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The nature and concentration of defects near niobium-silicon interfaces prepared with different silicon surface treatments were characterized using current-voltage (I-V), deep level transient spectroscopy (DLTS), and secondary ion mass…

In this article we introduce the notion of a 'good model' in order to study the higher obstructions of complex supermanifolds. We identify necessary and sufficient conditions for such models to exist. Illustrations over Riemann surfaces are…

Algebraic Geometry · Mathematics 2018-09-10 Kowshik Bettadapura

Neural implicit surface reconstruction using volume rendering techniques has recently achieved significant advancements in creating high-fidelity surfaces from multiple 2D images. However, current methods primarily target scenes with…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Lintao Xiang , Hongpei Zheng , Bailin Deng , Hujun Yin

Signed Distance Function (SDF)-based volume rendering has demonstrated significant capabilities in surface reconstruction. Although promising, SDF-based methods often fail to capture detailed geometric structures, resulting in visible…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Yifan Wang , Di Huang , Weicai Ye , Guofeng Zhang , Wanli Ouyang , Tong He

In this work, we consider a method of searching of the direction of a wireless network development (the places of new access points or base stations etc.) optimized with criteria of coverage of important territories and minimum cost of…

Networking and Internet Architecture · Computer Science 2012-09-03 Lev Kazakovtsev

Hydride precipitation in niobium-based, superconducting circuits is a damaging side-effect of hydrofluoric acid treatments used to clean and thin the Nb surface oxides and Si oxides. The precipitate microstructure is difficult to probe…

Multi-filamentation opens new degrees of freedom for manipulating electromagnetic waves in air. However, without control, multiple filament interactions, including attraction, repulsion or fusion often result in formation of complex…

The radio-frequency (RF) system is the key element that generates electric fields for beam acceleration. To keep the system reliable, a highly sophisticated protection scheme is required, which also should be designed to ensure a good…

Accelerator Physics · Physics 2016-08-11 S. -H. Kim

A systematic study of irreversible magnetization was performed in bulk Niobium after different surface treatments. Starting with smooth surfaces and abrading them, a strong increase of the critical current is observed up an apparent…

Superconductivity · Physics 2016-11-23 Muhamad Aburas , Alain Pautrat , Natalia Bellido

Through using the semidiameter (in connection to: the mean radius and surface radius) of a convex closed hypersurface in $\mathbb R^{n\ge 2}$ as an sharp upper bound of the variational $(1,n)\ni p$-capacity radius, this paper settles a…

Differential Geometry · Mathematics 2016-03-11 Jie Xiao

The Stroh formalism is applied to the analysis of infinitesimal surface wave propagation in a statically, finitely and homogeneously deformed isotropic half-space. The free surface is assumed to coincide with one of the principal planes of…

Soft Condensed Matter · Physics 2013-04-24 Michel Destrade , Melanie Ottenio , Alexey V. Pichugin , Graham A. Rogerson

Negative Curvature and Second-order optimality for regularized SQP

Optimization and Control · Mathematics 2012-05-11 Phillip Gill , Vyacheslav Kungurtsev , Daniel Robinson

A brief history of the impurity theories in semiconductors is provided. A bound exciton model is proposed for both donor- and acceptor- like impurities and point defects, which offers a unified understanding for "shallow" and "deep"…

Materials Science · Physics 2020-06-02 Yong Zhang

Detecting hidden convexity is one of the tools to address nonconvex minimization problems. After giving a formal definition of hidden convexity, we introduce the notion of conditional infimum, as it will prove instrumental in detecting…

Optimization and Control · Mathematics 2021-04-13 Jean-Philippe Chancelier , Michel de Lara

Neural Radiance Fields (NeRF) enable 3D scene reconstruction from 2D images and camera poses for Novel View Synthesis (NVS). Although NeRF can produce photorealistic results, it often suffers from overfitting to training views, leading to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Fusang Wang , Arnaud Louys , Nathan Piasco , Moussab Bennehar , Luis Roldão , Dzmitry Tsishkou

In order to provide a guaranteed precision and a more accurate judgement about the true value of the Cram\'{e}r-Rao bound and its scaling behavior, an upper bound (equivalently a lower bound on the quantum Fisher information) for precision…

Quantum Physics · Physics 2017-05-04 R. Yousefjani , S. Salimi , A. S. Khorashad

Optimization problems with both control variables and environmental variables arise in many fields. This paper introduces a framework of personalized optimization to han- dle such problems. Unlike traditional robust optimization,…

Computation · Statistics 2016-07-07 Shifeng Xiong

Neural Radiance Fields (NeRF) have emerged as a potent paradigm for representing scenes and synthesizing photo-realistic images. A main limitation of conventional NeRFs is that they often fail to produce high-quality renderings under novel…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Jian Zhang , Yuanqing Zhang , Huan Fu , Xiaowei Zhou , Bowen Cai , Jinchi Huang , Rongfei Jia , Binqiang Zhao , Xing Tang

This file provide the detailed steps for obtaining the bounds on $R_1$, $R_2$ via the obtained results on $(R_{1c},R_{1p},R_{2c},R_{2p})$. It is subplementary material for the paper titled "On the Capacity Region of Two-User Linear…

Information Theory · Computer Science 2012-07-10 Xiaoli Xu , Yong Zeng , Yong Liang Guan , Tracey Ho

We analyse the process of conversion of near-field thermal radiation into usable work by considering the radiation emitted between two planar sources supporting surface phonon-polaritons. The maximum work flux that can be extracted from the…

Mesoscale and Nanoscale Physics · Physics 2015-02-03 Ivan Latella , Agustín Pérez-Madrid , J. Miguel Rubi