Results 51 to 60 of about 932,040 (258)

Aligned plane drawings of the generalized Delaunay-graphs for pseudo-disks

open access: yesJournal of Computational Geometry, 2020
We study general Delaunay-graphs, which are natural generalizations of Delaunay triangulations to arbitrary families, in particular to pseudo-disks. We prove that for any finite pseudo-disk family and point set, there is a plane drawing of their Delaunay-
Balázs Keszegh, Dömötör Pálvölgyi
doaj   +1 more source

‘Guide and Prejudice’— How Argonautes recognize targets across domains of life

open access: yesFEBS Letters, EarlyView.
Argonaute proteins use short nucleic‐acid guides to locate and regulate specific targets across all domains of life. Despite striking diversity—from human gene silencing to bacterial immune defence—all Argonautes share a conserved three‐stage recognition logic: guide‐directed sampling, progressive target pairing with a conformational checkpoint and ...
Jack P. K. Bravo
wiley   +1 more source

Automated detection, labelling and radiological grading of clinical spinal MRIs

open access: yesScientific Reports
Spinal magnetic resonance (MR) scans are a vital tool for diagnosing the cause of back pain for many diseases and conditions. However, interpreting clinically useful information from these scans can be challenging, time-consuming and hard to reproduce ...
Rhydian Windsor   +3 more
doaj   +1 more source

Optimization of voids in concrete ceilings: A geometrical approach [PDF]

open access: yesFME Transactions, 2019
The task to reduce the material consumption in the building industry is urgent. Conserving concrete saves nature and money. To reduce the consumption of concrete in buildings we design hollow bodies in ceiling structures.
Noack Kevin   +2 more
doaj  

A low-energy limit of Yang-Mills theory on de Sitter space

open access: yesJournal of High Energy Physics, 2021
We consider Yang-Mills theory with a compact structure group G on four-dimensional de Sitter space dS4. Using conformal invariance, we transform the theory from dS4 to the finite cylinder I $$ \mathcal{I} $$ × S 3, where I $$ \mathcal{I} $$ = (−π/2, π/2)
Josh Cork   +3 more
doaj   +1 more source

Structures of mycobacterial 3‐methylcrotonyl‐CoA carboxylase reveal carrier‐domain translocation between catalytic sites

open access: yesFEBS Letters, EarlyView.
Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav   +2 more
wiley   +1 more source

The geometry of visual experience [PDF]

open access: yes, 2007
In this thesis I examine what the geometry of visual experience is. This is a question which to some has had an a priori answer, and to some its relevance to philosophy has been considered questionable.
Meadows, Phillip
core  

Issues in the teaching and learning of geometry

open access: yes, 2002
This chapter analyses a range of key issues in the teaching and learning of geometry. These include the nature of geometry, why geometry is important in the curriculum at school level and beyond, what geometry can be included at the school level, the ...
Jones, Keith
core   +1 more source

The Safety of Learners and Teachers in School: A Criminological Analysis

open access: yesInternational Journal of Social Sciences & Educational Studies
Recent study revealed that safety of learners and teachers continues to be a matter of major concern in the South African schools. Learners and teachers are no longer safe due to an increased level of violence in the schools.
Puseletso. A Dewee   +2 more
doaj   +1 more source

CENS: A Coverage-Efficient Pixel Sampling Strategy for Enhancing NeRF-Generated Point Cloud Fidelity [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Many geospatial workflows critically depend on high-fidelity 3D point clouds for applications such as change detection, orthophoto generation, and modeling.
P. H. Akwensi, F. Schulte, L. Winiwarter
doaj   +1 more source

Home - About - Disclaimer - Privacy