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Abolfazl Hashemi
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2020 – today
- 2023
- [i20]Vishnu Pandi Chellapandi, Antesh Upadhyay, Abolfazl Hashemi, Stanislaw H. Zak:
On the Convergence of Decentralized Federated Learning Under Imperfect Information Sharing. CoRR abs/2303.10695 (2023) - [i19]Sai Aparna Aketi, Abolfazl Hashemi, Kaushik Roy:
Global Update Tracking: A Decentralized Learning Algorithm for Heterogeneous Data. CoRR abs/2305.04792 (2023) - 2022
- [j7]Abolfazl Hashemi
, Rasoul Shafipour, Haris Vikalo, Gonzalo Mateos
:
Towards accelerated greedy sampling and reconstruction of bandlimited graph signals. Signal Process. 195: 108505 (2022) - [j6]Yiyue Chen
, Abolfazl Hashemi
, Haris Vikalo
:
Communication-Efficient Variance-Reduced Decentralized Stochastic Optimization Over Time-Varying Directed Graphs. IEEE Trans. Autom. Control. 67(12): 6583-6594 (2022) - [j5]Abolfazl Hashemi
, Anish Acharya
, Rudrajit Das
, Haris Vikalo
, Sujay Sanghavi, Inderjit S. Dhillon:
On the Benefits of Multiple Gossip Steps in Communication-Constrained Decentralized Federated Learning. IEEE Trans. Parallel Distributed Syst. 33(11): 2727-2739 (2022) - [j4]Abolfazl Hashemi
, Haris Vikalo
, Gustavo de Veciana
:
On the Benefits of Progressively Increasing Sampling Sizes in Stochastic Greedy Weak Submodular Maximization. IEEE Trans. Signal Process. 70: 3978-3992 (2022) - [c20]Anish Acharya, Abolfazl Hashemi, Prateek Jain, Sujay Sanghavi, Inderjit S. Dhillon, Ufuk Topcu:
Robust Training in High Dimensions via Block Coordinate Geometric Median Descent. AISTATS 2022: 11145-11168 - [c19]Rudrajit Das, Anish Acharya, Abolfazl Hashemi, Sujay Sanghavi, Inderjit S. Dhillon, Ufuk Topcu:
Faster non-convex federated learning via global and local momentum. UAI 2022: 496-506 - [i18]Niklas T. Lauffer, Mahsa Ghasemi, Abolfazl Hashemi, Yagiz Savas, Ufuk Topcu:
No-Regret Learning in Dynamic Stackelberg Games. CoRR abs/2202.04786 (2022) - 2021
- [j3]Abolfazl Hashemi
, Mahsa Ghasemi
, Haris Vikalo
, Ufuk Topcu
:
Randomized Greedy Sensor Selection: Leveraging Weak Submodularity. IEEE Trans. Autom. Control. 66(1): 199-212 (2021) - [c18]Mahsa Ghasemi, Abolfazl Hashemi, Haris Vikalo, Ufuk Topcu:
Online Learning with Implicit Exploration in Episodic Markov Decision Processes. ACC 2021: 1953-1958 - [c17]Abolfazl Hashemi, Haris Vikalo, Gustavo de Veciana:
On the Performance-Complexity Tradeoff in Stochastic Greedy Weak Submodular Optimization. ICASSP 2021: 3540-3544 - [c16]Yiyue Chen, Abolfazl Hashemi, Haris Vikalo:
Decentralized Optimization on Time-Varying Directed Graphs Under Communication Constraints. ICASSP 2021: 3670-3674 - [c15]Yagiz Savas, Abolfazl Hashemi, Abraham P. Vinod, Brian M. Sadler, Ufuk Topcu:
Physical-Layer Security via Distributed Beamforming in the Presence of Adversaries with Unknown Locations. ICASSP 2021: 4685-4689 - [c14]Mahsa Ghasemi, Abolfazl Hashemi, Haris Vikalo, Ufuk Topcu:
No-regret learning with high-probability in adversarial Markov decision processes. UAI 2021: 992-1001 - [i17]Yiyue Chen, Abolfazl Hashemi, Haris Vikalo:
Communication-Efficient Variance-Reduced Decentralized Stochastic Optimization over Time-Varying Directed Graphs. CoRR abs/2101.09583 (2021) - [i16]Abolfazl Hashemi, Hayden Schaeffer, Robert Shi, Ufuk Topcu, Giang Tran, Rachel Ward:
Function Approximation via Sparse Random Features. CoRR abs/2103.03191 (2021) - [i15]Rudrajit Das, Abolfazl Hashemi, Sujay Sanghavi, Inderjit S. Dhillon:
DP-NormFedAvg: Normalizing Client Updates for Privacy-Preserving Federated Learning. CoRR abs/2106.07094 (2021) - [i14]Anish Acharya, Abolfazl Hashemi, Prateek Jain, Sujay Sanghavi, Inderjit S. Dhillon, Ufuk Topcu:
Robust Training in High Dimensions via Block Coordinate Geometric Median Descent. CoRR abs/2106.08882 (2021) - [i13]Farzan Memarian, Abolfazl Hashemi, Scott Niekum, Ufuk Topcu:
Robust Generative Adversarial Imitation Learning via Local Lipschitzness. CoRR abs/2107.00116 (2021) - 2020
- [c13]Mahsa Ghasemi, Abolfazl Hashemi, Haris Vikalo, Ufuk Topcu
:
Identifying Sparse Low-Dimensional Structures in Markov Chains: A Nonnegative Matrix Factorization Approach. ACC 2020: 1093-1098 - [i12]Yiyue Chen, Abolfazl Hashemi, Haris Vikalo:
Communication-Efficient Algorithms for Decentralized Optimization Over Directed Graphs. CoRR abs/2005.13189 (2020) - [i11]Abolfazl Hashemi, Anish Acharya, Rudrajit Das, Haris Vikalo, Sujay Sanghavi, Inderjit S. Dhillon:
On the Benefits of Multiple Gossip Steps in Communication-Constrained Decentralized Optimization. CoRR abs/2011.10643 (2020) - [i10]Rudrajit Das, Abolfazl Hashemi, Sujay Sanghavi, Inderjit S. Dhillon:
Improved Convergence Rates for Non-Convex Federated Learning with Compression. CoRR abs/2012.04061 (2020)
2010 – 2019
- 2019
- [c12]Mahsa Ghasemi, Abolfazl Hashemi, Ufuk Topcu
, Haris Vikalo:
On Submodularity of Quadratic Observation Selection in Constrained Networked Sensing Systems. ACC 2019: 4671-4676 - [c11]Rasoul Shafipour, Abolfazl Hashemi, Gonzalo Mateos
, Haris Vikalo:
Online Topology Inference from Streaming Stationary Graph Signals. DSW 2019: 140-144 - [c10]Abolfazl Hashemi, Haris Vikalo:
Evolutionary Subspace Clustering: Discovering Structure in Self-expressive Time-series Data. ICASSP 2019: 3707-3711 - [c9]Shorya Consul, Abolfazl Hashemi, Haris Vikalo:
A Map Framework for Support Recovery of Sparse Signals Using Orthogonal Least Squares. ICASSP 2019: 5127-5131 - [c8]Abolfazl Hashemi, Mahsa Ghasemi, Haris Vikalo, Ufuk Topcu:
Submodular Observation Selection and Information Gathering for Quadratic Models. ICML 2019: 2653-2662 - [i9]Gustavo de Veciana, Abolfazl Hashemi, Haris Vikalo:
Stochastic-Greedy++: Closing the Optimality Gap in Exact Weak Submodular Maximization. CoRR abs/1907.09064 (2019) - [i8]Mahsa Ghasemi, Abolfazl Hashemi, Haris Vikalo, Ufuk Topcu:
Identifying Low-Dimensional Structures in Markov Chains: A Nonnegative Matrix Factorization Approach. CoRR abs/1909.12898 (2019) - 2018
- [j2]Abolfazl Hashemi
, Haris Vikalo:
Accelerated orthogonal least-squares for large-scale sparse reconstruction. Digit. Signal Process. 82: 91-105 (2018) - [j1]Abolfazl Hashemi
, Haris Vikalo
:
Evolutionary Self-Expressive Models for Subspace Clustering. IEEE J. Sel. Top. Signal Process. 12(6): 1534-1546 (2018) - [c7]Abolfazl Hashemi, Mahsa Ghasemi, Haris Vikalo, Ufuk Topcu
:
A Randomized Greedy Algorithm for Near-Optimal Sensor Scheduling in Large-Scale Sensor Networks. ACC 2018: 1027-1032 - [c6]Abolfazl Hashemi, Osman Fatih Kiliç, Haris Vikalo:
Near-Optimal Distributed Estimation for a Network of Sensing Units Operating Under Communication Constraints. CDC 2018: 2890-2895 - [c5]Abolfazl Hashemi, Rasoul Shafipour, Haris Vikalo, Gonzalo Mateos:
A Novel Scheme for Support Identification and Iterative Sampling of Bandlimited Graph Signals. GlobalSIP 2018: 778-782 - [c4]Abolfazl Hashemi, Rasoul Shafipour, Haris Vikalo, Gonzalo Mateos:
Sampling and Reconstruction of Graph Signals via Weak Submodularity and Semidefinite Relaxation. ICASSP 2018: 4179-4183 - [i7]Abolfazl Hashemi, Haris Vikalo:
Evolutionary Self-Expressive Models for Subspace Clustering. CoRR abs/1810.11957 (2018) - 2017
- [c3]Abolfazl Hashemi, Banghua Zhu, Haris Vikalo:
Sparse Tensor Decomposition for Haplotype Assembly of Diploids and Polyploids. BCB 2017: 764-765 - [c2]Abolfazl Hashemi, Haris Vikalo:
Recovery of sparse signals via Branch and Bound Least-Squares. ICASSP 2017: 4760-4764 - [i6]Abolfazl Hashemi, Mahsa Ghasemi, Haris Vikalo, Ufuk Topcu:
A Randomized Greedy Algorithm for Near-Optimal Sensor Scheduling in Large-Scale Sensor Networks. CoRR abs/1709.08823 (2017) - [i5]Abolfazl Hashemi, Haris Vikalo:
Accelerated Sparse Subspace Clustering. CoRR abs/1711.00126 (2017) - [i4]Abolfazl Hashemi, Rasoul Shafipour, Haris Vikalo, Gonzalo Mateos
:
Sampling and Reconstruction of Graph Signals via Weak Submodularity and Semidefinite Relaxation. CoRR abs/1711.00142 (2017) - 2016
- [c1]Abolfazl Hashemi, Haris Vikalo:
Sparse linear regression via generalized orthogonal least-squares. GlobalSIP 2016: 1305-1309 - [i3]Abolfazl Hashemi, Haris Vikalo:
Sparse Linear Regression via Generalized Orthogonal Least-Squares. CoRR abs/1602.06916 (2016) - [i2]Abolfazl Hashemi, Haris Vikalo:
Sampling Requirements and Accelerated Schemes for Sparse Linear Regression with Orthogonal Least-Squares. CoRR abs/1608.02549 (2016) - [i1]Abolfazl Hashemi, Haris Vikalo:
Sparse recovery via Orthogonal Least-Squares under presence of Noise. CoRR abs/1608.02554 (2016)
Coauthor Index

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last updated on 2023-05-13 23:13 CEST by the dblp team
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