Extends Lusztig total positivity to symmetric spaces G/K via Hausdorff closure, proves cell decomposition with positive parametrizations and subtraction-free transitions.
Theory26(2022), 1025–1046, DOI 10.1090/ert/628, available atarXiv:2107.13447
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Total positivity and symmetric spaces
Extends Lusztig total positivity to symmetric spaces G/K via Hausdorff closure, proves cell decomposition with positive parametrizations and subtraction-free transitions.