activity
20202026
most citedThe innermost stable circular orbit and shadow in the novel Einstein-Gauss-Bonnet gravity

251 citations · 262 across the 11 of their papers we have counts for

collaborators

12 papers

q-fin.RM2026

Option Pricing beyond Black-Scholes Model:Quantum Mechanics Approach

Pengpeng Li, Shi-Dong Liang

Based on the analog between the stochastic dynamics and quantum harmonic oscillator, we propose a market force driving model to generalize the Black-Scholes model in finance market…

gr-qc2023

Gravitational waves from extreme mass ratio inspirals around a hairy Kerr black hole

Tieguang Zi, Peng-Cheng Li

Recently, Contreras et al. \cite{Contreras:2021yxe} introduced a new type of black hole, called hairy Kerr black hole (HKBH), which describes a Kerr BH surrounded by an axially sym…

gr-qc2023

Quasinormal modes of rotating accelerating black holes

Wei Xiong, Peng-Cheng Li

This paper studies the quasinormal mode spectrum of the scalar perturbation on the background of the rotating accelerating black holes. The quasinormal frequency and the separa…

cond-mat.mtrl-sci2023

Imaging Light-Induced Migration of Dislocations in Halide Perovskites with 3D Nanoscale Strain Mapping

Kieran W. P. Orr, Jiecheng Diao, Muhammad Naufal Lintangpradipto +14

In recent years, halide perovskite materials have been used to make high performance solar cell and light-emitting devices. However, material defects still limit device performance…

physics.optics2022★ 1 cited

Deterministic relation between optical polarization and lattice symmetry revealed in ion-doped single microcrystals

Peng Li, Yaxin Guo, Ao Liu +5

Rare-earth ions doped crystals are of great significance for micro-sensing and quantum information, whilst the ions in the crystals emit light with spontaneous partial polarization…

hep-th2021

On AdS Black Strings at Large

Peng-Cheng Li, Cheng-Yong Zhang

In this paper we study the stability of an homogeneous black string in the presence of a negative cosmological constant with minimally coupled scalar fields by using the large …

q-fin.ST2021★ 2 cited

Predicting Daily Trading Volume via Various Hidden States

Shaojun Ma, Pengcheng Li

Predicting intraday trading volume plays an important role in trading alpha research. Existing methods such as rolling means(RM) and a two-states based Kalman Filtering method have…

cs.LG2020

GRAPHSPY: Fused Program Semantic-Level Embedding via Graph Neural Networks for Dead Store Detection

Yixin Guo, Pengcheng Li, Yingwei Luo +2

Production software oftentimes suffers from the issue of performance inefficiencies caused by inappropriate use of data structures, programming abstractions, and conservative compi…

physics.ins-det2020

Detector tilt considerations in high-energy Bragg coherent diffraction imaging: a simulation study

Siddharth Maddali, Marc Allain, Peng Li +2

This paper addresses three-dimensional signal distortion and image reconstruction issues in x-ray Bragg coherent diffraction imaging (BCDI) in the event of a general non-orthogonal…

cs.LG2020★ 7 cited

Learning Forward Reuse Distance

Pengcheng Li, Yongbin Gu

Caching techniques are widely used in the era of cloud computing from applications, such as Web caches to infrastructures, Memcached and memory caches in computer architectures. Pr…

cs.DC2020★ 1 cited

DaSGD: Squeezing SGD Parallelization Performance in Distributed Training Using Delayed Averaging

Qinggang Zhou, Yawen Zhang, Pengcheng Li +4

The state-of-the-art deep learning algorithms rely on distributed training systems to tackle the increasing sizes of models and training data sets. Minibatch stochastic gradient de…

gr-qc2020★ 251 cited

The innermost stable circular orbit and shadow in the novel Einstein-Gauss-Bonnet gravity

Minyong Guo, Peng-Cheng Li

Recently, a novel Einstein-Gauss-Bonnet (EGB) gravity was formulated and a spherically symmetric black hole solution in this theory was derived by D. Glavan and C. Lin \cite{G…