Перегляд за автором "Karshon, Y."

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  • Basic Forms and Orbit Spaces: a Diffeological Approach 
    Karshon, Y.; Watts, J. (Symmetry, Integrability and Geometry: Methods and Applications, 2016)
    If a Lie group acts on a manifold freely and properly, pulling back by the quotient map gives an isomorphism between the differential forms on the quotient manifold and the basic differential forms upstairs. We show that ...
  • Non-Compact Symplectic Toric Manifolds 
    Karshon, Y.; Lerman, E. (Symmetry, Integrability and Geometry: Methods and Applications, 2015)
    A key result in equivariant symplectic geometry is Delzant's classification of compact connected symplectic toric manifolds. The moment map induces an embedding of the quotient of the manifold by the torus action into the ...