Results 61 to 70 of about 5,423,449 (300)
A Geometric Characterization of Steady Laminar Flow
Communications on Pure and Applied Mathematics, EarlyView.ABSTRACT We study the steady states of the Euler equations on the periodic channel or annulus. We show that if these flows are laminar (layered by closed non‐contractible streamlines which foliate the domain), then they must be either parallel or circular flows.
Theodore D. Drivas, Marc Nualart
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Morse Sequences: A Simple Approach to Discrete Morse Theory
Journal of Mathematical Imaging and VisionIn this paper, we develop the notion of a Morse sequence, which provides an alternative approach to discrete Morse theory, and which is both simple and effective. A Morse sequence on a finite simplicial complex is a sequence composed solely of two elementary operations, that is, expansions (the inverse of a collapse), and fillings (the inverse of a ...
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Morse Theory and Tilting Sheaves [PDF]
Pure and Applied Mathematics Quarterly, 2006 Dedicated to R.
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Homotopy equivalent spectral transformation and Morse theory
, 1995 this paper is to establish systematic treatment of a speech-spectrum transformation and to make the notion of " deformation of spectral-surface". For this purpose, we use the algebraic topological language mainly developed in Morse theory.
Yoshinao Shiraki, Morse Theory
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Contributions to Plasma Physics, EarlyView.ABSTRACT Warm dense matter (WDM) is a complex state, where quantum effects, thermal excitations, and strong interparticle correlations coexist. Understanding its microscopic composition and medium‐induced modifications of atomic and molecular properties is essential for planetary modeling, fusion research, and high‐energy‐density experiments.
L. T. Yerimbetova +4 more
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Towards a Morse theory on Banach spaces via ultrafunctions
Arab Journal of Mathematical Sciences, 2015 Morse Theory on Banach spaces would be a useful tool in nonlinear analysis but its development is hindered by many technical problems. In this paper we present an approach based on a new notion of generalized functions called “ultrafunctions” which ...
Vieri Benci, Isaia Nisoli
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, 1890 This negative is in private ownership.; Part of: Robert Morse Withycombe collection.; Title devised by cataloguer based on information supplied by donor.; Electronic reproduction. Canberra : National Library of Australia, 2002. 1 digital photograph : col.
Withycombe, Robert Morse, 1868-1936.
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Microclimate mediates the strength and direction of avian biotic interactions
Ecography, EarlyView.Theory predicts that the strength and direction of species interactions can shift from being competitive in benign environments toward being facilitative in stressful environments. However, the environmental context dependency of species interactions has rarely been tested in animal communities.
Sarah J. K. Frey +6 more
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Three nontrivial solutions for nonlinear fractional Laplacian equations
Advances in Nonlinear Analysis, 2018 We study a Dirichlet-type boundary value problem for a pseudodifferential equation driven by the fractional Laplacian, proving the existence of three non-zero solutions.
Düzgün Fatma Gamze +1 more
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Ecography, EarlyView.The core of Janzen's tropical mountain passes hypothesis is that relatively stable annual temperature variation limits species' thermal tolerances breadth, which, in combination with steep elevational temperature gradients, constrains the elevational distributions of these species. In addition to thermal niche breadth, elevational ranges were shaped by
Tingting Zhou +9 more
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