Cosmin G. Petra

Publication Activity (10 Years)

Years Active: 2009-2024
Publications (10 Years): 22

Top Topics

Compact Representations

Nonlinear Programming

Quadratic Program

Stochastic Programming Problems

Top Venues

Comput. Optim. Appl.

Optim. Methods Softw.

Publications

Jingyi Wang, Jerome Solberg, Mike A. Puso, Eric B. Chin, Cosmin G. Petra
Design optimization in unilateral contact using pressure constraints and Bayesian optimization. CoRR (2024)
Shaked Regev, Naiyuan Chiang, Eric Darve, Cosmin G. Petra, Michael A. Saunders, Kasia Swirydowicz, Slaven Peles
HyKKT: a hybrid direct-iterative method for solving KKT linear systems. Optim. Methods Softw. 38 (2) (2023)
Ignacio Aravena, Daniel K. Molzahn, Shixuan Zhang, Cosmin G. Petra, Frank E. Curtis, Shenyinying Tu, Andreas Wächter, Ermin Wei, Elizabeth Wong, Amin Gholami, Kaizhao Sun, Xu Andy Sun, Stephen T. Elbert, Jesse Holzer, Arun Veeramany
Recent Developments in Security-Constrained AC Optimal Power Flow: Overview of Challenge 1 in the ARPA-E Grid Optimization Competition. Oper. Res. 71 (6) (2023)
Jingyi Wang, Cosmin G. Petra
A Sequential Quadratic Programming Algorithm for Nonsmooth Problems with Upper- \({\boldsymbol{\mathcal{C}^2}}\) Objective. SIAM J. Optim. 33 (3) (2023)
Cosmin G. Petra, Ignacio Aravena
A Surrogate-Based Asynchronous Decomposition Technique for Realistic Security-Constrained Optimal Power Flow Problems. Oper. Res. 71 (6) (2023)
Cosmin G. Petra, Miguel A. Salazar de Troya, Noemi Petra, Youngsoo Choi, Geoffrey M. Oxberry, Daniel A. Tortorelli
On the implementation of a quasi-Newton interior-point method for PDE-constrained optimization using finite element discretizations. Optim. Methods Softw. 38 (1) (2023)
Johannes J. Brust, Roummel F. Marcia, Cosmin G. Petra, Michael A. Saunders
Large-Scale Optimization with Linear Equality Constraints Using Reduced Compact Representation. SIAM J. Sci. Comput. 44 (1) (2022)
Jingyi Wang, Cosmin G. Petra
A simplified nonsmooth nonconvex bundle method with applications to security-constrained ACOPF problems. CoRR (2022)
Johannes J. Brust, Zichao Wendy Di, Sven Leyffer, Cosmin G. Petra
Compact representations of structured BFGS matrices. CoRR (2022)
Miguel A. Salazar de Troya, Geoffrey M. Oxberry, Cosmin G. Petra, Daniel A. Tortorelli
Another source of mesh dependence in topology optimization. CoRR (2021)
Johannes J. Brust, Roummel F. Marcia, Cosmin G. Petra, Michael A. Saunders
Large-scale Optimization with Linear Equality Constraints using Reduced Compact Representation. CoRR (2021)
Shaked Regev, Naiyuan Chiang, Eric Darve, Cosmin G. Petra, Michael A. Saunders, Kasia Swirydowicz, Slaven Peles
A Hybrid Direct-Iterative Method for Solving KKT Linear Systems. CoRR (2021)
Jingyi Wang, Naiyuan Chiang, Cosmin G. Petra
An asynchronous distributed-memory optimization solver for two-stage stochastic programming problems. ISPDC (2021)
Johannes J. Brust, Zichao (Wendy) Di, Sven Leyffer, Cosmin G. Petra
Compact representations of structured BFGS matrices. Comput. Optim. Appl. 80 (1) (2021)
Emil M. Constantinescu, Noémi Petra, Julie Bessac, Cosmin G. Petra
Statistical Treatment of Inverse Problems Constrained by Differential Equations-Based Models with Stochastic Terms. SIAM/ASA J. Uncertain. Quantification 8 (1) (2020)
Johannes Brust, Roummel F. Marcia, Cosmin G. Petra
Computationally Efficient Decompositions of Oblique Projection Matrices. SIAM J. Matrix Anal. Appl. 41 (2) (2020)
Kibaek Kim, Cosmin G. Petra, Victor M. Zavala
An Asynchronous Bundle-Trust-Region Method for Dual Decomposition of Stochastic Mixed-Integer Programming. SIAM J. Optim. 29 (1) (2019)
Cosmin G. Petra, Florian A. Potra
A homogeneous model for monotone mixed horizontal linear complementarity problems. Comput. Optim. Appl. 72 (1) (2019)
Cosmin G. Petra, Naiyuan Chiang, Mihai Anitescu
A Structured Quasi-Newton Algorithm for Optimizing with Incomplete Hessian Information. SIAM J. Optim. 29 (2) (2019)
Cosmin G. Petra
A memory-distributed quasi-Newton solver for nonlinear programming problems with a small number of general constraints. J. Parallel Distributed Comput. 133 (2019)
Johannes Brust, Roummel F. Marcia, Cosmin G. Petra
Large-scale quasi-Newton trust-region methods with low-dimensional linear equality constraints. Comput. Optim. Appl. 74 (3) (2019)
Cosmin G. Petra, Feng Qiang, Miles Lubin, Joey Huchette
On efficient Hessian computation using the edge pushing algorithm in Julia. Optim. Methods Softw. 33 (4-6) (2018)
Naiyuan Chiang, Cosmin G. Petra, Victor M. Zavala
Structured nonconvex optimization of large-scale energy systems using PIPS-NLP. PSCC (2014)
Cosmin G. Petra, Olaf Schenk, Mihai Anitescu
Real-Time Stochastic Optimization of Complex Energy Systems on High-Performance Computers. Comput. Sci. Eng. 16 (5) (2014)
Cosmin G. Petra, Olaf Schenk, Miles Lubin, Klaus Gärtner
An Augmented Incomplete Factorization Approach for Computing the Schur Complement in Stochastic Optimization. SIAM J. Sci. Comput. 36 (2) (2014)
Joey Huchette, Miles Lubin, Cosmin G. Petra
Parallel algebraic modeling for stochastic optimization. HPTCDL@SC (2014)
Miles Lubin, J. A. Julian Hall, Cosmin G. Petra, Mihai Anitescu
Parallel distributed-memory simplex for large-scale stochastic LP problems. Comput. Optim. Appl. 55 (3) (2013)
Miles Lubin, R. Kipp Martin, Cosmin G. Petra, Burhaneddin Sandikçi
On parallelizing dual decomposition in stochastic integer programming. Oper. Res. Lett. 41 (3) (2013)
Cosmin G. Petra, Mihai Anitescu
A preconditioning technique for Schur complement systems arising in stochastic optimization. Comput. Optim. Appl. 52 (2) (2012)
Miles Lubin, Cosmin G. Petra, Mihai Anitescu
The parallel solution of dense saddle-point linear systems arising in stochastic programming. Optim. Methods Softw. 27 (4-5) (2012)
Andrei Draganescu, Cosmin G. Petra
Multigrid Preconditioning of Linear Systems for Interior Point Methods Applied to a Class of Box-constrained Optimal Control Problems. SIAM J. Numer. Anal. 50 (1) (2012)
Filiz Gürtuna, Cosmin G. Petra, Florian A. Potra, Olena Shevchenko, Adrian Vancea
Corrector-predictor methods for sufficient linear complementarity problems. Comput. Optim. Appl. 48 (3) (2011)
Miles Lubin, Cosmin G. Petra, Mihai Anitescu, Victor M. Zavala
Scalable stochastic optimization of complex energy systems. SC (2011)
Cosmin G. Petra, Bogdan I. Gavrea, Mihai Anitescu, Florian A. Potra
A computational study of the use of an optimization-based method for simulating large multibody systems. Optim. Methods Softw. 24 (6) (2009)