Results 141 to 150 of about 10,069,733 (332)
Advanced Materials Interfaces, EarlyView.Simplified quantum sensing technique for the detection of short electrical signals occurring in neuronal signaling or bioinspired technologies. We demonstrate a single frequency continuous‐wave optically detected magnetic resonance (CW‐ODMR) approach to sense signals that can be as short as 0.2 ms.
João Paulo Silva +4 more
wiley +1 more source
A note on the characteristic polynomial of the commutation matrix
, 1981 Recently Magnus and Neudecker (1979) derived several properties of the so-called commutation matrix, i.e. the matrix that maps vec A onto vec A′. Hartwig and Morris (1975) studied its characteristic polynomial, but the formula they obtain is not quite ...
Adriaan P. van der Plas +3 more
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Advanced Materials Interfaces, EarlyView.Cornus mas L. seeds are transformed into a high‐performance biosorbent through chemical modification, effectively removing methylene blue from aqueous solutions. Comprehensive characterization and optimization reveal a maximum biosorption capacity of 71.71 mg g−1, establishing this sustainable, cost‐effective material as a promising solution for ...
Hakan Yıldız +2 more
wiley +1 more source
Computation of Minimal Polynomials and Multivector Inverses in Non-Degenerate Clifford Algebras
MathematicsClifford algebras are an active area of mathematical research having numerous applications in mathematical physics and computer graphics, among many others.
Dimiter Prodanov
doaj +1 more source
Minimal Energy Tree with 4 Branched Vertices
Open Chemistry, 2019 The energy of a graph is defined as the sum of absolute values of the eigenvalues of its adjacency matrix. Let Ω(n,4) be the class of all trees of order n and having 4 branched vertices. In this paper, the minimal energy tree in the class Ω(n,4) is found.
Hameed Saira, Ahmad Uzma
doaj +1 more source
On the coefficients of the characteristic polynomial of a matrix
Discrete Mathematics, 1994 As is well known, the coefficients \(p_ i\) \((i=0,1, \dots, n)\) of the characteristic polynomial of a square matrix \(A\) of order \(n\) can be obtained from traces \(q_ k=\text{tr} A^ k\) \((k=0,1, \dots,n-1)\) by Newton's formulas in a recursive way. The author develops an explicit combinatorial formula yielding \(p_ i\) solely as functions of \(q_
openaire +2 more sources
Advanced Materials Technologies, EarlyView.Waterborne polyurethane/graphene formulations are developed as piezoresistive coatings on glass fabric to enable flexible strain sensing. The graphene‐enabled conductive network provides a stable electromechanical response under cyclic compression. The coating demonstrates reliable pressure‐dependent resistance changes, highlighting its potential for ...
Vishnu Vijayan Pillai +8 more
wiley +1 more source
Advanced Materials Technologies, EarlyView.This study explores how machine learning models, trained on small experimental datasets obtained via Phase Doppler Anemometry (PDA), can accurately predict droplet size (D32) in ultrasonic spray coating (USSC). By capturing the influence of ink complexity (solvent, polymer, nanoparticles), power, and flow rate, the model enables precise droplet control
Pieter Verding +5 more
wiley +1 more source
Matrices with prescribed entries and characteristic polynomial
, 1974 It is proved that there exists an n × n n \times n matrix over an arbitrary field with n − 1 n - 1 prescribed entries and prescribed characteristic polynomial.
J. A. Dias da Silva
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Advanced Materials Technologies, EarlyView.Milled polycrystalline NMC811 cathode (MPC NMC) with smaller secondary particle and higher surface area had 1) greater cathode tortuosity, 2) reduced surface Ni on the cycled MPC cathodes consistent with surface reconstruction, and 3) increased Ni deposition from cathode‐anode crosstalk, manifesting in lower functional capacity and higher impedance ...
Edelmy J. Marin Bernardez +22 more
wiley +1 more source