Archis Ghate

Publication Activity (10 Years)

Years Active: 2008-2024
Publications (10 Years): 29

Top Topics

Markov Decision Process

Infinite Horizon

Top Venues

Oper. Res. Lett.

Publications

Zahra Ghatrani, Archis Ghate
Inverse optimization in semi-definite programs to impute unknown constraint matrices. Comput. Oper. Res. 168 (2024)
Sivaramakrishnan Ramani, Archis Ghate
A Family of \(\boldsymbol{s}\)-Rectangular Robust MDPs: Relative Conservativeness, Asymptotic Analyses, and Finite-Sample Properties. SIAM J. Optim. 34 (2) (2024)
Archis Ghate
Dual Ascent and Primal-Dual Algorithms for Infinite-Horizon Nonstationary Markov Decision Processes. SIAM J. Optim. 33 (3) (2023)
Sivaramakrishnan Ramani, Archis Ghate
Robust Markov Decision Processes with Data-Driven, Distance-Based Ambiguity Sets. SIAM J. Optim. 32 (2) (2022)
Archis Ghate
Inverse conic linear programs in Banach spaces. Optim. Lett. 15 (2) (2021)
Archis Ghate, Christopher Thomas Ryan, Robert L. Smith
A Simplex Method for Countably Infinite Linear Programs. SIAM J. Optim. 31 (4) (2021)
Archis Ghate
Robust continuous linear programs. Optim. Lett. 14 (7) (2020)
Ali Ajdari, Fatemeh Saberian, Archis Ghate
A Theoretical Framework for Learning Tumor Dose-Response Uncertainty in Individualized Spatiobiologically Integrated Radiotherapy. INFORMS J. Comput. 32 (4) (2020)
Archis Ghate
Inverse optimization in semi-infinite linear programs. Oper. Res. Lett. 48 (3) (2020)
Mahshid Salemi Parizi, Archis Ghate
Weakly Coupled Markov Decision Processes with Imperfect Information. WSC (2019)
Sevnaz Nourollahi, Archis Ghate
Inverse optimization in minimum cost flow problems on countably infinite networks. Networks 73 (3) (2019)
Jakob Kotas, Archis Ghate
Bayesian learning of dose-response parameters from a cohort under response-guided dosing. Eur. J. Oper. Res. 265 (1) (2018)
Mahshid Salemi Parizi, Yasin Gocgun, Archis Ghate
Approximate policy iteration for dynamic resource-constrained project scheduling. Oper. Res. Lett. 45 (5) (2017)
Archis Ghate
Duality in Countably Infinite Monotropic Programs. SIAM J. Optim. 27 (3) (2017)
Fatemeh Saberian, Archis Ghate, Minsun Kim
Spatiotemporally Optimal Fractionation in Radiotherapy. INFORMS J. Comput. 29 (3) (2017)
Sevnaz Nourollahi, Archis Ghate
Duality in convex minimum cost flow problems on infinite networks and hypernetworks. Networks 70 (2) (2017)
Archis Ghate
Robust optimization in countably infinite linear programs. Optim. Lett. 10 (4) (2016)
Saumya Sinha, Archis Ghate
Policy iteration for robust nonstationary Markov decision processes. Optim. Lett. 10 (8) (2016)
Ali Ajdari, Archis Ghate
A model predictive control approach for discovering nonstationary fluence-maps in cancer radiotherapy fractionation. WSC (2016)
Ali Ajdari, Archis Ghate
Robust spatiotemporally integrated fractionation in radiotherapy. Oper. Res. Lett. 44 (4) (2016)
Mahshid Salemi Parizi, Archis Ghate
Multi-class, multi-resource advance scheduling with no-shows, cancellations and overbooking. Comput. Oper. Res. 67 (2016)
Saumya Sinha, Jakob Kotas, Archis Ghate
Robust response-guided dosing. Oper. Res. Lett. 44 (3) (2016)
Mahshid Salemi Parizi, Archis Ghate
Lot-sizing in sequential auctions while learning bid and demand distributions. WSC (2016)
Fatemeh Saberian, Archis Ghate, Minsun Kim
Corrigendum to "A two-variable linear program solves the standard linear-quadratic formulation of the fractionation problem in cancer radiotherapy" [Oper. Res. Lett. 43(3) (2015) 254-258]. Oper. Res. Lett. 43 (4) (2015)
Archis Ghate
Optimal minimum bids and inventory scrapping in sequential, single-unit, Vickrey auctions with demand learning. Eur. J. Oper. Res. 245 (2) (2015)
Fatemeh Saberian, Archis Ghate, Minsun Kim
A two-variable linear program solves the standard linear-quadratic formulation of the fractionation problem in cancer radiotherapy. Oper. Res. Lett. 43 (3) (2015)
Archis Ghate
Circumventing the Slater conundrum in countably infinite linear programs. Eur. J. Oper. Res. 246 (3) (2015)
Timothy D. Lortz, Irina S. Dolinskaya, Archis Ghate, Robert L. Smith
Solvability in infinite horizon optimization. Oper. Res. Lett. 43 (5) (2015)
Archis Ghate
Inverse optimization in countably infinite linear programs. Oper. Res. Lett. 43 (3) (2015)
Archis Ghate, Robert L. Smith
A Linear Programming Approach to Nonstationary Infinite-Horizon Markov Decision Processes. Oper. Res. 61 (2) (2013)
Minsun Kim, Archis Ghate, Mark H. Phillips
A stochastic control formalism for dynamic biologically conformal radiation therapy. Eur. J. Oper. Res. 219 (3) (2012)
Yasin Gocgun, Archis Ghate
Lagrangian relaxation and constraint generation for allocation and advanced scheduling. Comput. Oper. Res. 39 (10) (2012)
Zelda B. Zabinsky, Wei Wang, Yanto Prasetio, Archis Ghate, Joyce W. Yen
Adaptive probabilistic branch and bound for level set approximation. WSC (2011)
Yasin Gocgun, Brian W. Bresnahan, Archis Ghate, Martin L. Gunn
A Markov decision process approach to multi-category patient scheduling in a diagnostic facility. Artif. Intell. Medicine 53 (2) (2011)
Marina A. Epelman, Archis Ghate, Robert L. Smith
Sampled fictitious play for approximate dynamic programming. Comput. Oper. Res. 38 (12) (2011)
Xi Chen, Archis Ghate, Arvind Tripathi
Dynamic lot-sizing in sequential online retail auctions. Eur. J. Oper. Res. 215 (1) (2011)
Yasin Gocgun, Archis Ghate
A Lagrangian approach to Dynamic Resource Allocation. WSC (2010)
Archis Ghate, Dushyant Sharma, Robert L. Smith
A Shadow Simplex Method for Infinite Linear Programs. Oper. Res. 58 (4-Part-1) (2010)
Archis Ghate, Robert L. Smith
Characterizing extreme points as basic feasible solutions in infinite linear programs. Oper. Res. Lett. 37 (1) (2009)
Wei Wang, Archis Ghate, Zelda B. Zabinsky
Adaptive parameterized improving hit-and-run for global optimization. Optim. Methods Softw. 24 (4-5) (2009)
Stephen Baumert, Archis Ghate, Seksan Kiatsupaibul, Yanfang Shen, Robert L. Smith, Zelda B. Zabinsky
Discrete Hit-and-Run for Sampling Points from Arbitrary Distributions Over Subsets of Integer Hyperrectangles. Oper. Res. 57 (3) (2009)
Archis Ghate, Robert L. Smith
A Hit-and-Run approach for generating scale invariant Small World networks. Networks 53 (1) (2009)
Archis Ghate, Robert L. Smith
Optimal Backlogging Over an Infinite Horizon Under Time-Varying Convex Production and Inventory Costs. Manuf. Serv. Oper. Manag. 11 (2) (2009)
Archis Ghate, Robert L. Smith
Adaptive search with stochastic acceptance probabilities for global optimization. Oper. Res. Lett. 36 (3) (2008)
Archis Ghate, Robert L. Smith
A dynamic programming approach to efficient sampling from Boltzmann distributions. Oper. Res. Lett. 36 (6) (2008)