Results 251 to 260 of about 5,218,588 (299)

Association Between Computed Tomography-Derived Hounsfield Units of the Ulnar Collateral Ligament and Valgus Laxity in Professional Baseball Players. [PDF]

Orthop J Sports Med
Munemori M, Numaguchi K, Momma D, Kodama A, Goto K, Kondo E, Adachi N, Iwasaki N.   +7 more
europepmc   +1 more source

Image-based evaluation of a commercial AI synthetic CT generator for brain and prostate MR-only radiotherapy. [PDF]

J Appl Clin Med Phys
Aire M, Matthews C, Jones J, Duong D, Schneider C, Stathakis S, Shay O, Kirby K.   +7 more
europepmc   +1 more source

Beyond physical fitness: Pre-to-post hematological and physical fitness changes during an eight-week multi-component exercise program in sedentary adults aged 30-45 years. [PDF]

PLoS One
Demircan Y, Ayan V, Yüksek S, Gür F, Kural B, Şar H.   +5 more
europepmc   +1 more source

Quantification of the Tissue Sodium Concentration in the Human Calf at 7T With Reduced Acquisition Time: Influence of the Nominal Spatial Resolution. [PDF]

NMR Biomed
Höhn JM, Wilferth T, Gast LV, Gerhalter T, Kopp C, Uder M, Nagel AM.   +6 more
europepmc   +1 more source

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Optimal difference systems of sets and difference sets

Aequationes Mathematicae, 2011
Difference systems of sets (DSSs) are combinatorial structures that are generalizations of cyclic difference sets and arise in connection with code synchronization. In this paper, a recursive construction of DSSs with smaller redundancy from partition-type DSSs and difference sets are given, in connection with Paley-Hadamard difference sets. These DSSs
Jinhua Wang
exaly   +2 more sources

On Residue Difference Sets

Canadian Journal of Mathematics, 1953
In recent years the subject of difference sets has attracted a considerable amount of attention in connection with problems in finite geometries [4]. Difference sets arising from higher power residues were first discussed by Chowla [1], who proved that biquadratic residues modulo p
Emma Lehmer
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Disjoint difference sets, difference triangle sets, and related codes

IEEE Transactions on Information Theory, 1992
Summary: Disjoint difference sets (DDS), difference triangle sets (DTS), and related codes are discussed and a recursive construction for DDS is given. With this construction and the relationship between DDS and DTS, many new upper bounds for DTS and some better orthogonal codes are obtained.
Zhi Chen 0032, Pingzhi Fan, Fan Jin
exaly   +2 more sources

Difference Sets and Hyperovals

Designs, Codes and Cryptography, 1998
Let \(q=2^d\), \(2\leq k\leq q-2\) and \((k,q-1)=(k-1,q-1)=1\). The set of points of \(\text{PG} (2,q)\) (represented by homogeneous coordinates) \(D(k)=\{(1,t,t^k)\mid t\in \text{GF} (q)\}\cup\{(0,1,0),(0,0,1)\}\) is a hyperoval iff \(\{t+t^k\mid t\in \text{GF} (q)\setminus\{0\}\}\) is a difference set in the multiplicative group of \(\text{GF}(q ...
MASCHIETTI, Antonio
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A nonexistence result on difference sets, partial difference sets and divisible difference sets

Journal of Statistical Planning and Inference, 2001
A new nonexistence theorem is proved for abelian difference sets. As an application, the nonexistence of the previously unknown difference sets \((243, 121, 60)\) in \(Z_9\times Z_{27}\) and \((351, 126, 45)\) in \(Z_{351}\) is established.
Arasu, K.T., Ma, S.L.
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