Results 101 to 110 of about 12,166 (307)

Discrete Geodesics and Cellular Automata [PDF]

, 2015
International audienceThis paper proposes a dynamical notion of discrete geodesics, understood as straightest trajectories in discretized curved spacetime.
Dowek, Gilles, Pablo Arrighi, Arrighi, Pablo, Gilles Dowek   +3 more
core   +1 more source

Geodesic Learning

Physica A: Statistical Mechanics and its Applications
25 pages, 2 figures.
Barua, Arnab, Hatzikirou, Haralampos, Abe, Sumiyoshi   +2 more
openaire   +3 more sources

Geodesic Information Flows [PDF]

, 2012
Homogenising the availability of manually generated information in large databases has been a key challenge of medical imaging for many years. Due to the time consuming nature of manually segmenting, parcellating and localising landmarks in medical images, these sources of information tend to be scarce and limited to small, and sometimes ...
Manuel Jorge Cardoso, Robin Wolz, Marc Modat, Nick C. Fox, Daniel Rueckert, Sébastien Ourselin   +5 more
openaire   +2 more sources

Capturing the Multi‐Decadal Evolution of Glacier–Permafrost Interactions in a High‐Alpine Environment (Ritord, Western Swiss Alps)

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT This study investigates the multi‐decadal evolution of a glacier forefield under permafrost conditions in the Combins Massif (western Swiss Alps). A multi‐method approach based on historical and recent datasets is used to analyze its landform components.
Julie Wee, Hanne Hendrickx, Sebastián Vivero   +2 more
wiley   +1 more source

The Interconnection Between Calculus of Variations, Partial Differential Equations and Differential Geometry

Selecciones Matemáticas
Calculus of variations is a fundamental mathematical discipline focused on optimizing functionals, which map sets of functions to real numbers. This field is essential for numerous applications, including the formulation and solution of partial ...
Delphin Mwinken
doaj   +1 more source

GEOMETRIC ANALYSIS OF PLANAR SHAPES WITH APPLICATIONS TO CELL DEFORMATIONS

Image Analysis and Stereology, 2015
Shape analysis is of great importance in many fields such as computer vision, medical imaging, and computational biology. In this paper we focus on a shape space in which shapes are represented by means of planar closed curves.
Ximo Gual-Arnau, Silena Herold-García, Amelia Simó   +2 more
doaj   +1 more source

Carroll geodesics

, 2023
Using effective field theory methods, we derive the Carrollian analog of the geodesic action. We find that it contains both `electric' and `magnetic' contributions that are in general coupled to each other.
Grumiller, Daniel, Ciambelli, Luca
core  

Frames of quasi-geodesics, visibility and geodesic loops

, 2023
In this paper we give a characterization in terms of ``quasi-geodesics frames' of visibility and existence of geodesic loops for bounded domains in $\mathbb C^d$ which are Kobayashi complete hyperbolic and Gromov hyperbolic.
openaire   +4 more sources

Multiproxy Chronologies of the Hurd Rock Glacier (Livingston Island, South Shetland Islands, Maritime Antarctica): Between the Late‐Stage Stabilization and Flow Deceleration

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT The Hurd Rock Glacier, located on Livingston Island (South Shetland Islands archipelago, Maritime Antarctica), is a tongue‐shaped feature composed of angular boulders, displaying transverse ridges and furrows, and featuring lobate structures, which are more prominently developed in its frontal sector.
Rosana Menéndez‐Duarte, Jesús Ruiz‐Fernández, Laura Rodríguez‐Rodríguez, José M. Fernández‐Fernández, Vincent Rinterknecht, ASTER Team   +5 more
wiley   +1 more source

Simple geodesics on Riemann surfaces

, 1982
As observed by Myrberg, on any closed hyperbolic surface the closed geodesics cover a dense subset. Below, it is shown that the simple geodesics cannot cover such parts of a surface which are sufficiently thin.
Troels Jørgensen
core   +1 more source