Results 111 to 120 of about 32,179 (312)

Geodesic subgraphs

open access: yes, 2023
Define a geodesic subgraph of a graph to be a subgraph H with the property that any geodesic of two points of H is in H. The trivial geodesic subgraphs are the complete graphs Kn' n ≧ 0, and G itself.
Lynn Batten (13081779)
core  

Geodesic renormalization group flow [PDF]

open access: yes, 1995
It is shown that the renormalisation group flow in coupling constant space can be interpreted in terms of a dynamical equation for the couplings analogous to viscous fluid flow under the action of a potential.
Dolan, Brian P.
core   +1 more source

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

open access: yesPermafrost 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   +5 more
wiley   +1 more source

ON THE GEODESIC PANCYCLICITY OF MO¨ BIUS CUBES [PDF]

open access: yes, 2009
[[abstract]]For two vertices X, Y ∈ V (G), a cycle is called a geodesic cycle with X and Y if a shortest path joining X and Y lies on the cycle. A graph G is called to be geodesic k-pancyclic if any two vertices X, Y on G have such geodesic cycle of ...
Chang-Hsiung Tsai; Jheng-Cheng Chen;Hong-Chun Hsu;Pao-Lien Lai
core  

Some aspects of normal curve on smooth surface under isometry

open access: yesDemonstratio Mathematica
The normal curve is a space curve that plays an important role in the field of differential geometry. This research focuses on analyzing the properties of normal curves on smooth immersed surfaces, considering their invariance under isometric ...
Singh Kuljeet   +2 more
doaj   +1 more source

Geodesic complexity for non-geodesic spaces

open access: yes, 2020
We define the notion of near geodesic between points of a metric space when no geodesic exists, and use this to extend Recio-Mitter\u27s notion of geodesic complexity to non-geodesic spaces. This has potential application to topological robotics.

core  

Sliding Mode Control in Aerospace Applications: A Survey

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT Sliding mode control (SMC) enjoys robustness to matched and unmatched (in the case of minimum phase input‐output dynamics) bounded perturbations, and finite time convergence. Second‐order and higher‐order sliding mode control systems (2‐SMC/HOSMC) retain all the advantages of sliding mode control, but in addition can be applied to systems of ...
Yuri Shtessel, Christopher Edwards
wiley   +1 more source

Meander‐Bend Erosion Dynamics Along a Gravel‐Bed River: Insights From Short‐Term UAV Monitoring

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Riverbank erosion is a natural process in meandering rivers that contributes to sediment supply and geomorphic diversity, yet it can threaten infrastructure and human activities within the floodplain. Recently, many studies have used high‐resolution remote sensing technologies to measure bank erosion, but they often focus on technical aspects ...
Katarina Pavlek   +2 more
wiley   +1 more source

.4 Chapter Summary

open access: yes, 2007
er attracts the deforming curve to the boundary, improving the detection of boundaries with large differences in their gradient. This term also partially frees the model from the need to estimate crucial parameters. Thereby, the geodesic formulation also
Geodesic Formulation
core  

Geodesic webs of hypersurfaces

open access: yes, 2009
Geometric structures associated with webs of hypersurfaces are studied and geodesic web on an n-dimensional manifold is proved to be associated with a unique projective structure. A d-web is proved to be a geodesic for particular forms depending on basis
Goldberg, V. V., Lychagin, V. V.
core   +1 more source

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