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- HEE OH
- 2002

Let k be a local field of characteristic not 2, and let G be the group of k-rational points of a connected reductive linear algebraic group defined over k with a simple derived group of k-rank at least 2. We construct new uniform pointwise bounds for the matrix coefficients of all infinite-dimensional irreducible unitary representations of G. These bounds… (More)

- Hee Oh
- 2000

- HEE OH, NIMISH A. SHAH
- 2013

- Hee Oh
- 1998

We present a function F for each simple real linear Lie group G with real rank at least 2 such that F bounds from above all the K-matrix coeecients of non-trivial irreducible spherical unitary representations of G where K is a maximal compact subgroup of G. This enables us to determine when a closed subgroup H is a (G; K)-tempered subgroup of G: for… (More)

- Hee Oh, Dave Witte
- 1999

A homogeneous space G/H is said to have a compact Clifford-Klein form if there exists a discrete subgroup Γ of G that acts properly discontinuously on G/H, such that the quotient space Γ\G/H is compact. When n is even, we find every closed, connected subgroup H of G = SO(2, n), such that G/H has a compact Clifford-Klein form, but our classification is not… (More)

- WEE TECK GAN, HEE OH
- 2001

Let f be a homogeneous polynomial in n variables with integer coefficients. For any integer m, consider the affine subvariety of R n defined by V m = {x ∈ R n : f (x) = m}. It is a classical problem in number theory to understand the distribution of the set V m (Z) of integer points in V m. Two basic types of questions have been studied in the literature.… (More)

- Hee Oh, Dave Witte
- 1999

For G = SL(3, R) and G = SO(2, n), we give explicit, practical conditions that determine whether or not a closed, connected subgroup H of G has the property that there exists a compact subset C of G with CHC = G. To do this, we fix a Cartan decomposition G = KA + K of G, and then carry out an approximate calculation of (KHK) ∩ A + for each closed, connected… (More)

- Alex Eskin, Shahar Mozesand, Hee Oh
- 2008