---
res:
  bibo_abstract:
  - For Hamiltonian actions of semidirect products G = FxH, we study 2-cocycles arising
    from residual Hamiltonian actions of F on Hamiltonian reductions for H. The motivation
    comes from the study of Teichmüller spaces for surfaces with boundary, which carry
    Hamiltonian actions of the Virasoro algebra. In this paper, we give a general
    setup for the problem, and we suggest an easier way to obtain the Gelfand-Fuchs
    2-cocycles for Hamiltonian actions on Teichmüller spaces.@eng
  bibo_authorlist:
  - foaf_Person:
      foaf_givenName: Viacheslav
      foaf_name: Goncharov, Viacheslav
      foaf_surname: Goncharov
      foaf_workInfoHomepage: http://www.librecat.org/personId=8a0e2993-7114-11f0-b60e-f50e633649d8
  bibo_doi: 10.1016/j.geomphys.2026.105878
  bibo_volume: 227
  dct_date: 2026^xs_gYear
  dct_isPartOf:
  - http://id.crossref.org/issn/0393-0440
  - http://id.crossref.org/issn/1879-1662
  dct_language: eng
  dct_publisher: Elsevier@
  dct_title: An easier way to compute 2-cocycles coming from a reduction for semidirect
    products@
...
