Zobrazeno 1 - 10
of 5 076
pro vyhledávání: '"Yu, Xian"'
Autor:
Mu, Lun-Lian, Yu, Xian-Qiao
In this study, we calculate the CP-averaged branching ratios and the direct CP-violating asymmetries of the three body decays B^{0}\rightarrow T(\pi\pi, K\bar{K},\pi\eta) in the perturbative QCD (PQCD) approach, where T denotes tensor mesons a_{2}(13
Externí odkaz:
http://arxiv.org/abs/2409.09349
We consider a residuals-based distributionally robust optimization model, where the underlying uncertainty depends on both covariate information and our decisions. We adopt regression models to learn the latent decision dependency and construct a nom
Externí odkaz:
http://arxiv.org/abs/2406.20004
Risk-sensitive reinforcement learning (RL) is crucial for maintaining reliable performance in many high-stakes applications. While most RL methods aim to learn a point estimate of the random cumulative cost, distributional RL (DRL) seeks to estimate
Externí odkaz:
http://arxiv.org/abs/2405.14749
Autor:
Yu, Xian, Basciftci, Beste
We consider a two-stage distributionally robust optimization (DRO) model with multimodal uncertainty, where both the mode probabilities and uncertainty distributions could be affected by the first-stage decisions. To address this setting, we propose
Externí odkaz:
http://arxiv.org/abs/2404.19185
Using the tight-binding model, a multi-terminal superconductor(S) device is proposed, where the structures of the center region are primitive grpahene(G) and Y-shaped Kekul\'{e} graphene superlattice(GS), respectively. The intravalley Andreev reflect
Externí odkaz:
http://arxiv.org/abs/2404.09407
Unconventional superconductivity on a honeycomb lattice has received increasing interest since the discovery of graphene primarily due to the similarities between materials with a honeycomb lattice and cuprate superconductors. Many theoretical studie
Externí odkaz:
http://arxiv.org/abs/2312.01972
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 8, Pp 1-38 (2024)
Abstract We investigate the growth of operator size in the Lindbladian Sachdev-Ye-Kitaev model with q-body interaction terms and linear jump terms at finite dissipation strength. We compute the operator size as well as its distribution numerically at
Externí odkaz:
https://doaj.org/article/0ace0eff79114af88a792005d1ad4ca9
Autor:
Chang Sheng, Xin-Wu Lu, Hong-Tao Shi, Lei Zhang, Sheng-Yun Wan, Hong-Pu Li, Ke Li, Sen Shi, Zhen-Jie Liu, Yu-Xian Luo, Guo-Dong Chen, Mao-Rong Liu, You-Gen Kang, Bo Ye, Kai Yao, Pu Yang, Wei Wang, on behalf of the Trial Investigators
Publikováno v:
BMC Medicine, Vol 22, Iss 1, Pp 1-11 (2024)
Abstract Background A stent with characteristics of a hybrid design may have advantages in improving the patency of symptomatic iliofemoral vein obstruction. This study assessed the safety and effectiveness of the V-Mixtent Venous Stent in treating s
Externí odkaz:
https://doaj.org/article/dc64fad84916431da5d6ea6af2ecd8f0
The transport properties of electrons in graphene $p$-$n$ junction with uniform Kekul\'e lattice distortion have been studied using the tight-binding model and the Landauer-B\"uttiker formalism combined with the nonequilibrium Green's function method
Externí odkaz:
http://arxiv.org/abs/2307.08932
Autor:
Dai, Jing, Yu, Xian-Qiao
Publikováno v:
Phys. Rev. D 109, 016024(2024)
In the present study, the calculations of two-body decays B^{0}_{s} \rightarrow \ TT [ T denotes tensor mesons, a_{2}(1320), K^{*}_{2}(1430), f_{2}(1270), f^{'}_{2}(1525)] in the perturbative QCD approach are presented. The ensuing predictions encomp
Externí odkaz:
http://arxiv.org/abs/2306.09378