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DFT-Guided Operando Raman Characterization of Ni-Based Phases Relevant to Electrochemical Systems
Harol Moreno Fern\'andez, Siavash Karbasizadeh, Esmaeil Adabifiroozjaei, Leopoldo Molina-Luna, Jan P. Hofmann, Mohammad Amirabbasi
https://arxiv.org/abs/2507.04755

DFT-Guided Operando Raman Characterization of Ni-Based Phases Relevant to Electrochemical Systems
We present a phase-resolved investigation of Ni-based oxides and hydroxides relevant to the oxygen evolution reaction (OER), combining ground-state DFT+U calculations with operando and in situ Raman spectroscopy, supported by high-resolution TEM. Five crystalline phases-cubic and hexagonal NiO, monoclinic and trigonal Ni(OH)2, and NiOOH-are systematically characterized in terms of their vibrational and electronic structure. Although the DFT models are idealized (0 K, defect-free, no solvation),…

Exploiting AI for Attacks: On the Interplay between Adversarial AI and Offensive AI
Saskia Laura Schr\"oer, Luca Pajola, Alberto Castagnaro, Giovanni Apruzzese, Mauro Conti
https://arxiv.org/abs/2506.12519

Exploiting AI for Attacks: On the Interplay between Adversarial AI and Offensive AI
As Artificial Intelligence (AI) continues to evolve, it has transitioned from a research-focused discipline to a widely adopted technology, enabling intelligent solutions across various sectors. In security, AI's role in strengthening organizational resilience has been studied for over two decades. While much attention has focused on AI's constructive applications, the increasing maturity and integration of AI have also exposed its darker potentials. This article explores two emerging AI-relate…

K3 surfaces over small number fields and Kummer constructions in families
Stefan Schr\"oer
https://arxiv.org/abs/2506.14732 https://

K3 surfaces over small number fields and Kummer constructions in families
We construct K3 surfaces over number fields that have good reduction everywhere. These do not exists over the rational numbers, by results of Abrashkin and Fontaine. Our surfaces exist for three quadratic number fields, and an infinite family of $S_3$-number fields. To this end we develop a theory of Kummer constructions in families, based on Romagny's notion of the effective models, here applied to sign involutions. This includes quotients of non-normal surfaces by infinitesimal group schemes …

Replaced article(s) found for cs.SI. https://arxiv.org/list/cs.SI/new
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- Elephant in the Room: Dissecting and Reflecting on the Evolution of Online Social Network Research
Luca Pajola, Saskia Laura Schr\"oer, Pier Paolo Tricomi, Mauro Conti, Giovanni Apruzzese