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- Centre National de la Recherche ScientifiqueFR34 papers
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- Queen's University BelfastGB20 papers
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- Planetary Science InstituteUS17 papers
29 papers · 1 filter
Criterion of the boundedness of singular integrals on spaces of homogeneous type
Yanchang Han, Yongsheng Han, Ji Li
It was well known that geometric considerations enter in a decisive way in many questions of harmonic analysis. The main purpose of this paper is to provide the criterion of the bo…
Non-linear noise excitation for some space-time fractional stochastic equations in bounded domains
Mohammud Foondun, Jebessa Mijena, Erkan Nane
In this paper we study non-linear noise excitation for the following class of space-time fractional stochastic equations in bounded domains: $$\partial^β_tu_t(x)=-ν(-Δ)^{α/2} u_t(x…
Numerical Ranges of 4-by-4 Nilpotent Matrices: Flat Portions on the Boundary
Erin Militzer, Linda J. Patton, Ilya M. Spitkovsky +1
In their 2008 paper Gau and Wu conjectured that the numerical range of a 4-by-4 nilpotent matrix has at most two flat portions on its boundary. We prove this conjecture, establishi…
On the Well-posedness of 2-D Incompressible Navier-Stokes Equations with Variable Viscosity in Critical Spaces
Huan Xu, Yongsheng Li, Xiaoping Zhai
In this paper, we first prove the local well-posedness of the 2-D incompressible Navier-Stokes equations with variable viscosity in critical Besov spaces with negative regularity i…
Spaces l-Dominated by I or R
Paul Gartside, Ziqin Feng
If is compact metrizable and has finite fd-height then the unit interval, , -dominates , in other words, there is a continuous linear map of onto .…
Symmetrization of Principal Minors and Cycle-Sums
Huajun Huang, Luke Oeding
We solve the Symmetrized Principal Minor Assignment Problem, that is we show how to determine if for a given vector there is an matrix that has al…