# Leroy Milton Kelly

**Leroy Milton Kelly** (8 May 1914 – 21 February 2002[1]) was an American mathematician whose research primarily concerned combinatorial geometry.[2] In 1986 he settled a conjecture of Jean-Pierre Serre by proving that n points in complex 3-space, not all lying on a plane, determine an ordinary line—that is, a line containing only two of the n points. He taught at Michigan State University.

L. M. Kelly received his Ph.D. at the University of Missouri in 1948, advised by Leonard Mascot Blumenthal.[2][3]

## Selected publications

- Kelly, L. M. (1986), "A resolution of the Sylvester–Gallai problem of J. P. Serre",
*Discrete and Computational Geometry*,**1**(1): 101–104, doi:10.1007/BF02187687. - Kelly, L. M.; Moser, W. O. J. (1958), "On the number of ordinary lines determined by
*n*points",*Can. J. Math.*,**10**: 210–219, doi:10.4153/CJM-1958-024-6.

## References

- Death-Record for Leroy M Kelly: Holt, Michigan.
- Leroy Milton Kelly at the Mathematics Genealogy Project
- Kelly, Leroy Milton (1948),
*New Properties of Elliptic Space*, Ph.D. thesis, University of Missouri.

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