The Nodal Cubic is a Quantum Homogeneous Space |
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Authors: | Ulrich Krähmer Angela Ankomaah Tabiri |
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Institution: | 1.School of Mathematics and Statistics, 15 University Gardens,University of Glasgow,Glasgow,UK |
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Abstract: | The cusp was recently shown to admit the structure of a quantum homogeneous space, that is, its coordinate ring B can be embedded as a right coideal subalgebra into a Hopf algebra A such that A is faithfully flat as a B-module. In the present article such a Hopf algebra A is constructed for the coordinate ring B of the nodal cubic, thus further motivating the question which affine varieties are quantum homogeneous spaces. |
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