Martin David Palmer -- Talks
Talks
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Past talks — at conferences

(List incomplete before 2013)
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Past talks — seminars (external)

(List incomplete before 2013)
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Past talks — seminars (internal) and reading groups

  • Topology seminar, IMAR — 4 November 2022. "On the lower central series of braid groups and their relatives". Abstract: pdf.
  • GeMAT seminar, IMAR — 5 July 2022. "Homological stability for Hurwitz spaces and the Cohen-Lenstra conjecture" (an expository talk following the 2016 paper of almost the same title by Ellenberg, Venkatesh and Westerland). Abstract: pdf.
  • GeMAT seminar, IMAR — 2 June 2022. "The homotopy type of the cobordism category" (an expository talk following the 2009 paper of the same title by Galatius, Madsen, Tillmann and Weiss). Abstract: pdf. Notes: pdf.
  • GeMAT seminar, IMAR — 14/24 March and 8 April 2022. "Spectrification of Khovanov homology". Abstract: pdf. Notes: talk 1, talk 2, talk 3, combined.
  • Topology seminar, IMAR — 12 November 2021. "Mapping class group representations via Heisenberg and Schrödinger". Abstract: pdf. Notes: pdf.
  • GeMAT seminar, IMAR — 7/13/28 May and 4/11 June 2021. "Moduli spaces of high-dimensional discs (after Watanabe, Weiss, Kupers and Randal-Williams)". Abstract: pdf. Notes: Part 1, Part 2, Part 3, Part 4, Part 5, Combined.
  • Low-dimensional topology group meeting, Oxford — 18 May 2021. "Representations of the Torelli group via the Heisenberg group". Slides: pdf.
  • Reading seminar, Oxford — 16 February 2021. "Signature invariants related to the unknotting number". (Following Charles Livingston's paper 1710.10530 of the same name.) Slides: pdf.
  • Topology seminar, IMAR — 22 and 29 January 2021. "Lower central series of braid-like groups". Abstract: pdf. Slides: Part 1, Part 2.
  • Topology advanced class, Oxford — 7 December 2020. "Manifold calculus and exotic Pontrjagin classes". (Essentially following Michael Weiss' paper 1507.00153.) Slides: pdf.
  • Topology seminar, IMAR — 30 October 2020. "Homology of configuration-section spaces". Abstract: pdf. Slides: pdf.
  • GeMAT seminar, IMAR — 12/19 June and 3/10/17 July 2020. "Kontsevich characteristic classes à la Watanabe". A series of expository talks on the paper of T. Watanabe: Some exotic nontrivial elements of the rational homotopy groups of Diff(S4) (following a similar series of talks that I gave recently at a reading seminar at Oxford). Notes: Part 1, Part 2, Part 3, Part 4, Part 5.
  • Low-dimensional topology reading seminar, Oxford — 12/19 May and 9/16 June 2020. "Kontsevich characteristic classes à la Watanabe". Four talks following the paper of T. Watanabe: Some exotic nontrivial elements of the rational homotopy groups of Diff(S4). Notes: Part 1, Part 2, Part 3, Part 4.
  • GeMAT seminar, IMAR — 10 April 2020. "On motivic cohomological stability for configuration spaces". Abstract: pdf. Slides: pdf.
  • Topology seminar, IMAR — 31 January 2020. "On homological stability for homological representations of braid groups, surface braid groups and loop braid groups". Abstract: pdf.
  • Topology seminar, IMAR — 20 December 2019. "Functorial homological representations of motion groups and mapping class groups, polynomiality and twisted homological stability". Abstract: pdf.
  • GeMAT seminar, IMAR — 11 December 2019. "Constructing homological representations of motion groups and mapping class groups". Abstract: pdf.
  • GeMAT seminar, IMAR — 27 November 2019. "On bases and reducibility for the Lawrence-Bigelow representations of the braid groups". Abstract: pdf.
  • GeMAT seminar, IMAR — 8 November 2019. "On homological stability for Hurwitz spaces and configuration-mapping spaces".
  • Topology seminar, IMAR — 11 October 2019. "On homology of configuration-section spaces".
  • GeMAT seminar, IMAR — 12 September 2019. "Calculating the stable homology of families of configuration spaces and other moduli spaces, IV". Abstract: pdf. (Series abstract: pdf.)
  • GeMAT seminar, IMAR — 31 May 2019. "Calculating the stable homology of families of configuration spaces and other moduli spaces, III". Abstract: pdf. (Series abstract: pdf.)
  • GeMAT seminar, IMAR — 26 April 2019. "Calculating the stable homology of families of configuration spaces and other moduli spaces, II". Abstract: pdf. (Series abstract: pdf.)
  • Topology seminar, Bonn — 9 May 2017
  • Paris 13 — 3 March 2016 — a talk at a groupe de travail on the chain rule in Goodwillie calculus
  • IHP, Paris — 25 January 2016 — a talk at a groupe de travail on the paper of S. Sam and A. Snowden Gröbner methods for representations of combinatorial categories.
  • Paris 7 — 19 January 2016 — a talk at a groupe de travail on the blob complex.
  • Leray reading seminar (Münster) on Functor Calculus — 14 April 2015.
  • Leray reading seminar (Münster) on Functor Calculus — 25 February 2015 — [Notes].
  • Münster Leray seminar — 29 January 2015, "Twisted group-completion and oriented configuration spaces" (about joint work with Jeremy Miller on a version of the McDuff-Segal group-completion theorem for homology with twisted coefficients, and an application of this to the homology of "oriented configuration spaces")
  • Münster Topology Oberseminar — 26 January 2015. I talked about the group-completion theorem and its role in the proof of the main theorem of [Galatius-Randal-Williams, "Stable moduli spaces of high-dimensional manifolds"]. This was part of a thematic semester for the Oberseminar, focusing on the results of this paper.
  • Münster Leray seminar — 30 May 2014 (joint talk with Federico Cantero)
  • Münster Leray seminar — 24 October 2013
  • Münster, Oberseminar Topologie — 27 May 2013
  • Oxford Kinderseminar — 23 January 2013, "Flexagons"

(List incomplete before 2013)
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Slides from some of the above talks

(General disclaimer: these slides were only intended to make sense when combined with me talking about them)
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Posters

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Videos

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