Daniel Onofrei

Scott Assistant Professor

**Department of Mathematics**
Office: 328 JWB

155 South 1400 East
E-mail: *onofrei@**math.utah*.*edu*

Office Phone: (801-585-5469)

**University of Utah**

**Salt Lake City, UT 84112**

USA

### Resume (pdf)

### Teaching: - Summer 2008 - MA2250 - Linear algebra and differential equations
- Spring 2009 - MA3150 - PDE's for engineers
- Summer 2009 - MA3150 - PDE's for engineers
- Fall 2009 -
- Introduction to applied mathematics
- Metamaterials and cloaking theory

- Spring 2010 - MA3210- Foundation of Analysis
- Summer 2011 - (MA3160), Applied Complex Analysis

### Publications:

**
"Exterior cloaking with active sources in two dimensional acoustics", (pdf)**
(with Graeme Milton and Fernando Guevara Vasquez), * invited to Wave Motion, 2010, online: arXiv:1009.2038*
** "Complete characterization and synthesis of the response function of elastodynamic networks", (pdf)**
(with Graeme Milton and Fernando Guevara Vasquez),* accepted to Journal of Elasticity, 2010, online: arxiv:0911.1501*
** "Asymptotic analysis of boundary layer correctors and applications", (pdf)**(with Bogdan Vernescu),* submitted *
** "Broadband exterior cloaking", (pdf)** (with Graeme Milton and Fernando Guevara Vasquez), * Optics Express, Vol. 17, Issue 17 2009, 14800-14805*
** "Active exterior cloaking for the 2D Laplace and Helmholtz Equations",(pdf)** (with Graeme Milton and Fernando Guevara Vasquez), * Phys. Rev. Lett. 103,073901, 2009*
** "Cloaking via change of variables for Helmholtz equation in the case of fixed frequency",(pdf)**
(with R. Kohn, M. Vogelius and M. Weinstein)*, CPAM, vol. 63, Issue 8, 973 – 1016, 2010*
**" Mathematical analysis of
waves propagation through a rectangular material structure in space - time
",(pdf)**
(with K. Lurie and S. Weekes)* Jour. Math. Anal. Appl., 2009*
** "The Periodic
Unfolding Method for perforated domains and Neumann sieve models",(pdf),**
(with D. Cioranescu, A. Damlamian and G.Griso)* Jour. Math. Pures et Appl., 2008*
**
"Error estimates for periodic
homogenization with non-smooth coefficients",
(pdf),**
(with B. Vernescu) * Asymptotic Anal., 54 (2007), 103-123*
**"The Unfolding operator near a hyperplane and its application
to the Neumann sieve model",(pdf)**
*Adv. in Math. Sci. and Appl., vol 16, No. 1, 2006, pp. 239-258
*
** "Gamma-convergence for a fault
model with slip weakening friction law and periodic barriers",(pdf)**
(with B. Vernescu),*Quarterly of Appl. Math., vol. LXII, 4, 747-778, 2005.*
**"Asymptotic analysis of a spectral problem
associated with the Neumann sieve"(pdf)**
(with B. Vernescu),*Journal of Anal. and
Appl., vol. 1, 2005, pp. 69-87.*

** "G-convergence results for some spectral
problems associated to the Neumann sieve and their applications"**
(with B. Vernescu),*GAKUTO Int. Ser., Math. Sci. Appl., Vol. 24, 2005, pp. 249-
260.*
### Works in preparation:

**
“The near cloak defeats the anti-cloak”,**
(with A. Thaler)
**
“Novel acoustic and electromagnetic field manipulations by using active devices. Analysis of minimal energy solutions and applications”,**
**
“Mathematical analysis of the active exterior cloak for 2D quasistatic electromagnetics”** (with F. Guevara-Vasquez, G.W. Milton)