Cosmin G. Petra

45 papers A 1C 1Journal 41Unranked 2

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A grid-scale study of demand bidding by large industrial users. Comput. Chem. Eng. Xin Tang, Cosmin G. Petra, Michael Baldea, Ross Baldick
2026	J	`jnl`	Algebraic Multigrid with Filtering: An Efficient Preconditioner for Interior Point Methods in Large-Scale Contact Mechanics Optimization. SIAM J. Sci. Comput. Socratis Petrides, Tucker Hartland, Tzanio V. Kolev, Chak Shing Lee, Michael Puso, Jerome Solberg, Eric B. Chin, Jingyi Wang, Cosmin G. Petra
2026	J	`jnl`	Practical Efficient Global Optimization is No-regret. CoRR Jingyi Wang, Haowei Wang, Naiyuan Chiang, Juliane Mueller, Tucker Hartland, Cosmin G. Petra
2025	J	`jnl`	A Constrained Multi-Fidelity Bayesian Optimization Method. CoRR Jingyi Wang, Naiyuan Chiang, Tucker Hartland, J. Luc Peterson, Jerome Solberg, Cosmin G. Petra
2025	J	`jnl`	AMG with Filtering: An Efficient Preconditioner for Interior Point Methods in Large-Scale Contact Mechanics Optimization. CoRR Socratis Petrides, Tucker Hartland, Tzanio V. Kolev, Chak Shing Lee, Michael Puso, Jerome Solberg, Eric B. Chin, Jingyi Wang, Cosmin G. Petra
2025	J	`jnl`	Bayesian Optimization with Expected Improvement: No Regret and the Choice of Incumbent. CoRR Jingyi Wang, Haowei Wang, Szu Hui Ng, Cosmin G. Petra
2025	J	`jnl`	Convergence Rates of Constrained Expected Improvement. CoRR Haowei Wang, Jingyi Wang, Zhongxiang Dai, Naiyuan Chiang, Szu Hui Ng, Cosmin G. Petra
2025	J	`jnl`	On the convergence of noisy Bayesian Optimization with Expected Improvement. CoRR Jingyi Wang, Haowei Wang, Cosmin G. Petra, Naiyuan Chiang
2024	J	`jnl`	A Scalable Interior-Point Gauss-Newton Method for PDE-Constrained Optimization with Bound Constraints. CoRR Tucker Hartland, Cosmin G. Petra, Noemi Petra, Jingyi Wang
2024	J	`jnl`	Advanced Computing is at the Forefront of a New "Moonshot" Revolutionizing the North American Power Grid. Comput. Sci. Eng. Christopher S. Oehmen, Slaven Peles, Katarzyna Swirydowicz, Cosmin G. Petra, Shrirang Abhyankar, Wesley B. Jones, Matthew Reynolds, Cameron Rutherford
2024	J	`jnl`	Design optimization in unilateral contact using pressure constraints and Bayesian optimization. CoRR Jingyi Wang, Jerome Solberg, Mike A. Puso, Eric B. Chin, Cosmin G. Petra
2024	J	`jnl`	On Improved Regret Bounds In Bayesian Optimization with Gaussian Noise. CoRR Jingyi Wang, Haowei Wang, Cosmin G. Petra, Naiyuan Chiang
2023	J	`jnl`	A Sequential Quadratic Programming Algorithm for Nonsmooth Problems with Upper- \({\boldsymbol{\mathcal{C}^2}}\) Objective. SIAM J. Optim. Jingyi Wang, Cosmin G. Petra
2023	J	`jnl`	A Surrogate-Based Asynchronous Decomposition Technique for Realistic Security-Constrained Optimal Power Flow Problems. Oper. Res. Cosmin G. Petra, Ignacio Aravena
2023	J	`jnl`	HyKKT: a hybrid direct-iterative method for solving KKT linear systems. Optim. Methods Softw. Shaked Regev, Naiyuan Chiang, Eric Darve, Cosmin G. Petra, Michael A. Saunders, Kasia Swirydowicz, Slaven Peles
2023	J	`jnl`	On the implementation of a quasi-Newton interior-point method for PDE-constrained optimization using finite element discretizations. Optim. Methods Softw. Cosmin G. Petra, Miguel A. Salazar de Troya, Noemi Petra, Youngsoo Choi, Geoffrey M. Oxberry, Daniel A. Tortorelli
2023	J	`jnl`	Recent Developments in Security-Constrained AC Optimal Power Flow: Overview of Challenge 1 in the ARPA-E Grid Optimization Competition. Oper. Res. 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
2022	J	`jnl`	A simplified nonsmooth nonconvex bundle method with applications to security-constrained ACOPF problems. CoRR Jingyi Wang, Cosmin G. Petra
2022	J	`jnl`	Compact representations of structured BFGS matrices. CoRR Johannes J. Brust, Zichao Wendy Di, Sven Leyffer, Cosmin G. Petra
2022	J	`jnl`	Large-Scale Optimization with Linear Equality Constraints Using Reduced Compact Representation. SIAM J. Sci. Comput. Johannes J. Brust, Roummel F. Marcia, Cosmin G. Petra, Michael A. Saunders
2021	J	`jnl`	A Hybrid Direct-Iterative Method for Solving KKT Linear Systems. CoRR Shaked Regev, Naiyuan Chiang, Eric Darve, Cosmin G. Petra, Michael A. Saunders, Kasia Swirydowicz, Slaven Peles
2021	C	`conf`	An asynchronous distributed-memory optimization solver for two-stage stochastic programming problems. ISPDC Jingyi Wang, Naiyuan Chiang, Cosmin G. Petra
2021	J	`jnl`	Another source of mesh dependence in topology optimization. CoRR Miguel A. Salazar de Troya, Geoffrey M. Oxberry, Cosmin G. Petra, Daniel A. Tortorelli
2021	J	`jnl`	Compact representations of structured BFGS matrices. Comput. Optim. Appl. Johannes J. Brust, Zichao (Wendy) Di, Sven Leyffer, Cosmin G. Petra
2021	J	`jnl`	Large-scale Optimization with Linear Equality Constraints using Reduced Compact Representation. CoRR Johannes J. Brust, Roummel F. Marcia, Cosmin G. Petra, Michael A. Saunders
2020	J	`jnl`	Computationally Efficient Decompositions of Oblique Projection Matrices. SIAM J. Matrix Anal. Appl. Johannes Brust, Roummel F. Marcia, Cosmin G. Petra
2020	J	`jnl`	Statistical Treatment of Inverse Problems Constrained by Differential Equations-Based Models with Stochastic Terms. SIAM/ASA J. Uncertain. Quantification Emil M. Constantinescu, Noémi Petra, Julie Bessac, Cosmin G. Petra
2019	J	`jnl`	A Structured Quasi-Newton Algorithm for Optimizing with Incomplete Hessian Information. SIAM J. Optim. Cosmin G. Petra, Naiyuan Chiang, Mihai Anitescu
2019	J	`jnl`	A homogeneous model for monotone mixed horizontal linear complementarity problems. Comput. Optim. Appl. Cosmin G. Petra, Florian A. Potra
2019	J	`jnl`	A memory-distributed quasi-Newton solver for nonlinear programming problems with a small number of general constraints. J. Parallel Distributed Comput. Cosmin G. Petra
2019	J	`jnl`	An Asynchronous Bundle-Trust-Region Method for Dual Decomposition of Stochastic Mixed-Integer Programming. SIAM J. Optim. Kibaek Kim, Cosmin G. Petra, Victor M. Zavala
2019	J	`jnl`	Large-scale quasi-Newton trust-region methods with low-dimensional linear equality constraints. Comput. Optim. Appl. Johannes Brust, Roummel F. Marcia, Cosmin G. Petra
2018	J	`jnl`	On efficient Hessian computation using the edge pushing algorithm in Julia. Optim. Methods Softw. Cosmin G. Petra, Feng Qiang, Miles Lubin, Joey Huchette
2014	J	`jnl`	An Augmented Incomplete Factorization Approach for Computing the Schur Complement in Stochastic Optimization. SIAM J. Sci. Comput. Cosmin G. Petra, Olaf Schenk, Miles Lubin, Klaus Gärtner
2014	—	`conf`	Parallel algebraic modeling for stochastic optimization. HPTCDL@SC Joey Huchette, Miles Lubin, Cosmin G. Petra
2014	J	`jnl`	Real-Time Stochastic Optimization of Complex Energy Systems on High-Performance Computers. Comput. Sci. Eng. Cosmin G. Petra, Olaf Schenk, Mihai Anitescu
2014	—	`conf`	Structured nonconvex optimization of large-scale energy systems using PIPS-NLP. PSCC Naiyuan Chiang, Cosmin G. Petra, Victor M. Zavala
2013	J	`jnl`	On parallelizing dual decomposition in stochastic integer programming. Oper. Res. Lett. Miles Lubin, R. Kipp Martin, Cosmin G. Petra, Burhaneddin Sandikçi
2013	J	`jnl`	Parallel distributed-memory simplex for large-scale stochastic LP problems. Comput. Optim. Appl. Miles Lubin, J. A. Julian Hall, Cosmin G. Petra, Mihai Anitescu
2012	J	`jnl`	A preconditioning technique for Schur complement systems arising in stochastic optimization. Comput. Optim. Appl. Cosmin G. Petra, Mihai Anitescu
2012	J	`jnl`	Multigrid Preconditioning of Linear Systems for Interior Point Methods Applied to a Class of Box-constrained Optimal Control Problems. SIAM J. Numer. Anal. Andrei Draganescu, Cosmin G. Petra
2012	J	`jnl`	The parallel solution of dense saddle-point linear systems arising in stochastic programming. Optim. Methods Softw. Miles Lubin, Cosmin G. Petra, Mihai Anitescu
2011	J	`jnl`	Corrector-predictor methods for sufficient linear complementarity problems. Comput. Optim. Appl. Filiz Gürtuna, Cosmin G. Petra, Florian A. Potra, Olena Shevchenko, Adrian Vancea
2011	A	`conf`	Scalable stochastic optimization of complex energy systems. SC Miles Lubin, Cosmin G. Petra, Mihai Anitescu, Victor M. Zavala
2009	J	`jnl`	A computational study of the use of an optimization-based method for simulating large multibody systems. Optim. Methods Softw. Cosmin G. Petra, Bogdan I. Gavrea, Mihai Anitescu, Florian A. Potra