Publications and Preprints
1. Free group actions on spaces homotopy equivalent to a sphere
(with K. Y. Ha, J. B. Lee),
Composito Mathematica, 120(3), (2000), 327~333 .
2. Classification of free actions of finite groups on the 3-torus(II)
(with K. Y. Ha, S. W. Kim, J. B. Lee),
JP Jour. Geometry and Topology 1(1), (2001), 111~133.
3. Classification of free actions of finite groups on the 3-torus
(with K. Y. Ha, S. W. Kim, J. B. Lee),
Topology Appl. 121(2002), no.3, 469~507.
4. Projective complete cohomological dimension of a group,
Int. Math. Res. Not. (2004), no. 13, 621~636.
5. Multiple complexes and gaps in Farrell cohomology,
J. Pure App. Algebra 194(2004), 147~158.
6. Varieties of nilpotent elements for simple Lie algebras. I. Good primes
(with the University of Georgia VIGRE Algebra Group),
J. Algebra 280(2004), 719~737.
7. On the asphericity of certain 2-complexes
(with J. B. Lee),
Indian J. Pure Appl. Math. 36(2005), 3~10.
8. Varieties of nilpotent elements for simple Lie algebras II: bad primes
(with the University of Georgia VIGRE Algebra Group),
J. Algebra 292(2005), 65~99.
9. Infinite-dimensional homotopy space forms
(with J. B. Lee),
Forum Math. 18(2006), 305~322.
10. Support varieties for Weyl modules over bad primes
(with the University of Georgia VIGRE Algebra Group),
J. Algebra 312(2007), 602~633.
11. A criterion for projective modules
Comm. Alg. 35(2007), 1577~1587.
12. On vanishing of L^2-betti numbers for groups,
J. Math. Soc. Japan 59(2007), 1~14.
13. Vanishing results for L^2-Betti numbers and L^2-Euler characteristics and their applications,
Internat. J. Math. 19(2008), 21 ~ 26.
14. Periodic cohomology and subgroups with bounded Bredon cohomological dimension
(with B.E.A. Nucinkis),
Math. Proc. Cambridge Philos. Soc.
144(2008), 329~336.
15. Complete homology and the related dimensions of a group,
submitted.
16. Periodic cohomology and projective complete cohomological dimension of a group,
submitted.
17. Group extensions and free actions by finite groups on solvmanifolds
(with J. B. Lee),
submitted.
18. Atiyah's theorem, Kan-Thurston construction, and Weak Bass Conjecture,
submitted.
19. On groups of type L^-1,
submitted.
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