incontestable
发表于 2025-3-21 17:58:23
书目名称Lorentzian Geometry and Related Topics影响因子(影响力)<br> http://impactfactor.cn/if/?ISSN=BK0588647<br><br> <br><br>书目名称Lorentzian Geometry and Related Topics影响因子(影响力)学科排名<br> http://impactfactor.cn/ifr/?ISSN=BK0588647<br><br> <br><br>书目名称Lorentzian Geometry and Related Topics网络公开度<br> http://impactfactor.cn/at/?ISSN=BK0588647<br><br> <br><br>书目名称Lorentzian Geometry and Related Topics网络公开度学科排名<br> http://impactfactor.cn/atr/?ISSN=BK0588647<br><br> <br><br>书目名称Lorentzian Geometry and Related Topics被引频次<br> http://impactfactor.cn/tc/?ISSN=BK0588647<br><br> <br><br>书目名称Lorentzian Geometry and Related Topics被引频次学科排名<br> http://impactfactor.cn/tcr/?ISSN=BK0588647<br><br> <br><br>书目名称Lorentzian Geometry and Related Topics年度引用<br> http://impactfactor.cn/ii/?ISSN=BK0588647<br><br> <br><br>书目名称Lorentzian Geometry and Related Topics年度引用学科排名<br> http://impactfactor.cn/iir/?ISSN=BK0588647<br><br> <br><br>书目名称Lorentzian Geometry and Related Topics读者反馈<br> http://impactfactor.cn/5y/?ISSN=BK0588647<br><br> <br><br>书目名称Lorentzian Geometry and Related Topics读者反馈学科排名<br> http://impactfactor.cn/5yr/?ISSN=BK0588647<br><br> <br><br>
黑豹
发表于 2025-3-21 21:45:58
978-3-030-09767-7Springer International Publishing AG 2017
讽刺滑稽戏剧
发表于 2025-3-22 03:27:01
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思考才皱眉
发表于 2025-3-22 07:38:50
Anti-De Sitter Spacetimes and Isoparametric Hypersurfaces in Complex Hyperbolic Spaces,By lifting hypersurfaces in complex hyperbolic spaces to anti-De Sitter spacetimes, we prove that an isoparametric hypersurface in the complex hyperbolic space has the same principal curvatures as a homogeneous one.
愚笨
发表于 2025-3-22 11:36:56
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Migratory
发表于 2025-3-22 14:03:13
Space-Time Convex Functions and Sectional Curvature,vex and .-convex (.) functions, as defined by Gibbons and Ishibashi. Among the consequences are a natural construction of such functions, and an analog, that applies to domains of a new type, of a theorem of Alías, Bessa and deLira ruling out trapped submanifolds.
断断续续
发表于 2025-3-22 17:17:28
Recent Results on Oscillator Spacetimes,eralizing its bi-invariant metric, ‘is probably the most relevant naturally reductive Lorentzian example in the literature’ Batat et al. (Differ Geometry Appl 41: 48–64, [.]) . We describe an explicit system of global coordinates for the Lorentzian oscillator group, and use it to compute its symmetries and solutions to the Ricci soliton equation.
生来
发表于 2025-3-22 22:03:24
Umbilical Spacelike Submanifolds of Arbitrary Co-dimension,long normal directions. We do that by using the so-called ., i.e., the trace-free part of the second fundamental form. We define the . and the . as the spaces generated by the total shear tensor and by the umbilical vector fields, respectively. We show that the sum of their dimensions must equal the co-dimension.
生意行为
发表于 2025-3-23 05:20:50
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Harrowing
发表于 2025-3-23 07:01:12
Extending Translating Solitons in Semi-Riemannian Manifolds,which are invariant by the action of a Lie group of isometries of the ambient space, by paying attention to the behavior close to the singular orbit (if any) and at infinity. Then, we provide some related examples.