Autor: Sinclair, A. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Raising bounded groups and splitting of radical extensions of commutative Banach algebras
Autorzy:: Bade, W.
Curtis, P.
Sinclair, A.
Powiązania:: https://bibliotekanauki.pl/articles/1206040.pdf
Data publikacji:: 2000
Wydawca:: Polska Akademia Nauk. Instytut Matematyczny PAN
Opis:: Let A be a commutative unital Banach algebra and let A/ℛ be the quotient algebra of A modulo its radical ℛ. This paper is concerned with raising bounded groups in A/ℛ to bounded groups in the algebra A. The results will be applied to the problem of splitting radical extensions of certain Banach algebras.
Źródło:: Studia Mathematica; 2000, 141, 1; 85-98
0039-3223
Pojawia się w:: Studia Mathematica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Kinematic determinants of weapon velocity during the fencing lunge in experienced épée fencers
Autorzy:: Bottoms, L.
Greenhalgh, A.
Sinclair, J.
Powiązania:: https://bibliotekanauki.pl/articles/307476.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: fencing
kinematics
lunge
regression analysis
velocity
kinematyka
płuca
prędkość
biomechanika
Opis:: The lunge is the most common attack in fencing, however there is currently a paucity of published research investigating the kinematics of this movement. The aim of this study was to investigate if kinematics measured during the épée fencing lunge had a significant effect on sword velocity at touch and whether there were any key movement tactics that produced the maximum velocity. Lower extremity kinematic data were obtained from fourteen right handed club épée fencers using a 3D motion capture system as they completed simulated lunges. A forward stepwise multiple linear regression was performed on the data. The overall regression model yielded an Adj R2 of 0.74, p ≤ 0.01. The results show that the rear lower extremity’s knee range of motion, peak hip flexion and the fore lower extremity’s peak hip flexion all in the sagittal plane were significant predictors of sword velocity. The results indicate that flexion of the rear extremity’s knee is an important predictor, suggesting that the fencer sits low in their stance to produce power during the lunge. Furthermore it would appear that the magnitude of peak flexion of the fore extremity’s hip was a significant indicator of sword velocity suggesting movement of fore limbs should also be considered in lunge performance.
Źródło:: Acta of Bioengineering and Biomechanics; 2013, 15, 4; 109-113
1509-409X
2450-6303
Pojawia się w:: Acta of Bioengineering and Biomechanics
Dostawca treści:: Biblioteka Nauki

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