# Irina Nenciu

**Irina Nenciu** is a Romanian citizen and mathematician born in Bucharest, Romania on November 9, 1978.^{[1]} She is an associate professor of mathematics at the University of Illinois at Chicago^{[2]} and has overseen undergraduate and graduate students' research.^{[1]} She is also a researcher for the Institute of Mathematics of the Romanian Academy in Bucharest^{[1]} and researches integrable systems, random matrices, and orthogonal polynomials.^{[1]} She is married to Christof Sparber, who is also a professor of mathematics at the University of Illinois at Chicago.^{[1]}^{[3]}

## Academic career[edit]

Nenciu earned her B.S. in Mathematics from the University of Bucharest, Romania in 2001 under the advising of Professor Viorel Iftimie. Her undergraduate thesis is titled *Semiclassical asymptotics of spectra of second order elliptic differential operators*.^{[1]} Following this, she earned her Ph.D. in Mathematics from the California Institute of Technology in 2005 under the advising of Professor Barry Simon. Her graduate thesis is titled *Lax Pairs for the Ablowitz-Ladik system via orthogonal polynomials on the unit circle*.^{[1]}

Currently Nenciu is an associate professor of mathematics at the University of Illinois at Chicago and a researcher for the Institute of Mathematics of the Romanian Academy in Bucharest.^{[1]} She was previously a member of the Institute of Advanced Study at Princeton in 2006^{[1]} and an instructor at the Courant Institute at New York University from 2005-2008.^{[1]}

### Publications and Collaborations[edit]

- (with F. Gestesy, M. Mitrea, G. Teschl) Decoupling of deficiency indices and applications to Schrödinger-type operators with possibly strongly singular potentials,
*Adv. Math*301 (2016), 1022-1061.^{[4]} - (with D. Bilman) On the evolution of scattering data under perturbations of the Today lattice,
*Phys. D*330 (2016), 1-16.^{[4]} - (with L.-C. Li) The periodic defocusing Ablowitz-Ladik equation and the geometry of Floquet CMV matrices,
*Adv. Math*231 (2012), 3330-3388.^{[4]} - (with G. Nenciu) On the self-adjointness for magnetic Schrödinger and Pauli operators on bounded domains in ,
*Lett. Math. Phys.*98 (2011), 207-223.^{[4]} - (with G. Nenciu) On confining potentials and essential self-adjointness for Schrödinger operators on bounded domains in ,
*Ann. Henri Poincaré*10 (2009), 377-394.^{[4]} - (with M. Gekhtman) Multi-Hamiltonian structures for defocusing Ablowitz-Ladik system,
*Comm. Pure Appl. Math.*62 (2009), 147-182.^{[4]} - A note on circular trace formulae,
*Proc. Amer. Math. Soc.*136 (2008), 2785-2792.^{[4]} - (with R. Killip) CMV: the unitary analogue of Jacobi matrices,
*Comm. Pure Appl. Math.*60 (2007), 1148-1188.^{[4]} - Lax Pairs for the Ablowitz-Ladik system via orthogonal polynomials on the unit circle,
*Int. Math. Res. Not.*11 (2005), 647-686.^{[4]}

## Services in the Math Community[edit]

In her career, Nenciu has served as a member of the University of Illinois senate from 2016-2019.^{[1]} She was also an organizer for the SIAM Conference on Nonlinear Waves and Coherent Structures in Philadelphia on August 8-11, 2016.^{[5]} Nenciu spoke at several international meetings, including the Joint Analysis and Probability Seminar at the University of Wisconsin in 2016^{[6]} and at the 8th Congress of Romanian Mathematics at Iasi, Romania in 2015,^{[7]} as well as the Midwest Women in Mathematics Symposium at the University of Illinois at Chicago in 2013.^{[8]}

## Awards and Honors[edit]

Nenciu won the UIC Teaching Recognition Program award in 2016 for her documented teaching excellence over the course of three years.^{[9]}^{[10]} While in her graduate program at the California Institute of Technology she was awarded three Scott Russell Johnson prizes: for excellence in first year graduate studies in 2002, for excellence in graduate research and teaching in 2004, and for excellence in graduate research and teaching in 2005.^{[11]} From these awards she was also named a Scott Russell Johnson fellow.^{[11]} She has also been awarded four grants from the National Science Foundation for her research work in mathematics from 2007 to 2018.^{[1]}^{[12]}

## References[edit]

- ↑
^{1.00}^{1.01}^{1.02}^{1.03}^{1.04}^{1.05}^{1.06}^{1.07}^{1.08}^{1.09}^{1.10}^{1.11}Nenciu, Irina. "Irina Nenciu Curriculum Vitae" (PDF).*UIC Math Department*. Retrieved February 5, 2020. Unknown parameter`|url-status=`

ignored (help) - ↑ Nenciu, Irina. "Irina Nenciu Citations".
*Google Scholar*. Retrieved February 5, 2020. Unknown parameter`|url-status=`

ignored (help) - ↑ "Christof Sparber".
*homepages.math.uic.edu*. Retrieved 2020-02-06. - ↑
^{4.0}^{4.1}^{4.2}^{4.3}^{4.4}^{4.5}^{4.6}^{4.7}^{4.8}"Publication List".*www.math.uic.edu*. Retrieved 2020-02-06. - ↑ "SIAM: SIAM Conference on Nonlinear Waves and Coherent Structures (NWCS16)".
*archive.siam.org*. Retrieved 2020-02-07. - ↑ "Past Probability Seminars Spring 2016 - UW-Math Wiki".
*www.math.wisc.edu*. Retrieved 2020-02-07. - ↑ "The Eighth Congress of Romanian Mathematicians".
*www.math.uaic.ro*. Retrieved 2020-02-07. - ↑ "Midwest WIMS 2013".
*homepages.math.uic.edu*. Retrieved 2020-02-07. - ↑ "Box".
*uofi.app.box.com*. Retrieved 2020-02-07. - ↑ "Teaching Recognition Program | Office of the Vice Provost for Faculty Affairs | University of Illinois at Chicago".
*faculty.uic.edu*. Retrieved 2020-02-07. - ↑
^{11.0}^{11.1}"Scott Russell Johnson Achievement Award Winners | The Division of Physics, Mathematics and Astronomy".*pma.divisions.caltech.edu*. Retrieved 2020-02-07. - ↑ "Faculty Early Career Development Program | NSF - National Science Foundation".
*www.nsf.gov*. Retrieved 2020-02-07.

## External links[edit]

- Irina Nenciu publications indexed by Google Scholar

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