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10 papers · 1 filter
Willmore surfaces in spheres via loop groups IV: on totally isotropic Willmore two-spheres in
Peng Wang
Totally isotropic surfaces in are not necessarily Willmore surfaces. Therefore it is the first goal of this paper to derive a geometric characterization of totally isotropic…
On the Optimality in General Sense for Odd-Block Search
Mu-Fa Chen, Dan-Hua Huang
In his classical article[3](1953), J.Kiefer introduced the Fibonacci search as a direct optimal method. The optimality was proved under the restriction: the total number of tests i…
Efficient spin injection into graphene through a tunnel barrier: overcoming the spin conductance mismatch
Qingyun Wu, Lei Shen, Zhaoqiang Bai +4
Employing first-principles calculations, we investigate efficiency of spin injection from a ferromagnetic (FM) electrode (Ni) into graphene and possible enhancement by using a barr…
On symmetric Willmore surfaces in spheres II: the orientation reversing case
Josef F. Dorfmeister, Peng Wang
In this paper we provide a systematic treatment of Willmore surfaces with orientation reversing symmetries and illustrate the theory by (old and new) examples. We apply our theory…
Exponential Convergence in -Wasserstein Distance for Diffusion Processes without Uniformly Dissipative Drift
Dejun Luo, Jian Wang
By adopting the coupling by reflection and choosing an auxiliary function which is convex near infinity, we establish the exponential convergence of diffusion semigroups $(P_t)_{t\…
Electronic and Transport Property of Phosphorene Nanoribbon
Qingyun Wu, Lei Shen, Ming Yang +2
By combining density functional theory and nonequilibrium Green's function, we study the electronic and transport properties of monolayer black phosphorus nanoribbons (PNRs). First…