collaborators

6 papers

cs.LG2026

Aitchison Embeddings for Learning Compositional Graph Representations

Nikolaos Nakis, Chrysoula Kosma, Panagiotis Promponas +2

Representation learning is central to graph machine learning, powering tasks such as link prediction and node classification. However, most graph embeddings are hard to interpret,…

cs.LG2026

Rank Is Not Capacity: Spectral Occupancy for Latent Graph Models

Nikolaos Nakis, Panagiotis Promponas, Konstantinos Tsirkas +4

Graph representation learning has become a standard approach for analyzing networked data, with latent embeddings widely used for link prediction, community detection, and related…

quant-ph2026

Rate-Fidelity Tradeoffs in All-Photonic and Memory-Equipped Quantum Switches

Panagiotis Promponas, Leonardo Bacciottini, Paul Polakos +3

Quantum entanglement switches are a key building block for early quantum networks, and a central design question is whether near-term devices should use only flying photons or also…

cs.LG2026

Archetypal Graph Generative Models: Explainable and Identifiable Communities via Anchor-Dominant Convex Hulls

Nikolaos Nakis, Chrysoula Kosma, Panagiotis Promponas +2

Representation learning has been essential for graph machine learning tasks such as link prediction, community detection, and network visualization. Despite recent advances in achi…

quant-ph2025

A Genetic Approach to Minimising Gate and Qubit Teleportations for Multi-Processor Quantum Circuit Distribution

Oliver Crampton, Panagiotis Promponas, Richard Chen +3

Distributed Quantum Computing (DQC) provides a means for scaling available quantum computation by interconnecting multiple quantum processor units (QPUs). A key challenge in this d…

cs.NI2025

On the Optimization and Stability of Sectorized Wireless Networks

Panagiotis Promponas, Tingjun Chen, Leandros Tassiulas

Future wireless networks need to support the increasing demands for high data rates and improved coverage. One promising solution is sectorization, where an infrastructure node is…