3 papers
cs.IT2026
Densification Converses for Walker Constellations With Explicit Constants and Reuse Scaling Laws
Ali Khalesi, François Baccelli
We establish densification converses for Walker LEO constellations under nearest-visible association in the full-frequency-reuse setting. Performance is evaluated under the invaria…
math.PR2026
Fundamental Limits of Decentralized Self-Regulating Random Walks
Ali Khalesi, Rawad Bitar
We study self-regulating random walks (SRRWs), a decentralized mechanism for maintaining a stable population of mobile tokens on a graph. Tokens move by random walks, may be lost a…
cs.IT2025
Hyper-Minrank: A Unified Hypergraph Characterization of Multi-Sender Index Coding
Ali Khalesi, Petros Elia
This work introduces a hypergraph formulation that generalizes the classical paradigm of Bar-Yossef et al. to the multi-sender index coding (MSIC) setting. Central to the model is…