James Ralston
email: ralston@math.ucla.edu

Office Phone: 310-825-4498

** Recent Publications **

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Remark on spectral rigidity for magnetic Schroedinger operators (with G. Eskin), to appear in proceedings of the Mark Krein Centenary conference, Odessa, April 2007. pdf file
Inverse scattering for gratings and wave guides (with G. Eskin and M. Yamamoto) Inverse Problems Volume 24(2008), #2. pdf file
Inverse spectral problems in rectangular domains (with G. Eskin) CPDE Volume 32(2007), 971-1000 pdf file . Also
Slides for a talk on this paper at Applied Inverse Problems 2007, Vancouver, June 29, 2007.
On effective Hamiltonians for adiabatic perturbations of magnetic Schroedinger operators (with M. Dimassi and J.-C. Guillot) pdf file , Asymptotic Analysis 40 (2004), 137-146.
Inverse Boundary Value Problems for Systems of Partial Differential Equations (with G. Eskin) pdf file , in Recent Developments in Theories &
Numerics, Y-C. Hon, M. Yamamoto, J. Cheng and J-Y. Lee, Eds., pp. 105-113, World Scientific, New Jersey.
On the inverse problem for linear isotropic elasticity and Cauchy Riemann systems (with G. Eskin)
pdf file . Contemporary Math. Volume 348 (2004), H. Isozaki, Ed.,
53-69.
** Lecture Notes **

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Construction of Gaussian Beam Phases for Reduced Eichonals pdf file
Notes for talk on Gliding Beams, Michigan State, March 2008 pdf file
Notes on Gaussian Beams (revised September 2005)
pdf file .
** Analysis Bootcamp, Summer 2015**

### Notes

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Heine-Borel Compactness implies Bolzano-Weierstrass Compactness
A brief discussion of Dedekind Cuts
Equality of Mixed Partial Derivatives
The Inverse Function Theorem
Rearrangement of Series
Root Test vs Ratio Test
The Fundamental Theorems