Leonel Robert

Dept. of Mathematics and Statistics
York University, 4700 Keele St.
Toronto, Ontario, Canada M3J 1P3
email: lrobert at mathstat dot yorku dot ca

I am a postdoc at the Department of Mathematics and Statitics of York University.

My research interests include operator algebras, classification of C*-algebras, K-theory, the Cuntz semigroup, and Hilbert C*-modules.

This is my Curriculum Vitae.

Publications

  1. L. Robert, L. Santiago, Classification of C*-homomorphisms from C_0(0,1] to a C*-algebra, J. Funct. Anal. (to appear). arXiv:0905.0680v1 [math.OA]

  2. L. Robert, On the comparison of positive elements of a C*-algebra by lower semicontinuous traces, Indiana Univ. Math. J., Vo. 58 (2009). arXiv:0806.1570v1 [math.OA]

  3. A. Ciuperca, L. Robert, L. Santiago, Cuntz semigroup of ideals and quotients and a generalized Kasparov Stabilization Theorem, J. Operator Theory (to appear). arXiv:0710.5800.v1

  4. E. R. Pujals, L. Robert, M. Shub, Expanding maps of the circle revisited: Positive Lyapunov exponents in a rich family, Ergodic Theory Dynam. Systems, Vol. 26 (2006), 1931--1937. pdf

  5. L. Robert, Similarity of perturbations of Hessenberg matrices, J. Operator Theory, Vol. 54 (2005), n. 1: 125--136. pdf

  6. J. Hernandez, L. Robert, Figures of constant width on a chessboard, Amer. Math. Monthly, 112 (2005), no. 1, 42--50. pdf

  7. L. Robert, L. Santiago, On a class of Sobolev scalar products in the polynomials, J. Approx. Theory , 125(2): 169-189 (2003). pdf

  8. L. Robert, L. Santiago, The Finite sections method for Hessenberg matrices, J. Approx. Theory , 123(1): 68-88 (2003). pdf

Preprints

  1. A. Tikusis, L. Robert, Hilbert C*-modules over commutative C*-algebras, submitted for publication. arXiv:0910.2967v3 [math.OA]

  2. G. A. Elliott, L. Robert, L. Santiago, The cone of lower semicontinuous traces on a C*-algebra, submitted for publication. arXiv:0805.3122v2 [math.OA]

  3. L. Robert, The Cuntz semigroup of some spaces of dimension at most 2, submitted for publication. arXiv:0711.4396v4 [math.OA]

  4. L. Robert, F. Vera, Perturbations of the shift by rank one operators, (2007).

  5. L. Robert, L. Santiago, Infinite dimensional continued fractions, (2003). pdf

Figures of constant width on a chessboard

Last modified: January 2010.