Toeplitz Operators, $$\mathbb {T}^m$$-Invariance and Quasi-homogeneous Symbols
Sign Up to like & getrecommendations! Published in 2021 at "Integral Equations and Operator Theory"
DOI: 10.1007/s00020-021-02673-1
Abstract: For a partition k = (k1, . . . , km) of n consider the group U(k) = U(k1) × · · · × U(km) block diagonally embedded in U(n) and the center T of… read more here.
Keywords: toeplitz; operators mathbb; mathbb invariance; toeplitz operators ... See more keywords
Classification of Global Phase Portrait of Planar Quintic Quasi-Homogeneous Coprime Polynomial Systems
Sign Up to like & getrecommendations! Published in 2017 at "Qualitative Theory of Dynamical Systems"
DOI: 10.1007/s12346-016-0199-7
Abstract: This paper is devoted to the complete classification of global phase portraits (short for GPP) of quasi-homogeneous but non-homogeneous coprime planar quintic polynomial differential systems (short for QCQS). We firstly study the canonical forms of… read more here.
Keywords: planar quintic; classification; global phase; homogeneous coprime ... See more keywords
Quasi-homogeneous carbocatalysis for one-pot selective conversion of carbohydrates to 5-hydroxymethylfurfural using sulfonated graphene quantum dots
Sign Up to like & getrecommendations! Published in 2018 at "Carbon"
DOI: 10.1016/j.carbon.2018.04.087
Abstract: Abstract Graphene quantum dot (GQD), which is the latest addition to the family of nanocarbon materials, promises a wide spectrum of novel applications. Here, we for the first time demonstrate the use of GQD and… read more here.
Keywords: quasi homogeneous; graphene quantum; conversion; one pot ... See more keywords
Propagation and radiation forces of a partially coherent beam generated by a quasi-homogeneous source with defect
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Quantitative Spectroscopy and Radiative Transfer"
DOI: 10.1016/j.jqsrt.2018.11.012
Abstract: Abstract This paper derives an analytical expression for the propagation of partially coherent Schell-model beams generated by a quasi-homogenous sources partially blocked by an opaque obstacle. Then we study the quasi-homogeneous Gaussian Schell-model (GSM) beams… read more here.
Keywords: beam generated; radiation forces; quasi homogeneous; generated quasi ... See more keywords
Global dynamics of planar quasi-homogeneous differential systems
Sign Up to like & getrecommendations! Published in 2019 at "Nonlinear Analysis: Real World Applications"
DOI: 10.1016/j.nonrwa.2019.02.008
Abstract: In this paper we provide a new method to study global dynamics of planar quasi--homogeneous differential systems. We first prove that all planar quasi--homogeneous polynomial differential systems can be translated into homogeneous differential systems and… read more here.
Keywords: differential systems; quasi homogeneous; dynamics planar; global dynamics ... See more keywords
Kovalevskaya Exponents, Weak Painlevé Property and Integrability for Quasi-homogeneous Differential Systems
Sign Up to like & getrecommendations! Published in 2020 at "Regular and Chaotic Dynamics"
DOI: 10.1134/s1560354720030053
Abstract: We present some necessary conditions for quasi-homogeneous differential systems to be completely integrable via Kovalevskaya exponents. Then, as an application, we give a new link between the weak-Painlevé property and the algebraical integrability for polynomial… read more here.
Keywords: integrability; kovalevskaya exponents; differential systems; weak painlev ... See more keywords
Experimental Validation of Double Paraboloid Reflection for Obtaining Quasi-Homogeneous Distribution of Concentrated Solar Flux
Sign Up to like & getrecommendations! Published in 2023 at "Energies"
DOI: 10.3390/en16093927
Abstract: This work demonstrates that the quasi-homogeneous distribution of concentrated solar flux is achievable by using double paraboloid reflection, with a primary reflector to concentrate the sunlight, and a secondary reflector to homogenise the radiation flux.… read more here.
Keywords: homogeneous distribution; paraboloid reflection; concentrated solar; quasi homogeneous ... See more keywords
Analysis of Electro-Optical Behavior in Liquid Crystal Cells with Asymmetric Anchoring Strength
Sign Up to like & getrecommendations! Published in 2022 at "Symmetry"
DOI: 10.3390/sym14010085
Abstract: Liquid crystal director distributions have been numerically analyzed between asymmetric anchoring surfaces, that is, infinitely strong and very weak anchoring strength interfaces. In a hybrid aligned nematic (HAN) cell and a twisted nematic (TN) cell,… read more here.
Keywords: strength; anchoring strength; asymmetric anchoring; liquid crystal ... See more keywords