Search results for laplacian

Optics & Photonics Aug 27, 2020

Octupole corner state in a three-dimensional topological circuit

Higher-order topological insulators featuring quantized bulk polarizations and zero-dimensional corner states are attracting increasing interest due to their strong mode confinement. Recently, scientists from China and the ...

Optics & Photonics Aug 29, 2018

Light programmable guidance of direct current fields in Laplacian metadevices

To enable negative refraction and related optical illusions, metamaterials are artificially engineered with unique properties that result from their internal physical structures, rather than their chemical composition. The ...

Quantum Physics Aug 29, 2017

Grid-based continual analysis of molecular interior for drug discovery, QSAR and QSPR

A series of grid-based computational technologies for in silico virtual screening and molecular design of new drugs is proposed. The technologies are based on original CoMIn (Continual Molecular Interior analysis) software.

General Physics Apr 28, 2015

It's complicated: Self-organized patterns identify emergent behavior near critical transitions

From the perspective of complex systems, a range of events – from chemistry and biology to extreme weather and population ecology – can be viewed as large-scale self-emergent phenomena that occur as a consequence of deteriorating ...

Computer Sciences May 29, 2014

New algorithm could transfer acclaimed photographers' signature styles to cellphone photos

Celebrated portrait photographers like Richard Avedon, Diane Arbus, and Martin Schoeller made their reputations with distinctive visual styles that sometimes required the careful control of lighting possible only in the studio.

Computer Sciences Mar 01, 2013

Short algorithm, long-range consequences

In the last decade, theoretical computer science has seen remarkable progress on the problem of solving graph Laplacians—the esoteric name for a calculation with hordes of familiar applications in scheduling, image processing, ...

Computer Sciences Jun 20, 2011

Genius of Einstein, Fourier key to new humanlike computer vision

( -- Two new techniques for computer-vision technology mimic how humans perceive three-dimensional shapes by instantly recognizing objects no matter how they are twisted or bent, an advance that could help machines ...

Space Exploration Sep 16, 2009

Mini-Comets within a comet lit up 17P/Holmes during megaoutburst

Astronomers from the University of California, Los Angeles and the University of Hawaii have discovered multiple fragments ejected during the largest cometary outburst ever witnessed. Images and animations showing fragments ...