activity
20152026
most citedComparing Graph Spectra of Adjacency and Laplacian Matrices

4 citations · 22 across the 28 of their papers we have counts for

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Showing 2025Show all

6 papers · 1 filter

cs.LG2025

If You Want to Be Robust, Be Wary of Initialization

Sofiane Ennadir, Johannes F. Lutzeyer, Michalis Vazirgiannis +1

Graph Neural Networks (GNNs) have demonstrated remarkable performance across a spectrum of graph-related tasks, however concerns persist regarding their vulnerability to adversaria…

cs.LG2025

Enhancing Graph Classification Robustness with Singular Pooling

Sofiane Ennadir, Oleg Smirnov, Yassine Abbahaddou +2

Graph Neural Networks (GNNs) have achieved strong performance across a range of graph representation learning tasks, yet their adversarial robustness in graph classification remain…

cs.LG2025

SHAKE-GNN: Scalable Hierarchical Kirchhoff-Forest Graph Neural Network

Zhipu Cui, Johannes Lutzeyer

Graph Neural Networks (GNNs) have achieved remarkable success across a range of learning tasks. However, scaling GNNs to large graphs remains a significant challenge, especially fo…

cs.LG2025

ADMP-GNN: Adaptive Depth Message Passing GNN

Yassine Abbahaddou, Fragkiskos D. Malliaros, Johannes F. Lutzeyer +1

Graph Neural Networks (GNNs) have proven to be highly effective in various graph learning tasks. A key characteristic of GNNs is their use of a fixed number of message-passing step…

cs.LG2025

Graph Representational Learning: When Does More Expressivity Hurt Generalization?

Sohir Maskey, Raffaele Paolino, Fabian Jogl +2

Graph Neural Networks (GNNs) are powerful tools for learning on structured data, yet the relationship between their expressivity and predictive performance remains unclear. We intr…

q-bio.QM2025

Efficient Data Selection for Training Genomic Perturbation Models

George Panagopoulos, Johannes F. Lutzeyer, Sofiane Ennadir +2

Genomic studies face a vast hypothesis space, while interventions such as gene perturbations remain costly and time-consuming. To accelerate such experiments, gene perturbation mod…