Results 91 to 100 of about 4,689,305 (234)

Breast Cancer Detection Using a New Parallel Hybrid Logistic Regression Model Trained by Particle Swarm Optimization and Clonal Selection Algorithms

open access: yesConcurrency and Computation: Practice and Experience, Volume 37, Issue 12-14, 25 June 2025.
ABSTRACT Breast cancer is one of the most widespread kinds of cancer, especially in women, and it has a high mortality rate. With the help of technology, it is possible to develop a computer‐aided method for the diagnosis of breast cancer, which is crucial for effective treatment.
Mustafa Etcil   +4 more
wiley   +1 more source

On the differential geometry of curves in Minkowski space

open access: yes, 2005
We discuss some aspects of the differential geometry of curves in Minkowski space. We establish the Serret-Frenet equations in Minkowski space and use them to give a very simple proof of the fundamental theorem of curves in Minkowski space. We also state
C. Romero   +9 more
core   +1 more source

Green Fruit‐Stem Pairing and Clustering for Machine Vision System in Robotic Thinning of Apples

open access: yesJournal of Field Robotics, Volume 42, Issue 4, Page 1463-1490, June 2025.
ABSTRACT Apples are one of the most highly‐valued specialty crops in the United States. Recent labor shortages have made crop production difficult for fruit growers, including the task of green fruit thinning. Current methods including hand, chemical, and mechanical thinning impose tradeoffs between selectivity, cost, tree damage, and speed.
Magni Hussain   +4 more
wiley   +1 more source

Dimensions of sums with self-similar sets [PDF]

open access: yes, 2015
For some self-similar sets K in d-dimensional Euclidean space we obtain certain lower bounds for the lower Minkowski dimension of K+E in terms of the lower Minkowski dimension of E.Comment: 12 ...
Oberlin, Daniel, Oberlin, Richard
core  

Deep‐Learning‐Enhanced Electron Microscopy for Earth Material Characterization

open access: yesJournal of Geophysical Research: Machine Learning and Computation, Volume 2, Issue 2, June 2025.
Abstract Rocks, as Earth materials, contain intricate microstructures that reveal their geological history. These microstructures include grain boundaries, preferred orientation, twinning and porosity, holding critical significance in the realm of the energy transition.
Hans van Melick   +2 more
wiley   +1 more source

Geometric properties of the Minkowski operator

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы
This article is about Minkowski difference of sets, which is one of the Minkowski operators. The necessary and sufficient conditions for the existence of the Minkowski difference of given regular polygons in the plane were derived. The method of finding
M.Sh. Mamatov   +3 more
doaj   +1 more source

Time as a geometric property of space

open access: yesFrontiers in Physics, 2016
The proper description of time remains a key unsolved problem in science. Newton conceived of time as absolute and universal which it `flows equably without relation to anything external'}.
James Michael Chappell   +4 more
doaj   +1 more source

Differential structure on kappa-Minkowski space, and kappa-Poincare algebra

open access: yes, 2011
We construct realizations of the generators of the $\kappa$-Minkowski space and $\kappa$-Poincar\'{e} algebra as formal power series in the $h$-adic extension of the Weyl algebra. The Hopf algebra structure of the $\kappa$-Poincar\'{e} algebra related to
Balachandran A. P.   +11 more
core   +1 more source

A data‐centric investigation on the challenges of machine learning methods for bridging life cycle inventory data gaps

open access: yesJournal of Industrial Ecology, Volume 29, Issue 3, Page 955-966, June 2025.
Abstract Life cycle assessment (LCA) is a systematic approach to quantify the environmental impacts of a product system from its entire life cycle. Despite its wide use in assessing mature technologies, the inventory data gap has been a fundamental challenge that limits the application of LCA to emerging new processes. Machine learning (ML) methods are
Bu Zhao   +3 more
wiley   +1 more source

Involute-evolute d-curves in Minkowski 3-space E 3 1

open access: yesBoletim da Sociedade Paranaense de Matemática, 2020
In this paper, we examine the notion of the involute-evolute curves for the curves lying the surfaces in Minkowski 3-space E3 1 . We call these new associated curves as involute-evolute and by using the Darboux frame of the curves.
Fatma Almaz, Mihriban Alyamaç Kulahci
doaj   +1 more source

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