The Illinois Journal of Mathematics was founded in 1957 by R. Baer, J.L. Doob, A. Taub, G. Whitehead, and O. Zariski. The inaugural volume featured papers of many of the world's leading figures in the key areas of mathematics at the time. Since its inception, the IJM has published many influential papers, most notably the proof of the Four Color Conjecture by K. Appel and W. Haken. Distinguished researchers such as J. Bourgain, A. Calderon, S.S. Chern, H. Kesten, and K. Uhlenbeck have served as Editors of the IJM.
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Volume 49, Number 4
Publication Date: Winter 2005
Mappings with convex potentials and the quasiconformal Jacobian problem
Leonid V. Kovalev and Diego Maldonado; 1039-1060
BMO results for operators associated to Hermite expansions
Krzysztof Stempak and José Luis Torrea; 1111-1131
Monotonicity results for the principal eigenvalue of the generalized Robin problem
Tiziana Giorgi and Robert G. Smits; 1133-1143
Surface families and boundary behavior of quasiregular mappings
Kai Rajala; 1145-1153
On the dimension of the stability group for a Levi non-degenerate hypersurface
V. V. Ezhov and A. V. Isaev; 1155-1169
Contractive and completely contractive homomorphisms of planar algebras
Tirthankar Bhattacharyya and Gadadhar Misra; 1181-1201
Probabilistic invariant measures for non-entire functions with asymptotic values mapped onto $\infty$
Janina Kotus; 1203-1220
Dualizing complex of the incidence algebra of a finite regular cell complex
Kohji Yanagawa; 1221-1243
Note on $H\sp 1$ spaces related to degenerate Schrödinger operators
Jacek Dziubański; 1271-1297
On torsion-free groups in o-minimal structures
Ya'acov Peterzil and Sergei Starchenko; 1299-1321
Screw motion surfaces in $\Bbb H\sp 2\times\Bbb R$ and $\Bbb S\sp 2\times\Bbb R$
Ricardo Sa Earp and Eric Toubiana; 1323-1362
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Illinois Journal of Mathematics