3 papers
cs.SI2024
RCoCo: Contrastive Collective Link Prediction across Multiplex Network in Riemannian Space
Li Sun, Mengjie Li, Yong Yang +4
Link prediction typically studies the probability of future interconnection among nodes with the observation in a single social network. More often than not, real scenario is prese…
astro-ph.HE2022
Polarized Optical Emission of the Blazar PKS 1222+216: Discovery of A 420-day Quasi-Periodic Signal
Pengfei Zhang, Zhongxiang Wang
We report our search for quasi-periodic signals in long-term optical and -ray data for the blazar PKS~1222+216, where the data are from the Steward Observatory blazar monitoring…
math.DS2014
An answer to Hammerlindl's question on strong unstable foliations
Yan Ren, Shaobo Gan, Pengfei Zhang
Let be a partially hyperbolic diffeomorphism on the 3-torus . In his thesis, Hammerlindl proved that for lifted center foliation $\ma…