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ORCIDDionysios S. Kalogerias
Dionysis Kalogerias
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- affiliation: Yale University, Department of Electrical Engineering, New Haven, USA
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2020 – today
- 2024
[j12]Hassaan Hashmi
, Spyridon Pougkakiotis, Dionysis Kalogerias:
Model-Free Learning of Two-Stage Beamformers for Passive IRS-Aided Network Design. IEEE Trans. Signal Process. 72: 652-669 (2024)- [c30]Dionysis Kalogerias, Spyridon Pougkakiotis:
Strong Duality Relations in Nonconvex Risk-Constrained Learning. CISS 2024: 1-6 - [c29]Gokberk Yaylali, Dionysios S. Kalogerias:
Stochastic Resource Allocation via Dual Tail Waterfilling. CISS 2024: 1-6 - [c28]Periklis Theodoropoulos, Konstantinos E. Nikolakakis, Dionysis Kalogerias:
Federated Learning under Restricted user Availability. ICASSP 2024: 7055-7059 - [c27]Patrik Okanovic, Roger Waleffe, Vasilis Mageirakos, Konstantinos E. Nikolakakis, Amin Karbasi, Dionysios S. Kalogerias, Nezihe Merve Gürel, Theodoros Rekatsinas:
Repeated Random Sampling for Minimizing the Time-to-Accuracy of Learning. ICLR 2024 - [i37]Konstantinos E. Nikolakakis, George Chantzialexiou, Dionysis Kalogerias:
FEDSTR: Money-In AI-Out | A Decentralized Marketplace for Federated Learning and LLM Training on the NOSTR Protocol. CoRR abs/2404.15834 (2024) - [i36]Spyridon Pougkakiotis, Jacek Gondzio, Dionysis Kalogerias:
An efficient active-set method with applications to sparse approximations and risk minimization. CoRR abs/2405.04172 (2024) - [i35]Baturay Saglam, Dionysis Kalogerias:
Compatible Gradient Approximations for Actor-Critic Algorithms. CoRR abs/2409.01477 (2024) - [i34]Panagiotis Promponas, Víctor Valls, Konstantinos E. Nikolakakis, Dionysis Kalogerias, Leandros Tassiulas:
Throughput-Optimal Scheduling via Rate Learning. CoRR abs/2409.09198 (2024) - 2023
- [j11]Spyridon Pougkakiotis, Dionysis Kalogerias:
A Zeroth-Order Proximal Stochastic Gradient Method for Weakly Convex Stochastic Optimization. SIAM J. Sci. Comput. 45(5): 2679- (2023) - [c26]Hassaan Hashmi, Spyridon Pougkakiotis, Dionysios S. Kalogerias:
Model-Free Learning of Optimal Beamformers for Passive IRS-Assisted Sumrate Maximization. ICASSP 2023: 1-5 - [c25]Konstantinos E. Nikolakakis, Farzin Haddadpour, Amin Karbasi, Dionysios S. Kalogerias:
Beyond Lipschitz: Sharp Generalization and Excess Risk Bounds for Full-Batch GD. ICLR 2023 - [c24]Gokberk Yaylali, Dionysis Kalogerias:
Robust and Reliable Stochastic Resource Allocation via Tail Waterfilling. SPAWC 2023: 256-260 - [i33]Hassaan Hashmi, Spyridon Pougkakiotis, Dionysios S. Kalogerias:
Model-Free Learning of Optimal Two-Stage Beamformers for Passive IRS-Aided Network Design. CoRR abs/2304.11464 (2023) - [i32]Gokberk Yaylali, Dionysis Kalogerias:
Robust and Reliable Stochastic Resource Allocation via Tail Waterfilling. CoRR abs/2305.01053 (2023) - [i31]Konstantinos E. Nikolakakis, Amin Karbasi, Dionysis Kalogerias:
Select without Fear: Almost All Mini-Batch Schedules Generalize Optimally. CoRR abs/2305.02247 (2023) - [i30]Patrik Okanovic, Roger Waleffe, Vasilis Mageirakos, Konstantinos E. Nikolakakis, Amin Karbasi, Dionysios S. Kalogerias, Nezihe Merve Gürel, Theodoros Rekatsinas:
Repeated Random Sampling for Minimizing the Time-to-Accuracy of Learning. CoRR abs/2305.18424 (2023) - [i29]Periklis Theodoropoulos, Konstantinos E. Nikolakakis, Dionysios S. Kalogerias:
Federated Learning Under Restricted User Availability. CoRR abs/2309.14176 (2023) - [i28]Dionysis Kalogerias, Spyridon Pougkakiotis:
Strong Duality Relations in Nonconvex Risk-Constrained Learning. CoRR abs/2312.01110 (2023) - 2022
- [j10]Dionysios S. Kalogerias, Warren B. Powell:
Zeroth-Order Stochastic Compositional Algorithms for Risk-Aware Learning. SIAM J. Optim. 32(2): 386-416 (2022) - [c23]Nikolas P. Koumpis, Anastasios Tsiamis, Dionysios S. Kalogerias:
State-Output Risk-Constrained Quadratic Control of Partially Observed Linear Systems. CDC 2022: 188-195 - [c22]Dionysios S. Kalogerias:
Fast and Stable Convergence of Online SGD for CV@R-Based Risk-Aware Learning. ICASSP 2022: 6007-6011 - [c21]Konstantinos E. Nikolakakis, Farzin Haddadpour, Dionysios S. Kalogerias, Amin Karbasi:
Black-Box Generalization: Stability of Zeroth-Order Learning. NeurIPS 2022 - [i27]Konstantinos E. Nikolakakis, Farzin Haddadpour, Dionysios S. Kalogerias, Amin Karbasi:
Black-Box Generalization. CoRR abs/2202.06880 (2022) - [i26]Nikolas P. Koumpis, Anastasios Tsiamis, Dionysios S. Kalogerias:
State-Output Risk-Constrained Quadratic Control of Partially Observed Linear Systems. CoRR abs/2204.08548 (2022) - [i25]Konstantinos E. Nikolakakis, Farzin Haddadpour, Amin Karbasi, Dionysios S. Kalogerias:
Beyond Lipschitz: Sharp Generalization and Excess Risk Bounds for Full-Batch GD. CoRR abs/2204.12446 (2022) - [i24]Dionysios S. Kalogerias:
Risk-Constrained Nonconvex Dynamic Resource Allocation has Zero Duality Gap. CoRR abs/2206.11948 (2022) - [i23]Hassaan Hashmi, Spyridon Pougkakiotis, Dionysios S. Kalogerias:
Model-Free Learning of Optimal Beamformers for Passive IRS-Assisted Sumrate Maximization. CoRR abs/2210.16712 (2022) - [i22]Margaret P. Chapman, Dionysios S. Kalogerias:
Risk-Aware Stability of Discrete-Time Systems. CoRR abs/2211.12416 (2022) - 2021
- [j9]Konstantinos E. Nikolakakis, Dionysios S. Kalogerias, Anand D. Sarwate:
Predictive Learning on Hidden Tree-Structured Ising Models. J. Mach. Learn. Res. 22: 59:1-59:82 (2021) - [j8]Konstantinos E. Nikolakakis, Dionysios S. Kalogerias, Or Sheffet, Anand D. Sarwate:
Quantile Multi-Armed Bandits: Optimal Best-Arm Identification and a Differentially Private Scheme. IEEE J. Sel. Areas Inf. Theory 2(2): 534-548 (2021) - [c20]Nikolas P. Koumpis, Dionysios S. Kalogerias:
Uncertainty Principles in Risk-Aware Statistical Estimation. CDC 2021: 5896-5903 - [c19]Harshat Kumar, Dionysios S. Kalogerias, George J. Pappas, Alejandro Ribeiro:
Actor-only Deterministic Policy Gradient via Zeroth-order Gradient Oracles in Action Space. ISIT 2021: 1676-1681 - [c18]Hassaan Hashmi, Dionysios S. Kalogerias:
Model-Free Learning of Optimal Deterministic Resource Allocations in Wireless Systems via Action-Space Exploration. MLSP 2021: 1-6 - [i21]Nikolas P. Koumpis, Dionysios S. Kalogerias:
Uncertainty Principles in Risk-Aware Statistical Estimation. CoRR abs/2104.14283 (2021) - [i20]Hassaan Hashmi, Dionysios S. Kalogerias:
Model-Free Learning of Optimal Deterministic Resource Allocations in Wireless Systems via Action-Space Exploration. CoRR abs/2108.10352 (2021) - [i19]Anastasios Tsiamis, Dionysios S. Kalogerias, Alejandro Ribeiro, George J. Pappas:
Linear Quadratic Control with Risk Constraints. CoRR abs/2112.07564 (2021) - 2020
- [j7]Dionysios S. Kalogerias, Mark Eisen, George J. Pappas, Alejandro Ribeiro:
Model-Free Learning of Optimal Ergodic Policies in Wireless Systems. IEEE Trans. Signal Process. 68: 6272-6286 (2020) - [c17]Anastasios Tsiamis, Dionysios S. Kalogerias, Luiz F. O. Chamon, Alejandro Ribeiro, George J. Pappas:
Risk-Constrained Linear-Quadratic Regulators. CDC 2020: 3040-3047 - [c16]Dionysios S. Kalogerias, Mark Eisen, George J. Pappas, Alejandro Ribeiro:
Almost-Zero Duality Gaps in Model-Free Resource Allocation for Wireless Systems. EUSIPCO 2020: 1727-1731 - [c15]Dionysios S. Kalogerias, Mark Eisen, George J. Pappas, Alejandro Ribeiro:
A Zeroth-Order Learning Algorithm for Ergodic Optimization of Wireless Systems with no Models and no Gradients. ICASSP 2020: 5045-5049 - [c14]Dionysios S. Kalogerias, Luiz F. O. Chamon, George J. Pappas, Alejandro Ribeiro:
Better Safe Than Sorry: Risk-Aware Nonlinear Bayesian Estimation. ICASSP 2020: 5480-5484 - [i18]Anastasios Tsiamis, Dionysios S. Kalogerias, Luiz F. O. Chamon, Alejandro Ribeiro, George J. Pappas:
Risk-Constrained Linear-Quadratic Regulators. CoRR abs/2004.04685 (2020) - [i17]Dionysios S. Kalogerias, Konstantinos E. Nikolakakis, Anand D. Sarwate, Or Sheffet:
Best-Arm Identification for Quantile Bandits with Privacy. CoRR abs/2006.06792 (2020) - [i16]Harshat Kumar, Dionysios S. Kalogerias, George J. Pappas, Alejandro Ribeiro:
Zeroth-order Deterministic Policy Gradient. CoRR abs/2006.07314 (2020) - [i15]Dionysios S. Kalogerias:
Noisy Linear Convergence of Stochastic Gradient Descent for CV@R Statistical Learning under Polyak-Łojasiewicz Conditions. CoRR abs/2012.07785 (2020)
2010 – 2019
- 2019
- [j6]Anastasios Dimas, Dionysios S. Kalogerias, Athina P. Petropulu:
Cooperative Beamforming With Predictive Relay Selection for Urban mmWave Communications. IEEE Access 7: 157057-157071 (2019) - [c13]Konstantinos E. Nikolakakis, Dionysios S. Kalogerias, Anand D. Sarwate:
Learning Tree Structures from Noisy Data. AISTATS 2019: 1771-1782 - [i14]Anastasios Dimas, Dionysios S. Kalogerias, Athina P. Petropulu:
Cooperative Beamforming with Predictive Relay Selection for Urban mmWave Communications. CoRR abs/1907.12616 (2019) - [i13]Konstantinos E. Nikolakakis, Dionysios S. Kalogerias, Anand D. Sarwate:
Non-Parametric Structure Learning on Hidden Tree-Shaped Distributions. CoRR abs/1909.09596 (2019) - [i12]Dionysios S. Kalogerias, Mark Eisen, George J. Pappas, Alejandro Ribeiro:
Model-Free Learning of Optimal Ergodic Policies in Wireless Systems. CoRR abs/1911.03988 (2019) - [i11]Dionysios S. Kalogerias, Luiz F. O. Chamon, George J. Pappas, Alejandro Ribeiro:
Risk-Aware MMSE Estimation. CoRR abs/1912.02933 (2019) - [i10]Dionysios S. Kalogerias, Warren B. Powell:
Zeroth-order Stochastic Compositional Algorithms for Risk-Aware Learning. CoRR abs/1912.09484 (2019) - 2018
- [j5]Dionysios S. Kalogerias, Athina P. Petropulu:
Spatially Controlled Relay Beamforming. IEEE Trans. Signal Process. 66(24): 6418-6433 (2018) - [i9]Konstantinos E. Nikolakakis, Dionysios S. Kalogerias, Anand D. Sarwate:
Predictive Learning on Sign-Valued Hidden Markov Trees. CoRR abs/1812.04700 (2018) - 2017
- [c12]Anastasios Dimas, Dionysios S. Kalogerias, Chryssalenia Koumpouzi, Athina P. Petropulu:
Parameter estimation for hierarchical channel profiling. GlobalSIP 2017: 234-238 - [c11]Dionysios S. Kalogerias, Athina P. Petropulu:
Enhancing QoS in spatially controlled beamforming networks via distributed stochastic programming. ICASSP 2017: 3739-3743 - [i8]Dionysios S. Kalogerias, Athina P. Petropulu:
Spatially Controlled Relay Beamforming: $2$-Stage Optimal Policies. CoRR abs/1705.07463 (2017) - 2016
- [j4]Dionysios S. Kalogerias, Athina P. Petropulu:
Uniform $\varepsilon$-Stability of Distributed Nonlinear Filtering Over DNAs: Gaussian-Finite HMMs. IEEE Trans. Signal Inf. Process. over Networks 2(4): 461-476 (2016) - [j3]Dionysios S. Kalogerias, Athina P. Petropulu:
Grid Based Nonlinear Filtering Revisited: Recursive Estimation & Asymptotic Optimality. IEEE Trans. Signal Process. 64(16): 4244-4259 (2016) - [c10]Dionysios S. Kalogerias, Athina P. Petropulu:
Mobile beamforming & spatially controlled relay communications. ICASSP 2016: 6405-6409 - [i7]Dionysios S. Kalogerias, Athina P. Petropulu:
Mobile Beamforming & Spatially Controlled Relay Communications. CoRR abs/1603.04834 (2016) - [i6]Dionysios S. Kalogerias, Athina P. Petropulu:
Grid Based Nonlinear Filtering Revisited: Recursive Estimation & Asymptotic Optimality. CoRR abs/1604.02631 (2016) - 2015
- [j2]Dionysios S. Kalogerias, Athina P. Petropulu:
Asymptotically Optimal Discrete-Time Nonlinear Filters From Stochastically Convergent State Process Approximations. IEEE Trans. Signal Process. 63(13): 3522-3536 (2015) - [c9]Dionysios S. Kalogerias, Athina P. Petropulu:
Distributed nonlinear filtering of partially observed Markov chains over WSNs: Truncating the ADMM. ACSSC 2015: 299-303 - [c8]Dionysios S. Kalogerias, Athina P. Petropulu:
On pathwise convergence of particle & grid based nonlinear filters: Feller vs conditional regularity. Allerton 2015: 1219-1226 - [c7]Dionysios S. Kalogerias, Athina P. Petropulu:
Nonlinear spatiotemporal channel gain map tracking in mobile cooperative networks. SPAWC 2015: 660-664 - [i5]Dionysios S. Kalogerias, Athina P. Petropulu:
Sequential Channel State Tracking & SpatioTemporal Channel Prediction in Mobile Wireless Sensor Networks. CoRR abs/1502.01780 (2015) - 2014
- [j1]Dionysios S. Kalogerias, Athina P. Petropulu:
Matrix Completion in Colocated MIMO Radar: Recoverability, Bounds & Theoretical Guarantees. IEEE Trans. Signal Process. 62(2): 309-321 (2014) - [c6]Dionysios S. Kalogerias, Athina P. Petropulu:
RIP bounds for naively subsampled Scrambled Fourier sensing matrices. CISS 2014: 1-6 - [c5]Dionysios S. Kalogerias, Athina P. Petropulu:
Mobi-cliques for improving ergodic secrecy in fading wiretap channels under power constraints. ICASSP 2014: 1578-1581 - [i4]Dionysios S. Kalogerias, Athina P. Petropulu:
Asymptotically Optimal Discrete Time Nonlinear Filters From Stochastically Convergent State Process Approximations. CoRR abs/1411.6719 (2014) - 2013
- [c4]Dionysios S. Kalogerias, Athina P. Petropulu:
MC-MIMO radar: Recoverability and performance bounds. GlobalSIP 2013: 153-156 - [c3]Dionysios S. Kalogerias, Nikolaos Chatzipanagiotis, Michael M. Zavlanos, Athina P. Petropulu:
Mobile jammers for secrecy rate maximization in cooperative networks. ICASSP 2013: 2901-2905 - [c2]Dionysios S. Kalogerias, Shunqiao Sun, Athina P. Petropulu:
Sparse sensing in colocated MIMO radar: A matrix completion approach. ISSPIT 2013: 496-502 - [c1]Dionysios S. Kalogerias, Athina P. Petropulu:
On the coherence properties of random Euclidean distance matrices. SPAWC 2013: 754-758 - [i3]Dionysios S. Kalogerias, Nikolaos Chatzipanagiotis, Michael M. Zavlanos, Athina P. Petropulu:
Mobile Jammers for Secrecy Rate Maximization in Cooperative Networks. CoRR abs/1303.0463 (2013) - [i2]Dionysios S. Kalogerias, Athina P. Petropulu:
On the Coherence Properties of Random Euclidean Distance Matrices. CoRR abs/1303.0594 (2013) - [i1]Dionysios S. Kalogerias, Athina P. Petropulu:
Matrix Completion in Colocated MIMO Radar: Recoverability, Bounds & Theoretical Guarantees. CoRR abs/1308.4994 (2013)
Coauthor Index
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