Results 31 to 40 of about 15,789 (130)

Sampling and Reconstruction of Sparse Signals on Circulant Graphs - An Introduction to Graph-FRI

, 2017
With the objective of employing graphs toward a more generalized theory of signal processing, we present a novel sampling framework for (wavelet-)sparse signals defined on circulant graphs which extends basic properties of Finite Rate of Innovation (FRI)
Dragotti, Pier Luigi, Kotzagiannidis, Madeleine S.   +1 more
core   +1 more source

Circulant Matrix‐Based Box–Behnken Designs With Economic Run Sizes

Quality and Reliability Engineering International, EarlyView.
ABSTRACT We introduce Circulant Matrix‐Based Box–Behnken Designs (CBBDs), a new class of three‐level, second‐order response surface designs constructed using circulant matrix structures. These designs satisfy an enhanced orthogonal minimally aliased (OMA∗${\rm OMA}^*$) property: they retain the classical OMA property—where main effects are orthogonal ...
Tung‐Dinh Pham, Nam‐Ky Nguyen
wiley   +1 more source

Computing the Exponential of Large Block-Triangular Block-Toeplitz Matrices Encountered in Fluid Queues

, 2015
The Erlangian approximation of Markovian fluid queues leads to the problem of computing the matrix exponential of a subgenerator having a block-triangular, block-Toeplitz structure.
Bini, D. A., Dendievel, S., Latouche, G., Meini, B.   +3 more
core   +1 more source

A Preconditioned Majorization‐Minimization Method for ℓ2$$ {\ell}^2 $$‐ℓq$$ {\ell}^q $$ Minimization

Numerical Linear Algebra with Applications, Volume 33, Issue 3, June 2026.
ABSTRACT The need to minimize a linear combination of an expression that involves an ℓq$$ {\ell}^q $$‐norm of a linear transformation of the computed solution and the ℓ2$$ {\ell}^2 $$‐norm of the residual error arises in image restoration as well as in statistics.
A. Buccini, M. Donatelli, M. Ratto, L. Reichel   +3 more
wiley   +1 more source

Post‐surgery level of circulating DNA in stage III colon cancer patients: Impact on the reliability of minimal residual disease detection

International Journal of Cancer, Volume 158, Issue 10, Page 2771-2783, 15 May 2026.
What's New? Circulating nuclear DNA (cir‐nDNA)‐based assessment of minimal residual disease (MRD) offers powerful post‐surgery prognostic insight for stage III colon cancer (CC). Sparse knowledge of post‐surgical variations and origins in cir‐nDNA, however, has limited its clinical application.
Andrei Kudriavtsev, Saidi Daoud, Catalina Isabel Cofre Muñoz, Alexia Mirandola, Ekaterina Pisareva, Javier Gonzalo Ruiz, Marco Macagno, Nadia Saoudi Gonzalez, Evelyne Crapez, Marc Ychou, Ramon Salazar Soler, Elisabetta Fenocchio, Paula X. Fernandez Calotti, Thibault Mazard, Cristina Santos Vivas, Elena Elez, Federica Di Nicolantonio, Alain R. Thierry   +17 more
wiley   +1 more source

β3‐adrenoceptor agonism exerts lung protection in a rat model of bronchopulmonary dysplasia

British Journal of Pharmacology, Volume 183, Issue 10, Page 2497-2517, May 2026.
The β3‐adrenoceptors agonist BRL37344 promotes lung maturation, preventing the progression of experimental bronchopulmonary dysplasia. Absract Background and Purpose Bronchopulmonary dysplasia (BPD) affects premature newborns, particularly those receiving supplemental oxygen therapy.
Alessandro Pini, Patrizia Nardini, Virginia Zizi, Marta Molino, Maura Calvani, Francesco Carrozzo, Rachele Amato, Daniele Guasti, Denise Biagini, Fabio di Francesco, Ludovico Silvestri, Alessandra Franceschini, Daniele Bani, Elisa Imbimbo, Luca Filippi   +14 more
wiley   +1 more source

Representation of Cyclotomic Fields and Their Subfields [PDF]

, 2012
Let $\K$ be a finite extension of a characteristic zero field $\F$. We say that the pair of $n\times n$ matrices $(A,B)$ over $\F$ represents $\K$ if $\K \cong \F[A]/$ where $\F[A]$ denotes the smallest subalgebra of $M_n(\F)$ containing $A$ and $$ is an
A. K. Lal, A. Satyanarayana, K Mehta, Reddy Shashank   +3 more
core  

Closed orbit correction at synchrotrons for symmetric and near-symmetric lattices

, 2019
This contribution compiles the benefits of lattice symmetry in the context of closed orbit correction. A symmetric arrangement of BPMs and correctors results in structured orbit response matrices of Circulant or block Circulant type.
A. Wolski, G. Decker, G. H. Golub, K. Wille, K. R. Rao, L. Liu, M. Munoz, P. J. Davis, R. J. Steinhagen, S. Gayadeen, S. H. Mirza, V. Ziemann, W. H. Press, Y. Cheng, Y. Tian   +14 more
core   +1 more source

Accelerating Conjugate Gradient Solvers for Homogenization Problems With Unitary Neural Operators

International Journal for Numerical Methods in Engineering, Volume 127, Issue 5, 15 March 2026.
ABSTRACT Rapid and reliable solvers for parametric partial differential equations (PDEs) are needed in many scientific and engineering disciplines. For example, there is a growing demand for composites and architected materials with heterogeneous microstructures.
Julius Herb, Felix Fritzen
wiley   +1 more source

Confidential communication scheme based on uncertainty of underwater noisy channels

Tongxin xuebao, 2019
Aiming at the influence of the uncertainty of underwater noise on information transmission and the security problem of the communication over noisy channels,a confidential communication scheme based on the uncertainty of underwater noisy channels was ...
Ming XU, Fang CHEN
doaj   +2 more sources