Results 161 to 170 of about 801 (189)
Cardiovascular magnetic resonance imaging in mitral valve disease. [PDF]
Eur Heart JGarg P, Pavon AG, Penicka M, Uretsky S.
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Modeling pesticides and ecotoxicological risk assessment in an intermittent river using SWAT. [PDF]
Sci RepCentanni M +3 more
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Uterus transplantation: a rescue technique to save the viability and functionality of the graft after intra-operative outflow thrombosis. [PDF]
F S RepD'Amico G +11 more
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Event Horizon Telescope observations exclude compact objects in baseline mimetic gravity. [PDF]
Sci RepKhodadi M, Vagnozzi S, Firouzjaee JT.
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International Journal of Mathematics, 2010
In this paper, we introduce the Sasaki–Ricci flow to study the existence of η-Einstein metrics. In the positive case any η-Einstein metric can be homothetically transformed to a Sasaki–Einstein metric. Hence it is an odd-dimensional counterpart of the Kähler–Ricci flow. We prove its well-posedness and long-time existence.
Smoczyk, Knut +2 more
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In this paper, we introduce the Sasaki–Ricci flow to study the existence of η-Einstein metrics. In the positive case any η-Einstein metric can be homothetically transformed to a Sasaki–Einstein metric. Hence it is an odd-dimensional counterpart of the Kähler–Ricci flow. We prove its well-posedness and long-time existence.
Smoczyk, Knut +2 more
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International Journal of Mathematics, 2020
In this paper, we study the Ricci–Bourguignon flow of all locally homogenous geometries on closed three-dimensional manifolds. We also consider the evolution of the Yamabe constant under the Ricci–Bourguignon flow. Finally, we prove some results for the Bach-flat shrinking gradient soliton to the Ricci–Bourguignon flow.
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In this paper, we study the Ricci–Bourguignon flow of all locally homogenous geometries on closed three-dimensional manifolds. We also consider the evolution of the Yamabe constant under the Ricci–Bourguignon flow. Finally, we prove some results for the Bach-flat shrinking gradient soliton to the Ricci–Bourguignon flow.
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IEEE Transactions on Visualization and Computer Graphics, 2008
This work introduces a unified framework for discrete surface Ricci flow algorithms, including spherical, Euclidean, and hyperbolic Ricci flows, which can design Riemannian metrics on surfaces with arbitrary topologies by user-defined Gaussian curvatures. Furthermore, the target metrics are conformal (angle-preserving) to the original metrics.
Miao Jin +3 more
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This work introduces a unified framework for discrete surface Ricci flow algorithms, including spherical, Euclidean, and hyperbolic Ricci flows, which can design Riemannian metrics on surfaces with arbitrary topologies by user-defined Gaussian curvatures. Furthermore, the target metrics are conformal (angle-preserving) to the original metrics.
Miao Jin +3 more
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Numerische Mathematik, 2014
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On the Ricci curvature of Kähler-Ricci flow
2022In this thesis, we consider n-dimensional compact Kähler manifold X with semi-ample canonical line bundle. We investigate the bound of Ricci curvature of X along the long time solution of Kähler Ricci Flow. In particular, when the fibres of X over the canonical model X can of X are biholomorphic to each other and the Kodaira dimension ...
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Combinatorial Ricci flows for ideal circle patterns
Advances in Mathematics, 2021Ze Zhou, Bobo Hua, Huabin Ge
exaly