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Showing 2196 results for "stefano giusto"
Physics Preprint PDF DOI

Mixture-aware closure of the N-phase Navier--Stokes--Cahn--Hilliard mixture model

M.F.P. ten Eikelder, A. Brunk · 2026

Diffuse-interface (phase-field) models are widely used to describe multiphase mixtures and their interfacial dynamics. In multiphase settings, however, the constitutive closure should remain meaningfu…

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Physics Preprint PDF DOI

High-Girth Regular Quantum LDPC Codes from Square-Base Hypergraph Products via CPM Lifts

Koki Okada, Kenta Kasai · 2026

We study square-base Calderbank--Shor--Steane (CSS) hypergraph-product codes as a finite-length class for regular high-girth quantum low-density parity-check (LDPC) design. For base matrices of small …

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Physics Preprint PDF DOI

Asymmetric freezing of a sliding droplet on an inclined surface

Sivanandan Kavuri, George Karapetsas, Chander Shekhar Sharma, Kirti Chandra Sahu · 2026

We investigate the asymmetric freezing of a liquid droplet sliding on an inclined cold surface using numerical simulations based on the lubrication approximation. The combined effects of gravity, capi…

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Mathematics Preprint PDF DOI

A well posed and stable canonical evaporation model problem for phase-change in two-phase flows

Jan Nordstrom · 2026

We formulate a well posed interface formulation for canonical one-dimensional evaporation two-phase model problems (the Stefan and Sucking problems) commonly used to validate production codes. We focu…

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Physics Preprint PDF DOI

Quark Number Susceptibilities and Conserved Charge Fluctuations in $(2+1)$-flavor QCD with M\"obius domain-wall fermions (MDWF)

Jishnu Goswami, Yasumichi Aoki, Hidenori Fukaya, Shoji Hashimoto, Issaku Kanamori, Takashi Kaneko, Yoshifumi Nakamura, David Ward, Yu Zhang (JLQCD Collaboration) · 2026

We calculate second- and selected fourth-order conserved-charge fluctuations in $(2+1)$-flavor QCD using M\"obius domain-wall fermions (MDWF) along a line of constant physics. Gauge ensembles were gen…

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Physics Preprint PDF DOI

High-Girth Regular Quantum LDPC Codes from Affine-Coset Structures

Koki Okada, Kenta Kasai · 2026

We construct a quantum low-density parity-check code family from a length-$512$ Calderbank--Shor--Steane base matrix pair. The base pair is permutation-equivalent to the known SPC(3) product CSS code,…

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AI & Data Science Preprint PDF DOI

Forget, Then Recall: Learnable Compression and Selective Unfolding via Gist Sparse Attention

Yuzhen Mao, Michael Y. Li, Emily B. Fox · 2026

Scaling large language models to long contexts is challenging due to the quadratic computational cost of full attention. Mitigation approaches include KV-cache selection or compression techniques. We …

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Mathematics Preprint PDF DOI

Epimorphisms of local cohomology modules, a general Peskine-Szpiro theorem, and an application to sheaf cohomology vanishing for thickenings

Andre Dosea, Majid Eghbali, Cleto B. Miranda-Neto · 2026

We study the surjectivity of certain maps involving local cohomology modules, which we can realize as a dual version of part of the investigation developed by Bhatt, Blickle, Lyubeznik, Singh and Zhan…

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Mathematics Preprint PDF DOI

Preconditioners for the Onsager-Stefan-Maxwell equations for multicomponent diffusion

Kars Knook, Aaron Baier-Reinio, Patrick E. Farrell · 2026

The Onsager-Stefan-Maxwell (OSM) equations are an important model of mass transport in multicomponent flows with multiple chemical species. They describe the coupling of diffusive fluxes between speci…

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AI & Data Science Preprint PDF DOI

Faster by Design: Interactive Aerodynamics via Neural Surrogates Trained on Expert-Validated CFD

Nicholas Thumiger, Andrea Bartezzaghi, Mattia Rigotti, Cezary Skura, Thomas Frick, Elisa Serioli, Fabrizio Arbucci, A. Cristiano I. Malossi · 2026

Computational Fluid Dynamics (CFD) is central to race-car aerodynamic development, yet its cost -- tens of thousands of core-hours per high-fidelity evaluation -- severely limits the design space expl…

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Physics Preprint PDF DOI

Information decomposition for disentangled and interpretable manifold learning of fluid flows via variational autoencoders

Zhiyuan Wang, Iacopo Tirelli, Stefano Discetti, Andrea Ianiro · 2026

We introduce an information-theoretic framework that uses variational autoencoders (VAEs) to extract compact, physically interpretable manifolds from high-dimensional flow-field data. To this end, the…

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AI & Data Science Preprint PDF DOI

GIST: Multimodal Knowledge Extraction and Spatial Grounding via Intelligent Semantic Topology

Shivendra Agrawal, Bradley Hayes · 2026

Navigating complex, densely packed environments like retail stores, warehouses, and hospitals poses a significant spatial grounding challenge for humans and embodied AI. In these spaces, dense visual …

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Physics Preprint PDF DOI

Heuristic Search for Minimum-Distance Upper-Bound Witnesses in Quantum APM-LDPC Codes

Kenta Kasai · 2026

This paper investigates certified upper bounds on the minimum distance of an explicit family of Calderbank-Shor-Steane quantum LDPC codes constructed from affine permutation matrices. All codes consid…

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Physics Preprint PDF DOI

Sharp-interface VOF method for phase-change simulations on unstructured meshes

Jan Kren, Bojan Niceno, Yohei Sato · 2026

Unstructured meshes are among the most versatile approaches for capturing non-canonical geometries in fluid dynamics simulations. Despite this, most high-fidelity first-principles phase-change models …

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AI & Data Science Preprint PDF DOI

Towards Design Compositing

Abhinav Mahajan, Abhikhya Tripathy, Sudeeksha Reddy Pala, Vaibhav Methi, K J Joseph, Balaji Vasan Srinivasan · 2026

Graphic design creation involves harmoniously assembling multimodal components such as images, text, logos, and other visual assets collected from diverse sources, into a visually-appealing and cohesi…

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Physics Preprint PDF DOI

Irregularly Sampled Time Series Interpolation for Binary Evolution Simulations Using Dynamic Time Warping

Ugur Demir, Philipp M. Srivastava, Aggelos Katsaggelos, Vicky Kalogera, Santiago L. Tapia, Manuel Ballester, Shamal Lalvani, Patrick Koller, Jeff J. Andrews, Seth Gossage, Max M. Briel, Elizabeth Teng · 2026

Binary stellar evolution simulations are computationally expensive. Stellar population synthesis relies on these detailed evolution models at a fundamental level. Producing thousands of such models re…

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AI & Data Science Preprint PDF DOI

A Diffusion-Contrastive Graph Neural Network with Virtual Nodes for Wind Nowcasting in Unobserved Regions

Jie Shi, Siamak Mehrkanoon · 2026

Accurate weather nowcasting remains one of the central challenges in atmospheric science, with critical implications for climate resilience, energy security, and disaster preparedness. Since it is not…

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Physics Preprint PDF DOI

Optimized Gottesman-Kitaev-Preskill Error Correction via Tunable Preprocessing

Xiang-Jiang Chen, Hao-Miao Jiang, Liu-Jun Wang, Qing Chen · 2026

The Gottesman-Kitaev-Preskill (GKP) code is a promising bosonic candidate for realizing fault-tolerant quantum computation. Among existing error-correction protocols for GKP code, the Steane-type sche…

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AI & Data Science Preprint PDF DOI

A Semi-Automated Framework for 3D Reconstruction of Medieval Manuscript Miniatures

Riccardo Pallotto, Pierluigi Feliciati, Tiberio Uricchio · 2026

This paper presents a semi-automated framework for transforming two-dimensional miniatures from medieval manuscripts into three-dimensional digital models suitable for extended reality (XR), tactile 3…

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Mathematics Preprint PDF DOI

Multiphase cross-diffusion models for tissue structures: modeling, analysis, numerics

Ansgar Jungel, Cordula Reisch, Sara Xhahysa · 2026

Volume-filling cross-diffusion equations for the components of a tissue structure are formally derived from mass conservation laws and force balances for the interphase pressures and viscous drag forc…

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