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pro vyhledávání: '"radius estimates"'
Autor:
Tinaglia, Giuseppe, Zhou, Alex
In this paper we study the geometry of complete constant mean curvature (CMC) hypersurfaces immersed in an (n + 1)-dimensional Riemannian manifold N (n = 2, 3 and 4) with sectional curvatures uniformly bounded from below. We generalise radius estimat
Externí odkaz:
http://arxiv.org/abs/2411.02151
Let $\mathcal{P}$ denote the Carath\'{e}odory class accommodating all the analytic functions $p$ having positive real part and satisfying $p(0)=1$. In this paper, the second coefficient of the normalized analytic function $f$ defined on the open unit
Externí odkaz:
http://arxiv.org/abs/2305.16210
Akademický článek
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Autor:
Thomsen, Jeppe Sinkbæk, Brogaard, Karsten, Arentoft, Torben, Slumstrup, Ditte, Lund, Mikkel Nørup, Grundahl, Frank, Miglio, Andrea, Jessen-Hansen, Jens, Frandsen, Søren
Asteroseismic scaling relations can provide high-precision measurements of mass and radius for red giant (RG) stars displaying solar-like oscillations. Their accuracy can be validated and potentially improved using independent and accurate observatio
Externí odkaz:
http://arxiv.org/abs/2210.05410
Autor:
Brogaard, K., Arentoft, T., Slumstrup, D., Grundahl, F., Lund, M. N., Arndt, L., Grund, S., Rudrasingam, J., Theil, A., Christensen, K., Sejersen, M., Vorgod, F., Salmonsen, L., Endelt, L. Ørtoft, Dainese, S., Frandsen, S., Miglio, A., Tayar, J., Huber, D.
Publikováno v:
A&A 668, A82 (2022)
Eclipsing binary stars with an oscillating giant component allow accurate stellar parameters to be derived and asteroseismic methods to be tested and calibrated. To this aim, suitable systems need to be firstly identified and secondly measured precis
Externí odkaz:
http://arxiv.org/abs/2210.02059
Autor:
Decio, Stefano
We show that Steklov eigenfunctions in a bounded Lipschitz domain have wavelength dense nodal sets near the boundary, in contrast to what can happen deep inside the domain. As a converse, in a two-dimensional Lipschitz domain $\Omega$, we prove that
Externí odkaz:
http://arxiv.org/abs/2102.05549
Ma-Minda class (of starlike functions) consists of all normalized analytic functions $f$ on the unit disk for which the image of $zf'(z)/f(z)$ is contained in the some starlike region in the right-half plane. We obtain the best possible bounds on the
Externí odkaz:
http://arxiv.org/abs/1905.05413
Autor:
Ge, Jian, Li, Ronggang
In this note, we study the radius of positively curved or non-negatively curved Alexandrov space with strictly convex boundary, with convexity measured by the Base-Angle defined by Alexander and Bishop. We also estimate the volume of the boundary of
Externí odkaz:
http://arxiv.org/abs/1812.02571
Autor:
Brogaard, K., Hansen, C. J., Miglio, A., Slumstrup, D., Frandsen, S., Jessen-Hansen, J., Lund, M. N., Bossini, D., Thygesen, A., Davies, G. R., Chaplin, W. J., Arentoft, T., Bruntt, H., Grundahl, F., Handberg, R.
We aim to establish and improve the accuracy level of asteroseismic estimates of mass, radius, and age of giant stars. This can be achieved by measuring independent, accurate, and precise masses, radii, effective temperatures and metallicities of lon
Externí odkaz:
http://arxiv.org/abs/1801.08167
Akademický článek
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