Published

Abhishek Roy, Krishnakumar Balasubramanian, and Saeed Ghadimi, "Projection-free Constrained Stochastic Nonconvex Optimization with State-dependent Markov Data", (to appear) NeurIPS (2022).

Tesi Xiao, Krishnakumar Balasubramanian, Saeed Ghadimi, "A Projection-free Algorithm for Constrained Multi-level Stochastic Composition Optimization", (to appear) NeurIPS (2022).
Krishnakumar Balasubramanian, Saeed Ghadimi, and Anthony Nguyen, "Stochastic Multi-level Composition Optimization Algorithms with Level-Independent Convergence Rates", SIAM Journal on Optimization 32 (2022), 519-544.

Abhishek Roy, Krishnakumar Balasubramanian, Saeed Ghadimi, and Prasant Mohapatra, Stochastic Zeroth-Order Optimization under Nonstationary and Nonconvexity, Journal of Machine Learning Research 23 (2022), 1-47.

Tesi Xiao, Krishnakumar Balasubramanian, and Saeed Ghadimi , "Improved Complexities for Stochastic Conditional Gradient Methods under Interpolation-like Conditions", Operations Research Letters, 50 (2022), 184-189.

Abhishek Roy, Lingqing Shen, Krishna Balasubramanian, and Saeed Ghadimi,Stochastic Zeroth-order Discretizations of Langevin Diffusions for Bayesian Inference, Bernoulli 28 (2022), 1810-1834.

Krishna Balasubramanian and Saeed Ghadimi,Zeroth-order Nonconvex Stochastic Optimization: Handling Constraints, High-Dimensionality, and Saddle-Points, Foundations of Computational Mathematics 22 (2022), 35-76.

Abhishek Roy, Krishnakumar Balasubramanian, Saeed Ghadimi, and Prasant Mohapatra, ``Escaping Saddle-Points Faster under Interpolation-like Conditions'', NeurIPS (2020).

Saeed Ghadimi, Andrzej Ruszczynski, and Mengdi Wang,A Single Time-Scale Stochastic Approximation Method for Nested Stochastic Optimization”. SIAM Journal on Optimization (2020): 30(1), 960–979 .

Saeed Ghadimi, Guanghui Lan, and Hongchao Zhang,Generalized Uniformly Optimal Methods for Nonlinear Programming”. Journal of Scientific Computing (2019): 79, 1854–1881.

Krishna Balasubramanian, and Saeed Ghadimi,Zeroth-order (Non)-Convex Stochastic Optimization via Conditional Gradient and Gradient Updates”. NeurIPS (2018).

Saeed Ghadimi,Conditional Gradient Type Methods for Composite Nonlinear and Stochastic Optimization”. Mathematical Programming (2019): 173, 431–464.

Saeed Ghadimi, Hongchao Zhang, and Guanghui Lan,Mini-batch Stochastic Approximation Methods for Nonconvex Stochastic Composite Optimization”. Mathematical Programming (2016):155, 267-305.

Saeed Ghadimi and Guanghui Lan,Accelerated Gradient Methods for Nonconvex Nonlinear and Stochastic Programming”. Mathematical Programming (2016): 156, 59-99.

Reza Zanjirani Farahani, W Y Szeto, and Saeed Ghadimi,The Single Facility Location Problem with Time-dependent Weights and Relocation Cost Over a Continuous Time Horizon”. Journal of the Operational Research Society (2014): 66(2), 1-13.

Saeed Ghadimi, Ferenc Szidarovszky, Reza Zanjirani Farahani, and Alireza yousefzadeh Khiabani, Coordination of Advertising in Supply Management with Cooperating Manufacturer and Retailers”. IMA Journal of Management Mathematics (2013): 24(1), 1-19.

Saeed Ghadimi and Guanghui Lan,Optimal Stochastic Approximation Algorithms for Strongly Convex Stochastic Composite Optimization, II: Shrinking Procedures and Optimal Algorithms”. SIAM Journal on Optimization (2013): 23(4), 2061-2089.

Saeed Ghadimi and Guanghui Lan,Stochastic First- and Zeroth-order Methods for NonconvexStochastic Programming”. SIAM Journal on Optimization (2013): 23(4), 2341-2368.

Saeed Ghadimi and Guanghui Lan,Optimal Stochastic Approximation Algorithms for Strongly Convex Stochastic Composite Optimization, I: a Generic Algorithmic Framework”. SIAM Journal on Optimization (2012): 22(4), 1469-1492.