Results 81 to 90 of about 1,522,870 (339)

Multi-Line Geometry of Qubit-Qutrit and Higher-Order Pauli Operators [PDF]

, 2007
The commutation relations of the generalized Pauli operators of a qubit-qutrit system are discussed in the newly established graph-theoretic and finite-geometrical settings.
A. Blunck, A.B. Klimov, Anne-Céline Baboin, H. Havlicek, L.M. Batten, M. Planat, M. Planat, M. Saniga, M. Saniga, M. Saniga, Metod Saniga, Michel Planat, N.D. Mermin, S. Bandyopadhyay, S.E. Payne   +14 more
core   +4 more sources

The line geometry of a class of linear spaces

Discrete Mathematics, 1997
For a projective space \({\mathbf P}\) (of dimension greater than \(2\)), the Grassmann space \(\Gamma^1({\mathbf P})=(G,{\mathcal L},{\mathcal S})\) consists of the set \(G\) of all lines of \({\mathbf P}\), the set \({\mathcal L}\) of line pencils (sets of lines incident with a given point-plane pair) and the set \({\mathcal S}\) of stars (sets of ...
Jürgen Misfeld, Corrado Zanella
openaire   +2 more sources

Molecular determinants of signal transduction in tropomyosin receptor kinases

FEBS Open Bio, EarlyView.
Tropomyosin receptor kinases control critical neuronal functions, but how do the same receptors produce diverse cellular responses? This review explores the structural mechanisms behind Trk signaling diversity, focusing on allosteric modulation and ligand bias.
Giray Enkavi
wiley   +1 more source

A Clifford Algebraic Approach to Line Geometry [PDF]

Advances in Applied Clifford Algebras, 2014
In this paper we combine methods from projective geometry, Klein's model, and Clifford algebra. We develop a Clifford algebra whose Pin group is a double cover of the group of regular projective transformations. The Clifford algebra we use is constructed as homogeneous model for the five-dimensional real projective space $P^5(\mathbb{R})$ where Klein's
openaire   +3 more sources

Hip morphology‐based osteoarthritis risk prediction models: development and external validation using individual participant data from the World COACH Consortium

Arthritis Care &Research, Accepted Article.
Objectives This study aims to develop hip morphology‐based radiographic hip osteoarthritis (RHOA) risk prediction models and investigates the added predictive value of hip morphology measurements and the generalizability to different populations. Methods We combined data from nine prospective cohort studies participating in the World COACH consortium ...
Myrthe A. van den Berg, Fleur Boel, Michiel M.A. van Buuren, Noortje S. Riedstra, Jinchi Tang, Harbeer Ahedi, Nigel K. Arden, Sita M.A. Bierma‐Zeinstra, Cindy G. Boer, Flavia M. Cicuttini, Timothy F. Cootes, David T. Felson, Willem Paul Gielis, Joshua Heerey, Graeme Jones, Stefan Kluzek, Nancy E. Lane, Claudia Lindner, Joyce B.J. van Meurs, Andrea Mosler, Amanda E. Nelson, Michael C. Nevitt, Edwin H. Oei, Jos Runhaar, Harrie Weinans, Jesse H. Krijthe, Rintje Agricola   +26 more
wiley   +1 more source

ESTIMATING TORSION OF DIGITAL CURVES USING 3D IMAGE ANALYSIS

Image Analysis and Stereology, 2016
Curvature and torsion of three-dimensional curves are important quantities in fields like material science or biomedical engineering. Torsion has an exact definition in the continuous domain.
Christoph Blankenburg, Christian Daul, Joachim Ohser   +2 more
doaj   +1 more source

Spectral optical monitoring of the double peaked emission line AGN Arp 102B: II. Variability of the broad line properties

, 2014
We investigate a long-term (26 years, from 1987 to 2013) variability in the broad spectral line properties of the radio galaxy Arp 102B, an active galaxy with broad double-peaked emission lines. We use observations presented in Paper I (Shapovalova et al.
Bochkarev, N. G., Burenkov, A. N., Chavushyan, V. H., Ilic, D., Kollatschny, W., Kovacevic, A., Leon-Tavares, J., Patino-Alvarez, V., Popovic, L. C., Shapovalova, A. I., Torrealba, J., Valdes, J. R.   +11 more
core   +1 more source

Using a Supramolecular Approach to Engineer Modular Hydrogel Platforms for Culturing Protoplasts – from General Tissue Engineering to Cellular Agriculture

Advanced Biology, EarlyView.
Using supramolecular monomers, various hydrogel culture systems were formulated to culture protoplasts; including 2D, 2.5D, and 3D hydrogels. Depending on the culture platform, bioactive functionalization led to protoplast enlargement (2D and 2.5D) or plasmolysis (3D). This work shows the potential to modularly engineer synthetic platforms for cellular
Maritza M. Rovers, Erik J. Slootweg, Ferdinand C. O. Los, Patricia Y. W. Dankers   +3 more
wiley   +1 more source

Exploration of mathematical concepts in Batik Truntum Surakarta

Infinity
This research investigates the mathematical concepts embedded within Batik Truntum motifs, including geometry, analysis, arithmetic, and algebra. Employing a qualitative methodology with an ethnographic approach, the study addresses four critical ...
Adi Nurcahyo, Naufal Ishartono, Alma Yasinta Candra Pratiwi, Mohamad Waluyo   +3 more
doaj   +1 more source

Applications of Conformal Geometric Algebra to Transmission Line Theory

IEEE Access, 2017
In this paper, we present the application of a projective geometry tool known as conformal geometric algebra (CGA) to transmission line theory. Explicit relationships between the Smith Chart, Riemann Sphere, and CGA are developed to illustrate the ...
Alex Arsenovic
doaj   +1 more source