Argonne National Laboratory

Cosmin G. Petra

Asst. computational mathematician @ LANS @ MCS @ ANL

  • Address:
    Laboratory for Advanced Numerical Simulations (LANS)
    Mathematics and Computer Science (MCS) Division
    Argonne National Laboratory (ANL)
    9700 S. Cass Avenue, Bldg. 240
    Lemont, IL 60439, USA
  • Phone/Fax: (630) 252-6583 / (630) 252-5986
  • E-mail: username: petra   domain:
Cosmin G. Petra


  • 2012-present - Asst. computational mathematician, MCS Division, Argonne National Laboratory.
  • 2009-2012 - Postdoctoral Appointee, MCS Division, Argonne National Laboratory.


  • 2006-2009 Ph.D. in Applied Mathematics - University of Maryland, Baltimore County, Baltimore, Maryland
  • 2005-2006 M.S. in Applied Mathematics - University of Maryland, Baltimore County, Baltimore, Maryland
  • 1998-2002 B.S. in Mathematics and Computer Science - Universitatea Babeş-Bolyai, Cluj-Napoca, Romania


Research Interests

  • Numerical optimization
  • Stochastic optimization of energy systems
  • Large scale linear algebra
  • High performance computing

Recent publications

  • J. Huchette, M. Lubin, C. G. Petra, Parallel algebraic modeling for stochastic optimization. Accepted to the First Workshop for High Performance Technical Computing in Dynamic Languages (HPTCDL), SC'14. ANL preprint.
  • C. G. Petra, V.M. Zavala, E. N. Ruiz, M. Anitescu, Economic Impacts of Wind Covariance Estimation on Power Grid Operations. to be submitted, ANL preprint.
  • N. Chiang, C. G. Petra, V. M. Zavala, Structured Nonconvex Optimization of Large-Scale Energy Systems Using PIPS-NLP. 18th IEEE Power Systems Computations Conference.
  • C. G. Petra, Olaf Schenk, Miles Lubin, Klaus Gaertner. An augmented incomplete factorization approach for computing the Schur complement in stochastic optimization. SIAM J. Sci. Comput., 36-2, pages C139-C162, 2014. DOI.
  • C. G. Petra, O. Schenk, M. Anitescu. Real-time Stochastic Optimization of Complex Energy Systems on High Performance Computers. Computing in Science & Engineering (CiSE) 16(5), pages 32-42. DOI.
  • M. Lubin, J. A. J. Hall, C. G. Petra, and M. Anitescu. Parallel distributed-memory simplex for large-scale stochastic LP problems., Computational Optimization and Applications 55(3), pages 571-596, 2013, DOI , ANL preprint. Coin-OR INFORMS 2013 Cup winner.
  • ...

Recent talks