MC-MIMO radar: Recoverability and performance bounds. - Dionysios S. Kalogerias; Athina P. Petropulu (GlobalSIP, 2013)

Mobile jammers for secrecy rate maximization in cooperative networks. - Dionysios S. Kalogerias; Nikolaos Chatzipanagiotis; Michael M. Zavlanos; Athina P. Petropulu (ICASSP, 2013)

Sparse sensing in colocated MIMO radar: A matrix completion approach. - Dionysios S. Kalogerias; Shunqiao Sun; Athina P. Petropulu (ISSPIT, 2013)

On the coherence properties of random Euclidean distance matrices. - Dionysios S. Kalogerias; Athina P. Petropulu (SPAWC, 2013)

RIP bounds for naively subsampled Scrambled Fourier sensing matrices. - Dionysios S. Kalogerias; Athina P. Petropulu (CISS, 2014)

Mobi-cliques for improving ergodic secrecy in fading wiretap channels under power constraints. - Dionysios S. Kalogerias; Athina P. Petropulu (ICASSP, 2014)

Matrix Completion in Colocated MIMO Radar: Recoverability, Bounds & Theoretical Guarantees. - Dionysios S. Kalogerias; Athina P. Petropulu (IEEE Trans. Signal Process., 2014)

Distributed nonlinear filtering of partially observed Markov chains over WSNs: Truncating the ADMM. - Dionysios S. Kalogerias; Athina P. Petropulu (ACSSC, 2015)

On pathwise convergence of particle & grid based nonlinear filters: Feller vs conditional regularity. - Dionysios S. Kalogerias; Athina P. Petropulu (Allerton, 2015)

Nonlinear spatiotemporal channel gain map tracking in mobile cooperative networks. - Dionysios S. Kalogerias; Athina P. Petropulu (SPAWC, 2015)

Sequential Channel State Tracking & SpatioTemporal Channel Prediction in Mobile Wireless Sensor Networks. - Dionysios S. Kalogerias; Athina P. Petropulu (CoRR, 2015)

Asymptotically Optimal Discrete-Time Nonlinear Filters From Stochastically Convergent State Process Approximations. - Dionysios S. Kalogerias; Athina P. Petropulu (IEEE Trans. Signal Process., 2015)

Mobile beamforming & spatially controlled relay communications. - Dionysios S. Kalogerias; Athina P. Petropulu (ICASSP, 2016)

Uniform $ varepsilon$-Stability of Distributed Nonlinear Filtering Over DNAs: Gaussian-Finite HMMs. - Dionysios S. Kalogerias; Athina P. Petropulu (IEEE Trans. Signal Inf. Process. over Networks, 2016)

Grid Based Nonlinear Filtering Revisited: Recursive Estimation & Asymptotic Optimality. - Dionysios S. Kalogerias; Athina P. Petropulu (IEEE Trans. Signal Process., 2016)

Parameter estimation for hierarchical channel profiling. - Anastasios Dimas; Dionysios S. Kalogerias; Chryssalenia Koumpouzi; Athina P. Petropulu (GlobalSIP, 2017)

Enhancing QoS in spatially controlled beamforming networks via distributed stochastic programming. - Dionysios S. Kalogerias; Athina P. Petropulu (ICASSP, 2017)

Spatially Controlled Relay Beamforming: $2$-Stage Optimal Policies. - Dionysios S. Kalogerias; Athina P. Petropulu (CoRR, 2017)

Predictive Learning on Sign-Valued Hidden Markov Trees. - Konstantinos E. Nikolakakis; Dionysios S. Kalogerias; Anand D. Sarwate (CoRR, 2018)

Spatially Controlled Relay Beamforming. - Dionysios S. Kalogerias; Athina P. Petropulu (IEEE Trans. Signal Process., 2018)

Learning Tree Structures from Noisy Data. - Konstantinos E. Nikolakakis; Dionysios S. Kalogerias; Anand D. Sarwate (AISTATS, 2019)

Cooperative Beamforming With Predictive Relay Selection for Urban mmWave Communications. - Anastasios Dimas; Dionysios S. Kalogerias; Athina P. Petropulu (IEEE Access, 2019)

Non-Parametric Structure Learning on Hidden Tree-Shaped Distributions. - Konstantinos E. Nikolakakis; Dionysios S. Kalogerias; Anand D. Sarwate (CoRR, 2019)

Risk-Aware MMSE Estimation. - Dionysios S. Kalogerias; Luiz F. O. Chamon; George J. Pappas; Alejandro Ribeiro (CoRR, 2019)

Risk-Constrained Linear-Quadratic Regulators. - Anastasios Tsiamis; Dionysios S. Kalogerias; Luiz F. O. Chamon; Alejandro Ribeiro; George J. Pappas (CDC, 2020)

Almost-Zero Duality Gaps in Model-Free Resource Allocation for Wireless Systems. - Dionysios S. Kalogerias; Mark Eisen; George J. Pappas; Alejandro Ribeiro (EUSIPCO, 2020)

Better Safe Than Sorry: Risk-Aware Nonlinear Bayesian Estimation. - Dionysios S. Kalogerias; Luiz F. O. Chamon; George J. Pappas; Alejandro Ribeiro (ICASSP, 2020)

A Zeroth-Order Learning Algorithm for Ergodic Optimization of Wireless Systems with no Models and no Gradients. - Dionysios S. Kalogerias; Mark Eisen; George J. Pappas; Alejandro Ribeiro (ICASSP, 2020)

Best-Arm Identification for Quantile Bandits with Privacy. - Dionysios S. Kalogerias; Konstantinos E. Nikolakakis; Anand D. Sarwate; Or Sheffet (CoRR, 2020)

Zeroth-order Deterministic Policy Gradient. - Harshat Kumar; Dionysios S. Kalogerias; George J. Pappas; Alejandro Ribeiro (CoRR, 2020)

Noisy Linear Convergence of Stochastic Gradient Descent for CV@R Statistical Learning under Polyak-Łojasiewicz Conditions. - Dionysios S. Kalogerias (CoRR, 2020)

Model-Free Learning of Optimal Ergodic Policies in Wireless Systems. - Dionysios S. Kalogerias; Mark Eisen; George J. Pappas; Alejandro Ribeiro (IEEE Trans. Signal Process., 2020)

Uncertainty Principles in Risk-Aware Statistical Estimation. - Nikolas P. Koumpis; Dionysios S. Kalogerias (CDC, 2021)

Actor-only Deterministic Policy Gradient via Zeroth-order Gradient Oracles in Action Space. - Harshat Kumar; Dionysios S. Kalogerias; George J. Pappas; Alejandro Ribeiro (ISIT, 2021)

Model-Free Learning of Optimal Deterministic Resource Allocations in Wireless Systems via Action-Space Exploration. - Hassaan Hashmi; Dionysios S. Kalogerias (MLSP, 2021)

Predictive Learning on Hidden Tree-Structured Ising Models. - Konstantinos E. Nikolakakis; Dionysios S. Kalogerias; Anand D. Sarwate (J. Mach. Learn. Res., 2021)

Quantile Multi-Armed Bandits: Optimal Best-Arm Identification and a Differentially Private Scheme. - Konstantinos E. Nikolakakis; Dionysios S. Kalogerias; Or Sheffet; Anand D. Sarwate (IEEE J. Sel. Areas Inf. Theory, 2021)

State-Output Risk-Constrained Quadratic Control of Partially Observed Linear Systems. - Nikolas P. Koumpis; Anastasios Tsiamis; Dionysios S. Kalogerias (CDC, 2022)

Fast and Stable Convergence of Online SGD for CV@R-Based Risk-Aware Learning. - Dionysios S. Kalogerias (ICASSP, 2022)

Black-Box Generalization: Stability of Zeroth-Order Learning. - Konstantinos E. Nikolakakis; Farzin Haddadpour; Dionysios S. Kalogerias; Amin Karbasi (NeurIPS, 2022)

Black-Box Generalization. - Konstantinos E. Nikolakakis; Farzin Haddadpour; Dionysios S. Kalogerias; Amin Karbasi (CoRR, 2022)

Risk-Constrained Nonconvex Dynamic Resource Allocation has Zero Duality Gap. - Dionysios S. Kalogerias (CoRR, 2022)

Risk-Aware Stability of Discrete-Time Systems. - Margaret P. Chapman; Dionysios S. Kalogerias (CoRR, 2022)

Zeroth-Order Stochastic Compositional Algorithms for Risk-Aware Learning. - Dionysios S. Kalogerias; Warren B. Powell (SIAM J. Optim., 2022)

Model-Free Learning of Optimal Beamformers for Passive IRS-Assisted Sumrate Maximization. - Hassaan Hashmi; Spyridon Pougkakiotis; Dionysios S. Kalogerias (ICASSP, 2023)

Beyond Lipschitz: Sharp Generalization and Excess Risk Bounds for Full-Batch GD. - Konstantinos E. Nikolakakis; Farzin Haddadpour; Amin Karbasi; Dionysios S. Kalogerias (ICLR, 2023)

Robust and Reliable Stochastic Resource Allocation via Tail Waterfilling. - Gokberk Yaylali; Dionysis Kalogerias (SPAWC, 2023)

Model-Free Learning of Optimal Two-Stage Beamformers for Passive IRS-Aided Network Design. - Hassaan Hashmi; Spyridon Pougkakiotis; Dionysios S. Kalogerias (CoRR, 2023)

Select without Fear: Almost All Mini-Batch Schedules Generalize Optimally. - Konstantinos E. Nikolakakis; Amin Karbasi; Dionysis Kalogerias (CoRR, 2023)

A Zeroth-Order Proximal Stochastic Gradient Method for Weakly Convex Stochastic Optimization. - Spyridon Pougkakiotis; Dionysis Kalogerias (SIAM J. Sci. Comput., 2023)

Distributionally Robust Power Policies for Wireless Systems Under Power Fluctuation Risk. - Gokberk Yaylali; Dionysis Kalogerias (IEEECONF, 2024)

Throughput-Optimal Scheduling via Rate Learning. - Panagiotis Promponas; Víctor Valls; Konstantinos E. Nikolakakis; Dionysis Kalogerias; Leandros Tassiulas (CDC, 2024)

Strong Duality Relations in Nonconvex Risk-Constrained Learning. - Dionysis Kalogerias; Spyridon Pougkakiotis (CISS, 2024)

Stochastic Resource Allocation via Dual Tail Waterfilling. - Gokberk Yaylali; Dionysios S. Kalogerias (CISS, 2024)

Federated Learning under Restricted user Availability. - Periklis Theodoropoulos; Konstantinos E. Nikolakakis; Dionysis Kalogerias (ICASSP, 2024)

Repeated Random Sampling for Minimizing the Time-to-Accuracy of Learning. - Patrik Okanovic; Roger Waleffe; Vasilis Mageirakos; Konstantinos E. Nikolakakis; Amin Karbasi; Dionysios S. Kalogerias; Nezihe Merve Gürel; Theodoros Rekatsinas (ICLR, 2024)

FEDSTR: Money-In AI-Out | A Decentralized Marketplace for Federated Learning and LLM Training on the NOSTR Protocol. - Konstantinos E. Nikolakakis; George Chantzialexiou; Dionysis Kalogerias (CoRR, 2024)

Compatible Gradient Approximations for Actor-Critic Algorithms. - Baturay Saglam; Dionysis Kalogerias (CoRR, 2024)

Data-Driven Learning of Two-Stage Beamformers in Passive IRS-Assisted Systems with Inexact Oracles. - Spyridon Pougkakiotis; Hassaan Hashmi; Dionysis Kalogerias (CoRR, 2024)

Model-Free Learning of Two-Stage Beamformers for Passive IRS-Aided Network Design. - Hassaan Hashmi; Spyridon Pougkakiotis; Dionysis Kalogerias (IEEE Trans. Signal Process., 2024)

Learning Task Representations from In-Context Learning. - Baturay Saglam; Xinyang Hu; Zhuoran Yang; Dionysis Kalogerias; Amin Karbasi (ACL (Findings), 2025)

Linear quadratic control with risk constraints. - Anastasios Tsiamis; Dionysis Kalogerias; Alejandro Ribeiro; George J. Pappas (Autom., 2025)

Select without Fear: Almost All Minibatch Schedules Generalize Optimally. - Konstantinos E. Nikolakakis; Amin Karbasi; Dionysis Kalogerias (SIAM J. Math. Data Sci., 2025)

Learning Task Representations from In-Context Learning. - Baturay Saglam; Zhuoran Yang; Dionysis Kalogerias; Amin Karbasi (CoRR, 2025)

Risk-Aware Stability of Linear Systems. - Margaret P. Chapman; Dionysis Kalogerias (IEEE Trans. Autom. Control., 2025)

Convergence of Agnostic Federated Averaging. - Herlock Rahimi; Dionysis Kalogerias (CoRR, 2025)

Waterfilling at the Edge: Optimal Percentile Resource Allocation via Risk-Averse Reduction. - Gokberk Yaylali; Ahmad Ali Khan; Dionysios S. Kalogerias (CoRR, 2025)

An Efficient Active-Set method With Applications to Sparse Approximations and Risk Minimization. - Spyridon Pougkakiotis; Jacek Gondzio; Dionysis Kalogerias (J. Sci. Comput., 2025)