Results 11 to 20 of about 38,996 (310)

Torus Computed Tomography [PDF]

open access: yesSIAM Journal on Applied Mathematics, 2020
We present a new computed tomography (CT) method for inverting the Radon transform in 2D. The idea relies on the geometry of the flat torus, hence we call the new method Torus CT. We prove new inversion formulas for integrable functions, solve a minimization problem associated to Tikhonov regularization in Sobolev spaces and prove that the solution ...
Koskela, Olli   +3 more
openaire   +6 more sources

Current status of the torus palatinus and torus mandibularis

open access: yesMedicina Oral Patología Oral y Cirugia Bucal, 2010
While there is a hereditary component to tori, this does not explain all cases. Tori tend to appear more frequently during middle age of life; the torus palatinus is more commonly observed in females, but this is not the case with the torus mandibularis. Certain ethnic groups are more prone to one torus or the other.
García-García, Andrés S.   +4 more
openaire   +5 more sources

On Self-fusions of Torus Knots on the Torus [PDF]

open access: yesOn Self-fusions of Torus Knots on the Torus
For the torus knot on the standard torus in R3, we can get another torus knot by performing a self-fusion on the torus. In the present paper, we define the self-fusion number sf(p, q) for the torus knot T(p, q) as the minimum number of self-fusions to become the trivial knot from T(p, q), and detect sf(p, q).
90200443   +6 more
openaire   +2 more sources

Torus Mandibularis [PDF]

open access: yesThe American Journal of Medicine, 2017
A 54-year-old man who presented to the clinic for a routine examination was found to have a hard swelling in the floor of mouth. The swelling was noticed at the age of ten years and had been gradually progressing over the years. However, there was no history of chewing difficulty, dysphagia, dysarthria, oral ulcers or sleep disturbances. On examination,
Tanay V. Chaubal   +2 more
openaire   +5 more sources

A Note on Finite Dimensional Odd Contact Lie Superalgebra in Prime Characteristic

open access: yesAxioms, 2023
Over a field of characteristic p>3, let KO(n,n+1;t̲) denote the odd contact Lie superalgebra. In this paper, the super-biderivations of odd Contact Lie superalgebra KO(n,n+1;t̲) are studied.
Xiaoning Xu, Qiyuan Wang
doaj   +1 more source

Torus Instability

open access: yesPhysical Review Letters, 2006
minor update to conform to printed ...
Kliem, B, Torok, T
openaire   +4 more sources

Torus/Torus Intersection

open access: yesComputer-Aided Design and Applications, 2011
AbstractThis paper presents a new algorithm for torus/torus intersection. The pre-image of the intersection in the parametric space of one torus is represented by an implicit equation. The pre-image is divided into one-valued function curve segments by characteristic points.
Xiao-Ming Liu   +3 more
openaire   +1 more source

Untwisting 3-strand torus knots [PDF]

open access: yes, 2020
We prove that the signature bound for the topological 4‐genus of 3‐strand torus knots is sharp, using McCoy's twisting method. We also show that the bound is off by at most 1 for 4‐strand and 6‐strand torus knots, and improve the upper bound on the ...
Lewark, L.   +6 more
core   +1 more source

Optical Navigation Method and Error Analysis for the Descending Landing Phase in Planetary Exploration

open access: yesAerospace, 2022
To solve the problem of high-precision optical navigation for the descent landing of lunar and planetary probes, an optical navigation method based on the spatial position distribution model is proposed.
Rongjun Mu   +3 more
doaj   +1 more source

Embedding torus in hexagonal honeycomb torus

open access: yesIET Computers & Digital Techniques, 2008
A number of parallel algorithms admit a static torus-structured task graph. Hexagonal honeycomb torus (HHT) networks are regarded as promising candidates for interconnection networks. In order to efficiently execute a torus-structured parallel algorithm on an HHT, it is essential to map the tasks to processors so that the communication overhead is ...
Xiaofan Yang 0001   +2 more
openaire   +1 more source

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