1994
1994 Texas Partial Differential Equations Seminar
University of Texas at Austin.

Saturday April 23, 1994. (In order of presentation).
 Victor Shubov: Texas Tech Univ.; Well posedness for a class of damped nonlinear second order systems.
 Bruce Lowe: Texas A&M Univ.; Coefficient recovery in a parabolic equation from input sources.
 Henry Warchall: Univ. of North Texas; Nonradial solutions of a semilinear elliptic equation in two dimensions.
 Guillermo Ferreyra: Louisiana State Univ.; Smooth fit for Bellman equations.
 Marianna Shubov: Texas Tech Univ.; Spectral analysis of nonhomogeneous damped string.
 Susan Friedlander: Univ. of Illinois; Misha Vishik: Univ. of Texas at Austin; Instability in ideal MHD
 Xiangsheng Xu: Univ. of Arkansas; On a class of singular parabolic equations.
 Barbara Lee Keyfitz: Univ. of Houston; An elliptic problem arising from the unsteady transonic small disturbance equation.
 Rich Fabiano: Texas A&M Univ.; Stability preserving approximations for distributed parameter systems.
 Michael Bohm: Univ. of Southern California; Local complex interpolation and PDEs.
 Seth Oppenheimer: Mississippi State Univ.; A multisite, nonequilibrium sorption model
 J. Coleson: Stephen F. Austin State Univ.; On a more general Carlemantype system.
 Jianzhong Su: Univ. of Texas at Arlington; Convergence to propagating clines in the Fisher equation.

Sunday April 24, 1994.
 Alfonso Castro: Univ. of North Texas; An inverse function theorem.
 J.R. Dorroh: Louisiana State Univ.; Continuous dependence of nonnegative solutions of the heat equation.
 Steven Cox,: Rice Univ.; Optimal design of the nonlinear elastica
 Joseph Ilia: Univ. of North Texas; Radial Solutions of $\Delta_p u+u^{q1}u=0$.
 David Gilliam: Texas Tech Univ.; Viscous Burgers' equation
 Ruediger Landes: Univ. of Oklahoma; Some remarks on quasilinear problems.
 Tom Roberts: Armstrong Lab. AL/OES; Inverse scattering for an integroPDE associated with electromagnetic dispersion.
 John Cook: Vanderbilt Univ.; A Stefan problem on a region and its boundary.
 Hua Song: Rice Univ.; Waveform inversion of Crosswell seismograms via differential semblance optimization.
 John Neuberger: Univ. of North Texas; A sign changing solution for a semilinear boundary value problem.
 M. Hassanpour: Univ. of North Texas; Uniqueness of positive solutions for a semipositone problem with concave nonlinearity.