Results 21 to 30 of about 39,036 (315)

Single Loop Space Decompositions [PDF]

open access: yesTransactions of the American Mathematical Society, 1992
The method of single loop space decompositions, in which Ω X \Omega X is factored into minimal factors, is an important one for understanding the unstable homotopy of many simply-connected spaces X X . This paper begins with a survey of the major known theorems along these lines.
openaire   +1 more source

Minimal 3-loop neutrino mass models and charged lepton flavor violation

open access: yesJournal of High Energy Physics, 2020
We study charged lepton flavor violation for the three most popular 3-loop Majorana neutrino mass models. We call these models “minimal” since their particle content correspond to the minimal sets for which genuine 3-loop models can be constructed.
Ricardo Cepedello   +3 more
doaj   +1 more source

Microdrone-Based Indoor Mapping with Graph SLAM

open access: yesDrones, 2022
Unmanned aerial vehicles offer a safe and fast approach to the production of three-dimensional spatial data on the surrounding space. In this article, we present a low-cost SLAM-based drone for creating exploration maps of building interiors.
Samer Karam   +3 more
doaj   +1 more source

Systolic freedom of loop space [PDF]

open access: yesGeometric and Functional Analysis, 2001
This is an updated version of the published ...
Katz, M., Suciu, A.
openaire   +3 more sources

Riesz basis property of Timoshenko beams with boundary feedback control

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2003
A Timoshenko beam equation with boundary feedback control is considered. By an abstract result on the Riesz basis generation for the discrete operators in the Hilbert spaces, we show that the closed-loop system is a Riesz system, that is, the sequence of
De-Xing Feng   +2 more
doaj   +1 more source

Light Blue Walls and Tan Flooring: A Culture of Belonging in Engineering Making Spaces (or Not?)

open access: yesEducation Sciences, 2021
The motivation for this exploratory qualitative study is to understand what a culture of belonging may look like across six engineering education making spaces in institutions of higher education in the U.S.
Idalis Villanueva Alarcón   +4 more
doaj   +1 more source

Homogeneous Poisson Structures on Loop Spaces of Symmetric Spaces

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2008
This paper is a sequel to [Caine A., Pickrell D., Int. Math. Res. Not., to appear, arXiv:0710.4484], where we studied the Hamiltonian systems which arise from the Evens-Lu construction of homogeneous Poisson structures on both compact and noncompact type
Doug Pickrell
doaj   +1 more source

Restrictions on curved cosmologies in modified gravity from metric considerations

open access: yesPhysics Letters B, 2015
This study uses very simple symmetry and consistency considerations to put constraints on possible Friedmann equations for modified gravity models in curved spaces. As an example, it is applied to loop quantum cosmology.
Linda Linsefors, Aurelien Barrau
doaj   +1 more source

Notes on hyperloops in N $$ \mathcal{N} $$ = 4 Chern-Simons-matter theories

open access: yesJournal of High Energy Physics, 2021
We present new circular Wilson loops in three-dimensional N $$ \mathcal{N} $$ = 4 quiver Chern-Simons-matter theory on S 3. At any given node of the quiver, a two-parameter family of operators can be obtained by opportunely deforming the 1/4 BPS Gaiotto ...
Nadav Drukker   +2 more
doaj   +1 more source

Multiobjective Tuning Technique for MPC in Grinding Circuits

open access: yesIEEE Access, 2023
We investigate the control challenges in grinding circuits—slow dynamics, long dead times, variable coupling— and the controller tuning challenge, that is, the difficulty in translating operating goals into tuning goals and closed-loop ...
Andre S. Yamashita   +4 more
doaj   +1 more source

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