PDT
  54. FHT Reading Group

    Location: MSRI: Baker Board Room, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:22 AM PDT
  55. Journal Club

    Updated on Aug 24, 2022 01:41 PM PDT
  56. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:22 AM PDT
  57. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:23 AM PDT
  58. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:55 AM PDT
  59. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:23 AM PDT
  60. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:24 AM PDT
  61. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  62. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:24 AM PDT
  63. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:27 AM PDT
  64. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:27 AM PDT
  65. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  66. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:27 AM PDT
  67. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:56 AM PDT
  68. FHT Reading Group

    Location: MSRI: Baker Board Room, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:28 AM PDT
  69. Journal Club

    Updated on Aug 24, 2022 01:41 PM PDT
  70. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:28 AM PDT
  71. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:28 AM PDT
  72. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:31 AM PDT
  73. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:31 AM PDT
  74. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  75. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:32 AM PDT
  76. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:56 AM PDT
  77. FHT Reading Group

    Location: MSRI: Baker Board Room, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:36 AM PDT
  78. Journal Club

    Updated on Aug 24, 2022 01:41 PM PDT
  79. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:36 AM PDT
  80. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:37 AM PDT
  81. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:37 AM PDT
  82. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:38 AM PDT
  83. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  84. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:38 AM PDT
  85. Diffeomorphisms and Gauge Theory Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:56 AM PDT
  86. FHT Reading Group

    Location: MSRI: Baker Board Room, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:39 AM PDT
  87. Journal Club

    Updated on Aug 24, 2022 01:41 PM PDT
  88. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:39 AM PDT
  89. FHT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:39 AM PDT
  90. GT Graduate Student Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:40 AM PDT
  91. GT Program Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

    Updated on Sep 15, 2022 11:41 AM PDT
  92. Q&A Session

    Updated on Aug 24, 2022 12:34 PM PDT
  93. Floer Homotopy Foundations Seminar

    Location: MSRI: Simons Auditorium, Online/Virtual

    To participate in this seminar, please register HERE.

     

    Updated on Sep 15, 2022 11:42 AM PDT
  1. 2023 African Diaspora Joint Mathematics Workshop

    The African Diaspora Joint Mathematics Workshop (ADJOINT) will take place at the Mathematical Sciences Research Institute in Berkeley, CA from June 19 to June 30, 2023.

    ADJOINT is a two-week summer activity designed for researchers with a Ph.D. degree in the mathematical sciences who are interested in conducting research in a collegial environment.  

    The main objective of ADJOINT is to provide opportunities for in-person research collaboration to U.S. mathematicians, especially those from the African Diaspora, who will work in small groups with research leaders on various research projects. 

    Through this effort, MSRI aims to establish and promote research communities that will foster and strengthen research productivity and career development among its participants. The ADJOINT workshops are designed to catalyze research collaborations, provide support for conferences to increase the visibility of the researchers, and to develop a sense of community among the mathematicians who attend. 

    The end goal of this program is to enhance the mathematical sciences and its community by positively affecting the research and careers of African-American mathematicians and supporting their efforts to achieve full access and engagement in the broader research community. 

    Each summer, three to five research leaders will each propose a research topic to be studied during a two-week workshop.

    During the workshop, each participant will: 

    • conduct research at MSRI within a group of four to five mathematicians under the direction of one of the research leaders 
    • participate in professional enhancement activities provided by the onsite ADJOINT Director 
    • receive funding for two weeks of lodging, meals and incidentals, and one round-trip travel to Berkeley, CA 

    After the two-week workshop, each participant will:

    • have the opportunity to further their research project with the team members including the research leader 
    • have access to funding to attend conference(s) or to meet with other team members to pursue the research project, or to present results 
    • become part of a network of research and career mentors

    Updated on Sep 19, 2022 11:48 AM PDT

Past Seminars

  1. Seminar Journal Club

    Updated on Sep 15, 2022 09:22 AM PDT
  2. Seminar Q&A Session

    Updated on Sep 14, 2022 02:06 PM PDT
  3. Seminar 5 Minute Talks

    Updated on Sep 02, 2022 03:19 PM PDT
  4. Seminar 5 Minute Talks

    Updated on Sep 02, 2022 03:17 PM PDT
  5. Seminar 5 Minute Talks

    Updated on Sep 02, 2022 03:19 PM PDT
  6. Seminar 5 Minute Talks

    Updated on Sep 02, 2022 03:17 PM PDT
  7. Seminar An Analytic AKE Program

    Updated on Jul 28, 2022 08:51 AM PDT
There are more then 30 past seminars. Please go to Past seminars to see all past seminars.