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- Antonio DeSimone, Sanjiv Nanda
- Wireless Networks
- 1995

Micromagnetics is a nonlocal, nonconvex variational problem. Its minimizer represents the ground-state magnetization pattern of a ferromagnetic body under a specified external field. This paper identifies a physically relevant thin-film limit and shows that the limiting behavior is described by a certain “reduced” variational problem. Our main result is the… (More)

- Hafedh Ben Belgacem, Sergio Conti, Antonio DeSimone, Stefan Müller
- J. Nonlinear Science
- 2000

We examine the response of a soft ferromagnetic lm to an in-plane applied magnetic eld by means of both theory and experiment. In the thin-lm limit, we uncover a separation of scales in the rough energy landscape of micromagnetics: leading order terms generate constraints which eliminate degrees of freedom , terms of second order in the lm thickness lead to… (More)

We examine the singularly perturbed variational problem E ( ) = R 1(1 jr j2)2+ jrr j2 in the plane. As ! 0 this functional favors jr j = 1 and penalizes singularities where jrr j concentrates. Our main result is a compactness theorem: if E ( ) is uniformly bounded then r is compact in L 2. Thus, in the limit ! 0 solves the eikonal equation jr j = 1 almost… (More)

- ANTONIO DESIMONE
- 2001

- Sandeep Sibal, Antonio DeSimone
- SIGCOMM
- 1994

High-speed packet networks will begin to support services that need Quality-of-Service (QoS) guarantees. Guaranteeing QoS typically translates to reserving resources for the duration of a call. We propose a state-dependent routing scheme that builds on any base state-independent routing scheme, by routing flows which are blocked on their primary paths (as… (More)

- Marino Arroyo, Antonio Desimone
- Physical review. E, Statistical, nonlinear, and…
- 2009

We study the effect of membrane viscosity in the dynamics of liquid membranes-possibly with free or internal boundaries-driven by conservative forces (curvature elasticity and line tension) and dragged by the bulk dissipation of the ambient fluid and the friction occurring when the amphiphilic molecules move relative to each other. To this end, we formulate… (More)

In this paper some new tools for the study of evolution problems in the framework of Young measures are introduced. A suitable notion of time-dependent system of generalized Young measures is defined, which allows to extend the classical notions of total variation and absolute continuity with respect to time, as well as the notion of time derivative. The… (More)

- Antonio DeSimone, Robert V. Kohn, Stefan Müller, Felix Otto
- Multiscale Modeling & Simulation
- 2003