On the exponential map of borei subgroups in a semi-simple lie group |
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Authors: | Hsin Chu |
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Institution: |
a Department of Mathematics, University of Maryland, College Park, MD |
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Abstract: | Let G be a connected, complex, semi-simple Lie group Let g be an element in G. Let B be a Borel subgroup of G and g in B. Let m and n be the least positive integers such that the element gm lies on a one-parameter subgroup in G and the element gn lies on a one-parameter subgroup in B. We denote these integers by indG(g) and indB(g). In this note we prove the conjecture indG(g) = indB(g), if g is regular. |
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