Results 11 to 20 of about 327,393 (318)

Karl-Peter Hadeler: His legacy in mathematical biology [PDF]

open access: yes, 2018
Karl-Peter Hadeler is a first-generation pioneer in mathematical biology. His work inspired the contributions to this special issue. In this preface we give a brief biographical sketch of K.P.
Thieme, Horst   +5 more
core   +1 more source

RNS-Based FPGA Accelerators for High-Quality 3D Medical Image Wavelet Processing Using Scaled Filter Coefficients

open access: yesIEEE Access, 2022
Medical imaging using different modalities has many problems. The main ones are low informativeness, various distortion noises, and a large amount of information. Fusion, denoising, and visual data compression are used to solve them in practice. Discrete
Nikolay N. Nagornov   +3 more
doaj   +1 more source

Mathematical modelling in science and mathematics education [PDF]

open access: yesComputer Physics Communications, 2011
Scientific research involves mathematical modelling in the context of an interactive balance between theory, experiment and computation. However, computational methods and tools are still far from being appropriately integrated in the high school and university curricula in science and mathematics.
Vítor Duarte Teodoro, Rui Gomes Neves
openaire   +2 more sources

The critical probability for confetti percolation equals 1/2 [PDF]

open access: yes, 2017
In the confetti percolation model, or two-coloured dead leaves model, radius one disks arrive on the plane according to a space-time Poisson process. Each disk is coloured black with probability p and white with probability 1 − p.
Mathematical Modeling   +2 more
core   +1 more source

The hunt for canards in population dynamics: A predator-prey system [PDF]

open access: yes, 2014
Equations with periodic coefficients for singularly perturbed growth can be analysed by using fast and slow timescales which involves slow manifolds, canards and the dynamical exchanges between several slow manifolds.
Mathematical Modeling   +2 more
core   +1 more source

Infinite discrete chains and the maximal number of countable models

open access: yesВестник КазНУ. Серия математика, механика, информатика, 2021
The paper is aimed at studying the countable spectrum of small linearly ordered theories. The objectives of the research are to study the structural properties of countable linearly ordered theories, as well as to promote the solution to the well-known ...
B. Baizhanov, T. Zambarnaya
doaj   +1 more source

Near-integrability and recurrence in FPU cell-chains [PDF]

open access: yes, 2016
In a neighborhood of stable equilibrium, we consider the dynamics for at least three degrees-of-freedom (dof) Hamiltonian systems (2 dof systems are not ergodic in this case).
Verhulst, F.   +2 more
core   +1 more source

Hausdorff dimension of the arithmetic sum of self-similar sets [PDF]

open access: yes, 2016
Let β>1. We define a class of similitudes S:=(fi(x)=xβni+ai:ni∈N+,ai∈R). Taking any finite collection of similitudes (fi(x))i=1m from S, it is well known that there is a unique self-similar set K1 satisfying K1=∪i=1mfi(K1).
Jiang, Kan   +2 more
core   +1 more source

Recurrence and Resonance in the Cubic Klein-Gordon Equation [PDF]

open access: yes, 2019
In a number of models for coupled oscillators and nonlinear wave equations primary resonances dominate the phase-space phenomena. A new feature is that in a Hamiltonian framework, the interaction of primary and higher order resonances is shown to be ...
Verhulst, F.   +2 more
core   +1 more source

Possible Effects of the Fractal Distribution of Relic Wormholes

open access: yesUniverse, 2021
We discuss the possibility that the distribution of relic wormholes may possess fractal properties. Relic wormholes and their fractal distributions are predicted in a natural way by lattice quantum gravity models.
Alexander A. Kirillov   +2 more
doaj   +1 more source

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