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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:Spectral instability of Electronic Euler-Poisson System
电子 Euler-Poisson系统 谱不稳定性
2023/12/11
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:Homological instability for the moduli space of smooth 4-manifolds
光滑 4-流形模空间 同调不稳定性
2023/5/5
Antarctic ice cliffs may not contribute to ice-sheet instability as much as predicted(图)
Antarctic ice cliff contribute ice-sheet instability
2019/11/5
Antarctica's ice sheet spans close to twice the area of the contiguous United States. Its land boundary is buttressed by massive, floating ice shelves extending hundreds of miles out over the frigid w...
Instability in Antarctic ice projected to increase likelihood of worst-case sea level rise(图)
Instability Antarctic ice projected worst-case sea level rise
2019/10/23
Images of vanishing Arctic ice are jarring, but the region’s potential contributions to sea level rise are no match for Antarctica’s. Now, a study says that instability hidden in Antarctic ice increas...
Massive East Antarctic Ice Sheet Has History Of Instability(图)
East Antarctic Ice Sheet History Instability
2017/12/19
The East Antarctic Ice Sheet locks away enough water to raise sea level an estimated 53 meters (174 feet), more than any other ice sheet on the planet. It's also thought to be among the most stable, n...
2017 基因组不稳定性和DNA修复 Keystone Symposia(2017 Keystone Symposia on Genomic Instability and DNA Repair)
Genomic Instability DNA Repair
2017/3/7
The meeting will begin on Sunday, April 2 with registration from 16:00 to 20:00 and a welcome mixer from 18:00 to 20:00. Conference events conclude on Thursday, April 6 with a closing plenary session ...
Gravitational instability and clustering in a disk of planetesimals
stars planetary systems protoplanetary disks – gravitation – planets satellites formation
2015/12/25
For a long time, gravitational instability in the disk of planetesimals has been suspected to be the main engine responsible for the beginning of dust growth, its advantage being that it provides forr...
Regime dependent instability as a transition mechanism in large-scale atmospheric flow
regimes instability baroclinic
2015/9/30
Two apparently distinct approaches to studying the observed low frequency variability in the atmosphere have evolved over the past few years. One approach invokes multiple, recurrent flow regimes to e...
Global instability in the elliptic restricted three body problem
Elliptic Restricted Three Body problem Arnold diffusion splitting of separatrices Melnikov integral
2015/9/25
The (planar) ERTBP describes the motion of a massless particle (a comet) under the gravitational field of two massive bodies (the primaries, say the Sun and Jupiter) revolving around their center of m...
A note on micro-instability for Hamiltonian systems close to integrable
micro-instability Hamiltonian systems close to integrable
2015/9/25
In this note, we consider the dynamics associated to a perturbation of an integrable Hamiltonian system in action-angle coordinates in any number of degrees of freedom and we prove the following resul...
ASB/ISB award paper Manipulating the edge of instability
Feedback Motor control Time-delay Hand Biomechanics
2015/8/25
We investigate the integration of visual and tactile sensory input for dynamic manipulation. Our experimental data and computational
modeling reveal that time-delays are as critical to task-optimal m...
Satellites Reveal the Influence of Equatorial Currents and Tropical Instability Waves on the Drift of the Kon-Tiki in the Pacific
Equatorial Currents Tropical Instability Waves
2015/7/29
A raft drifting on the ocean is at the mercy of the elements. When a sailor describes this experience, one begins to understand the meaning of "in situ," of being in touch with the water. The senses f...
A Tabletop Demonstration of Atmospheric Dynamics:Baroclinic Instability
Tabletop Demonstration Atmospheric Dynamics Baroclinic Instability
2015/7/22
Here we study a fundamental instability mechanism of the atmosphere that affects us very directly in terms of mid-latitude winter weather. We provide a hands-on demonstration of this instability using...
Kelvin-Helmholtz (KH) instability, characterized by the distinctive
finite-amplitude billows it generates, is an important mechanism in the development
of turbulence in the stratified interior of ...