= Tse Leung So
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<Tse Leung So> studies homotopy-theoretic questions about <Lie groups>. His paper on commutator orders examines the <Samelson product> in low-rank groups and its odd-primary behavior.<The odd primary order of the commutator on low rank Lie groups by Tse Leung So>[Original byline and introduction]{ref}
The group commutator is trivial when either input is the identity. It therefore descends from a Cartesian product to a <smash product>, turning noncommutativity into a based topological map. Its homotopy order measures information that the ordinary multiplication table alone does not express.<The odd primary order of the commutator on low rank Lie groups by Tse Leung So>[Section 1, definition of the Samelson product]{ref}
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