Jim Humphreys
Moreorless retired professor at UMass Amherst.
Basically an algebraist with interests in Lie theory,
specifically representation theory and related
algebraic geometry.
588
answers
64
questions
~589k
people reached
 U. Massachusetts, Amherst
 math.umass.edu/~jeh
 Member for 5 years, 7 months
 16,569 profile views
 Last seen 20 hours ago
Top Posts (652) All Questions Answers  Votes Newest
34
Implications of nonnegativity of coefficients of arbitrary KazhdanLusztig polynomials?
nov 18 '12
32
What role does the “dual Coxeter number” play in Lie theory (and should it be called the “Kac number”)?
may 22 '10
Badges (224)
Gold
3
Rarest

Silver
71
Rarest

Bronze
150
Rarest
