Home > Research > Researchers > Dr Yemon Choi > Activities

Dr Yemon Choi

Senior Lecturer in Pure Mathematics

  1. 2024
  2. Homological invariants of Fourier algebras

    Choi, Y. (Keynote speaker)

    12/07/2024

    Activity: Talk or presentation typesInvited talk

  3. Banach algebra extensions of C*-algebras

    Choi, Y. (Speaker)

    5/07/2024

    Activity: Talk or presentation typesInvited talk

  4. UK Operator Algebras Conference

    Choi, Y. (Participant)

    12/06/202414/06/2024

    Activity: Participating in or organising an event typesParticipation in conference - Academic

  5. David Blecher

    Choi, Y. (Host) & Daws, M. (Host)

    3/06/20247/06/2024

    Activity: Hosting a visitor typesHosting an academic visitor

  6. NBFAS Meeting, Lancaster University

    Choi, Y. (Organiser)

    4/04/20245/04/2024

    Activity: Participating in or organising an event typesParticipation in conference - Academic

  7. BIRS Research in Teams: Homological invariants of Fourier algebras

    Choi, Y. (Organiser) & Ghandehari, M. (Organiser)

    2/03/202410/03/2024

    Activity: Participating in or organising an event typesParticipation in conference - Academic

  8. Jorge Galindo

    Choi, Y. (Host) & Daws, M. (Host)

    26/02/202429/02/2024

    Activity: Hosting a visitor typesHosting an academic visitor

  9. 2023
  10. Internal examiner for a PhD viva (Mathematics)

    Choi, Y. (Examiner)

    18/10/2023

    Activity: Examination typesExamination

  11. Dual convolution for the affine group of the real line

    Choi, Y. (Invited speaker)

    18/07/2023

    Activity: Talk or presentation typesInvited talk

  12. Derivations and 2-cocycles on Fourier algebras of connected groups

    Choi, Y. (Keynote speaker)

    15/06/2023

    Activity: Talk or presentation typesInvited talk

  13. Alternating cocycles on Fourier algebras of Lie groups

    Choi, Y. (Keynote speaker)

    12/01/2023

    Activity: Talk or presentation typesInvited talk

  14. 2022
  15. Amenable operator algebras: extensions and unitarizability

    Choi, Y. (Invited speaker)

    18/10/2022

    Activity: Talk or presentation typesInvited talk

  16. Lower bounds on the amenability constant of the Fourier algebra

    Choi, Y. (Speaker)

    18/06/2022

    Activity: Talk or presentation typesOral presentation

  17. Unitarizability, extensions, and amenable operator algebras

    Choi, Y. (Invited speaker)

    31/03/2022

    Activity: Talk or presentation typesInvited talk

  18. Amenable algebras of operators on Hilbert space

    Choi, Y. (Keynote speaker)

    28/01/2022

    Activity: Talk or presentation typesInvited talk

  19. 2021
  20. Operator space tensor products, and cocycles on Fourier algebras

    Choi, Y. (Invited speaker)

    29/11/2021

    Activity: Talk or presentation typesInvited talk

  21. Proceedings of the Royal Society of Edinburgh: Section A Mathematics (Journal)

    Choi, Y. (Peer reviewer)

    1/11/20215/11/2021

    Activity: Publication peer-review and editorial work typesPublication peer-review

  22. Operator space tensor products, and cocycles on Fourier algebras

    Choi, Y. (Invited speaker)

    19/10/2021

    Activity: Talk or presentation typesInvited talk

  23. A twisted inclusion of operator space tensor products

    Choi, Y. (Invited speaker)

    19/08/2021

    Activity: Talk or presentation typesInvited talk

  24. Banach Journal of Mathematical Analysis (Journal)

    Choi, Y. (Peer reviewer)

    12/05/202121/11/2021

    Activity: Publication peer-review and editorial work typesPublication peer-review

  25. Internal examiner for a PhD viva (Mathematics)

    Choi, Y. (Examiner)

    7/05/2021

    Activity: Examination typesExamination

  26. Completely almost periodic elements of group von Neumann algebras

    Choi, Y. (Invited speaker)

    6/04/2021

    Activity: Talk or presentation typesInvited talk

  27. 2020
  28. Fourier algebras and dual convolution

    Choi, Y. (Invited speaker)

    2/12/2020

    Activity: Talk or presentation typesInvited talk

  29. An introduction to non-amenability of B(E)

    Choi, Y. (Invited speaker)

    19/11/2020

    Activity: Talk or presentation typesInvited talk

  30. Proceedings of the Edinburgh Mathematical Society (Journal)

    Choi, Y. (Peer reviewer)

    30/10/202015/03/2021

    Activity: Publication peer-review and editorial work typesPublication peer-review

  31. Amenability constants of centres of group algebras

    Choi, Y. (Invited speaker)

    3/03/2020

    Activity: Talk or presentation typesInvited talk

  32. University of Delaware

    Choi, Y. (Visiting researcher)

    1/03/202011/03/2020

    Activity: Business or School/HEI EngagementVisiting an external academic institution

  33. Constructing alternating cocycles on Fourier algebras

    Choi, Y. (Invited speaker)

    18/02/2020

    Activity: Talk or presentation typesInvited talk

  34. Complex Analysis and Operator Theory (Journal)

    Choi, Y. (Peer reviewer)

    10/01/202015/05/2020

    Activity: Publication peer-review and editorial work typesPublication peer-review

  35. 2019
  36. PhD viva (Mathematics) at Lancaster University (Event)

    Choi, Y. (Chair)

    25/11/2019

    Activity: Membership typesMembership of committee

  37. Journal of Mathematical Analysis and Applications (Journal)

    Choi, Y. (Peer reviewer)

    18/11/20196/12/2020

    Activity: Publication peer-review and editorial work typesPublication peer-review

  38. Alternating cocycles on Fourier algebras of Lie groups

    Choi, Y. (Keynote speaker)

    26/08/201929/08/2019

    Activity: Talk or presentation typesInvited talk

  39. Bulletin des Sciences Mathématiques (Journal)

    Choi, Y. (Peer reviewer)

    18/08/201917/10/2019

    Activity: Publication peer-review and editorial work typesPublication peer-review

  40. Approximate homomorphisms: some old and new results

    Choi, Y. (Keynote speaker)

    11/07/201918/07/2019

    Activity: Talk or presentation typesInvited talk

  41. Proceedings of the American Mathematical Society (Journal)

    Choi, Y. (Peer reviewer)

    2/05/201918/05/2019

    Activity: Publication peer-review and editorial work typesPublication peer-review

  42. British Mathematical Colloquium

    Choi, Y. (Member of programme committee)

    8/04/201911/04/2019

    Activity: Participating in or organising an event typesParticipation in conference -Mixed Audience

  43. Constructing alternating cocycles on Fourier algebras

    Choi, Y. (Invited speaker)

    31/01/2019

    Activity: Talk or presentation typesInvited talk

  44. Jon Bannon

    Choi, Y. (Host)

    1/01/201930/06/2019

    Activity: Hosting a visitor typesHosting an academic visitor

  45. 2018
  46. Derivations from the disc algebra to various modules

    Choi, Y. (Invited speaker)

    19/09/2018

    Activity: Talk or presentation typesInvited talk

  47. Canadian Mathematical Bulletin (Journal)

    Choi, Y. (Peer reviewer)

    6/09/201827/09/2018

    Activity: Publication peer-review and editorial work typesPublication peer-review

  48. Twisted tensor products, and cocycles on Fourier algebras

    Choi, Y. (Invited speaker)

    26/06/2018

    Activity: Talk or presentation typesInvited talk

  49. A look at Fourier algebras of some Lie groups

    Choi, Y. (Speaker)

    21/06/2018

    Activity: Talk or presentation typesInvited talk

  50. Derivations and alternating cocycles on Fourier algebras

    Choi, Y. (Invited speaker)

    17/04/2018

    Activity: Talk or presentation typesInvited talk

  51. External examiner for PhD viva (Newcastle)

    Choi, Y. (Examiner)

    9/01/2018

    Activity: Examination typesExamination

  52. 2017
  53. Journal of Mathematical Analysis and Applications (Journal)

    Choi, Y. (Peer reviewer)

    21/12/201716/10/2018

    Activity: Publication peer-review and editorial work typesPublication peer-review

  54. Directly finite algebras arising from group representations

    Choi, Y. (Invited speaker)

    3/10/2017

    Activity: Talk or presentation typesInvited talk

  55. Completely almost periodic elements of Hopf von Neumann algebras

    Choi, Y. (Invited speaker)

    16/09/2017

    Activity: Talk or presentation typesInvited talk

  56. Internal examiner for a PhD viva (Mathematics)

    Choi, Y. (Examiner)

    23/06/2017

    Activity: Examination typesExamination

  57. Semigroup Forum (Journal)

    Choi, Y. (Peer reviewer)

    9/06/201711/06/2018

    Activity: Publication peer-review and editorial work typesPublication peer-review

  58. Some results on direct finiteness of group algebras

    Choi, Y. (Keynote speaker)

    23/05/2017

    Activity: Talk or presentation typesInvited talk

  59. Studia Mathematica (Journal)

    Choi, Y. (Peer reviewer)

    29/03/201728/09/2017

    Activity: Publication peer-review and editorial work typesPublication peer-review

  60. International Mathematical Research Notices (Journal)

    Choi, Y. (Peer reviewer)

    25/01/201723/07/2017

    Activity: Publication peer-review and editorial work typesPublication peer-review

  61. 2016
  62. External examiner for PhD viva (Leeds)

    Choi, Y. (Examiner)

    21/11/2016

    Activity: Examination typesExamination

  63. CAP and ITAP for group von Neumann algebras

    Choi, Y. (Keynote speaker)

    16/08/2016

    Activity: Talk or presentation typesInvited talk

  64. Journal of Mathematical Analysis and Applications (Journal)

    Choi, Y. (Peer reviewer)

    22/06/201615/12/2016

    Activity: Publication peer-review and editorial work typesPublication peer-review

  65. AP, WAP, CAP and another AP

    Choi, Y. (Invited speaker)

    17/05/2016

    Activity: Talk or presentation typesInvited talk

  66. Some operator algebras that are locally similar to self-adjoint ones

    Choi, Y. (Invited speaker)

    26/04/2016

    Activity: Talk or presentation typesInvited talk

  67. Derivations on Fourier algebras of connected groups

    Choi, Y. (Keynote speaker)

    8/04/2016

    Activity: Talk or presentation typesInvited talk

  68. Indiana University Mathematics Journal (Journal)

    Choi, Y. (Peer reviewer)

    1/03/201620/12/2016

    Activity: Publication peer-review and editorial work typesPublication peer-review

  69. Studia Mathematica (Journal)

    Choi, Y. (Peer reviewer)

    29/01/201610/07/2016

    Activity: Publication peer-review and editorial work typesPublication peer-review

  70. Mathematical Proceedings of the Cambridge Philosophical Society (Journal)

    Choi, Y. (Peer reviewer)

    23/01/20169/06/2016

    Activity: Publication peer-review and editorial work typesPublication peer-review

  71. Orthogonality relations and the study of derivations on Fourier algebras

    Choi, Y. (Invited speaker)

    18/01/2016

    Activity: Talk or presentation typesInvited talk

  72. Houston Journal of Mathematics (Journal)

    Choi, Y. (Peer reviewer)

    16/01/201626/09/2016

    Activity: Publication peer-review and editorial work typesPublication peer-review

  73. 2015
  74. Constructing amenable operator algebras

    Choi, Y. (Invited speaker)

    27/10/2015

    Activity: Talk or presentation typesInvited talk

  75. Illinois Journal of Mathematics (Journal)

    Choi, Y. (Peer reviewer)

    12/09/20156/09/2016

    Activity: Publication peer-review and editorial work typesPublication peer-review

  76. Derivations on semigroup algebras and Fourier algebras

    Choi, Y. (Keynote speaker)

    6/08/2015

    Activity: Talk or presentation typesInvited talk

  77. Canadian Journal of Mathematics (Journal)

    Choi, Y. (Peer reviewer)

    29/06/201517/02/2016

    Activity: Publication peer-review and editorial work typesPublication peer-review

  78. Studia Mathematica (Journal)

    Choi, Y. (Peer reviewer)

    28/05/20159/12/2015

    Activity: Publication peer-review and editorial work typesPublication peer-review

  79. The ZL-amenability constant of a finite group

    Choi, Y. (Invited speaker)

    1/05/2015

    Activity: Talk or presentation typesInvited talk

  80. Quarterly Journal of Mathematics (Journal)

    Choi, Y. (Peer reviewer)

    22/04/201524/11/2015

    Activity: Publication peer-review and editorial work typesPublication peer-review

  81. Journal of the Australian Mathematical Society (Journal)

    Choi, Y. (Peer reviewer)

    26/03/201519/06/2015

    Activity: Publication peer-review and editorial work typesPublication peer-review

  82. 2014
  83. Orthogonality relations and the study of derivations on Fourier algebras

    Choi, Y. (Invited speaker)

    24/07/2014

    Activity: Talk or presentation typesInvited talk

  84. Journal of the American Mathematical Society (Journal)

    Choi, Y. (Peer reviewer)

    12/07/201415/10/2014

    Activity: Publication peer-review and editorial work typesPublication peer-review

  85. Unitarizable group representations and amenable operator algebras

    Choi, Y. (Invited speaker)

    28/05/2014

    Activity: Talk or presentation typesInvited talk

  86. Derivations on Fourier algebras of connected Lie groups

    Choi, Y. (Invited speaker)

    6/05/2014

    Activity: Talk or presentation typesInvited talk

  87. Weak amenability of Fourier algebras: old and new results

    Choi, Y. (Invited speaker)

    14/04/2014

    Activity: Talk or presentation typesInvited talk

  88. Derivations on Fourier algebras of some connected Lie groups

    Choi, Y. (Invited speaker)

    21/03/2014

    Activity: Talk or presentation typesInvited talk

  89. Amenable operator algebras

    Choi, Y. (Speaker)

    14/03/2014

    Activity: Talk or presentation typesInvited talk

  90. The ZL-amenability constant of a finite group

    Choi, Y. (Invited speaker)

    11/03/2014

    Activity: Talk or presentation typesInvited talk

  91. Semigroup Forum (Journal)

    Choi, Y. (Peer reviewer)

    9/03/201417/11/2014

    Activity: Publication peer-review and editorial work typesPublication peer-review

  92. Glasgow Mathematical Journal (Journal)

    Choi, Y. (Peer reviewer)

    4/02/20142/03/2014

    Activity: Publication peer-review and editorial work typesPublication peer-review

  93. Journal of Mathematical Analysis and Applications (Journal)

    Choi, Y. (Peer reviewer)

    6/01/201418/08/2014

    Activity: Publication peer-review and editorial work typesPublication peer-review

  94. Journal of Mathematical Analysis and Applications (Journal)

    Choi, Y. (Peer reviewer)

    6/01/201418/08/2014

    Activity: Publication peer-review and editorial work typesPublication peer-review

  95. 2013
  96. Journal of Mathematical Analysis and Applications (Journal)

    Choi, Y. (Peer reviewer)

    25/11/201310/09/2014

    Activity: Publication peer-review and editorial work typesPublication peer-review

  97. Glasgow Mathematical Journal (Journal)

    Choi, Y. (Peer reviewer)

    20/03/201314/04/2013

    Activity: Publication peer-review and editorial work typesPublication peer-review

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