Results 31 to 40 of about 434,628 (281)
Sparse Matrix Based Low-Complexity, Recursive, and Radix-2 Algorithms for Discrete Sine Transforms
IEEE Access, 2021 This paper presents factorizations of each discrete sine transform (DST) matrix of types I, II, III, and IV into a product of sparse, diagonal, bidiagonal, and scaled orthogonal matrices.
Sirani M. Perera, Levi E. Lingsch
doaj +1 more source
Boundary value problems on fractal hypersurfaces for the quaternionic hermitian system in R-4n [PDF]
, 2014 In this paper we formulate and study Dirichlet and jump problems on fractal hypersurfaces in R4n for quaternionic Hermitian monogenic functions, using a circulant matrix approach.
Abreu-Blaya, Ricardo +5 more
core +2 more sources
工程科学学报, 2015 This article introduces the design of symmetrical approximately shift-invariant fractional overcomplete wavelet transforms. First, a design scheme for the symmetrical low-pass filter with minimum-length was proposed, and then the corresponding highpass ...
SHEN Zheng-wei, SHI Tian, SHEN Ya-nan
doaj +1 more source
Dispersion Estimates for One-Dimensional Schr\"odinger and Klein-Gordon Equations Revisited [PDF]
, 2016 We show that for a one-dimensional Schr\"odinger operator with a potential whose first moment is integrable the scattering matrix is in the unital Wiener algebra of functions with integrable Fourier transforms.
Egorova, Iryna +3 more
core +2 more sources
Creating Transformations for Matrix Obfuscation [PDF]
, 2009 There are many programming situations where it would be convenient to conceal the meaning of code, or the meaning of certain variables. This can be achieved through program transformations which are grouped under the term obfuscation . Obfuscation is one of a number of techniques that can be employed to protect sensitive areas of code.
Drape, S, Voiculescu, I
openaire +2 more sources
Realizations of infinite products, Ruelle operators and wavelet filters [PDF]
, 2015 Using the notions and tools from realization in the sense of systems theory, we establish an explicit and new realization formula for families of infinite products of rational matrix-functions of a single complex variable.
Alpay, Daniel +2 more
core +3 more sources
LOGARITHMIC IMAGE’S CONVEXITY IN THE INTEGRAL TRANSFORMS THEORY
Известия высших учебных заведений. Поволжский регион: Физико-математические науки, 2020 Background. The method of integral transforms is one of the most important analytical methods of mathematical modeling. Numerical methods and computational algorithms are developed on its basis.
O. E. Yaremko +2 more
doaj +1 more source
Journal of Materials Research and Technology, 2023 In the present work, Ti2AlC/TiAl composites with network architecture were fabricated by the method of spark plasma sintering (SPS) at different temperature using Ti–48Al–2Cr–2Nb pre-alloyed powders and graphene nanosheets (GNSs) as raw materials.
Zhenbo Wang +4 more
doaj +1 more source
Organoids in pediatric cancer research
FEBS Letters, EarlyView.Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley +1 more source
An intracellular transporter mitigates the CO2‐induced decline in iron content in Arabidopsis shoots
FEBS Letters, EarlyView.This study identifies a gene encoding a transmembrane protein, MIC, which contributes to the reduction of shoot Fe content observed in plants under elevated CO2. MIC is a putative Fe transporter localized to the Golgi and endosomal compartments. Its post‐translational regulation in roots may represent a potential target for improving plant nutrition ...
Timothy Mozzanino +7 more
wiley +1 more source