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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Some special cases of the three dimensional Kakeya conjecture and their application to the restriction conjecture
三维Kakeya猜想 特殊情况 限制猜想
2023/5/9
We will discuss two special cases of the three-dimensional Kakeya conjecture: SL_2 Kakeya and a refined Wolff's hairbrush result. As an application of the refined Wolff's hairbrush result, we will dis...
Building a Better Alligator:Researchers Develop Advanced Three-Dimensional Models of Bite Data to Study Dinosaurs,Birds,Crocodiles
Better Alligator Advanced Three-Dimensional Models Bite Data Dinosaurs Birds Crocodiles
2017/7/21
The skulls of alligators protect their brains, eyes and sense organs while producing some of the most powerful bite forces in the animal kingdom. The ability to bite hard is critical for crocodilians ...
2017三维电子显微镜戈登学术会议（The 2017 Gordon Research Conference on Three Dimensional Electron Microscopy）
2017 三维电子显微镜戈登 学术会议
2017/1/11
The 2017 GRC on Three-Dimensional Electron Microscopy (3DEM) continues a tradition of more than 30 years of 3DEM GRCs.Technical breakthroughs have led to period of explosive growth in 3DEM, which has ...
IMPLICIT THREE-DIMENSIONAL GEO-MODELLING BASED ON HRBF SURFACE
Implicit modelling Hermite radial basis function (HRBF) 3D geological modelling ore body modelling
2016/10/14
Three-dimensional (3D) geological models are important representations of the results of regional geological surveys. However, the process of constructing 3D geological models from two-dimensional (2D...
Conference on Three Dimensional Image Acquisition and Display Technology 2016
3D visualization 3D display
2016/7/21
This conference is intended to provide a forum for interchange on various algorithms, devices, systems, sensors, and architectures for novel applications in the field of 3D imaging, 3D visualization, ...
Probe of Three-Dimensional Chiral Topological Insulators in an Optical Lattice
Three-Dimensional Chiral Topological Insulators Optical Lattice
2016/1/22
We propose a feasible experimental scheme to realize a three-dimensional chiral topological insulator with cold fermionic atoms in an optical lattice, which is characterized by an integer topological ...
Quantized electromagnetic response of three-dimensional chiral topological insulators
Quantized electromagnetic response three-dimensional chiral topological insulators
2016/1/22
Protected by the chiral symmetry, three-dimensional chiral topological insulators are characterized by an integer-valued topological invariant. How this invariant could emerge in physical observables ...
QUASIHOMOGENEOUS THREE-DIMENSIONAL REAL ANALYTIC LORENTZ METRICS DO NOT EXIST
THREE-DIMENSIONAL LORENTZ METRICS
2015/10/14
We show that a germ of a real analytic Lorentz metric on R
3 which is locally homogeneous on an
open set containing the origin in its closure is necessarily locally homogeneous. We classifiy L...
Those groups r which act properly discontinuously and aillnely on II?’ with
compact fundamental domain are classified. First it is shown that such a group f
contains a solvable subgroup of finite ...
Three-dimensional interpretation of MT data in volcanic environments (computer simulation)
3D interpretation magnetotelluric data imaging monitorinc volcanoes magma chamber remote sounding
2015/9/28
The research is aimed, first, to find components of MT-fields and their transforms, which facilitate the imaging of the internal structure of volcanoes and, second, to study the detectability of condu...
Fast X-Ray and Beamlet Transforms for Three-Dimensional Data
Three-Dimensional Data 3-D Volumetric (Raster-Scan) Dat
2015/8/21
Three-dimensional volumetric data are becoming increasingly available
in a wide range of scientific and technical disciplines. With the right tools,
we can expect such data to yield valuable i...
Full three-dimensional relocation and tomographic inversion of the 1977-2008 earthquakes in north-eastern Italy:a feasibility study
3D Relocation Tomography
2015/8/18
In a regional seismological network, the estimation of the epicenter is usually robust, especially for events inside or close to the network boundaries. In contrast, the hypocentral depth is very sens...
A FRAMEWORK FOR POSITION UNCERTAINTY OF UNORGANISED THREE-DIMENSIONAL POINT CLOUDS FROM NEAR-MONOSTATIC LASER SCANNERS USING COVARIANCE ANALYSIS
Position uncertainty Three-dimensional Point Cloud Laser Scanning
2015/8/13
Position uncertainty is one of the most important quantities of an unorganised three-dimensional point clouds since it
provides the confidence level of any parametric estimation such as surface...
Three-dimensional visualization of ensemble weather forecasts–Part 1:The visualization tool Met.3D (version 1.0)
Three-dimensional visualization ensemble weather visualization tool Met.3D
2015/8/6
We present "Met.3D", a new open-source tool for the interactive three-dimensional (3-D) visualization of numerical ensemble weather predictions. The tool has been developed to support weather forecast...
Three-dimensional visualization of ensemble weather forecasts–Part 2:Forecasting warm conveyor belt situations for aircraft-based field campaigns
Three-dimensional visualization ensemble weather Forecasting warm conveyor belt situations aircraft-based field campaigns
2015/8/6
We present the application of interactive three-dimensional (3-D) visualization of ensemble weather predictions to forecasting warm conveyor belt situations during aircraft-based atmospheric research ...