Large Deviations for Local Times of Stable Processes and Stable Random Walks in 1 Dimension (2009)
Xia Chen, Wenbo V. Li, Jay Rosen
E l e c t r o n
Large deviations and renormalization for Riesz potentials of stable intersection measures (2009)
We study the object formally defined as \gamma\big([0,t]^{2}\big)=\int\int_{[0,t]^{2}} | X_{s}- X_{r}|^{-\sigma} dr ds-E\int\int_{[0,t]^{2}} | X_{s}- X_{r}|^{-\sigma} dr ds, where $X_{t}$ is the...
Chen, Xia, Li, Wenbo V., Rosinski, Jan, Shao, Qi-Man
In this paper we prove exact forms of large deviations for local times and intersection local times of fractional Brownian motions and Riemann-Liouville processes. We also show that a fractional...
Purification and Characterization of 5'-nucleotidase from Trimeresurus albolabris Venom (2009)
CHEN, Xia, YU, Xiao-dong, DENG, Min, LI, Hui, HE, Qi-yi, LIU, Jian-ping
A 5'-nucleotidase was isolated and purified from the snake venom of T. albolabris using three steps of chromatography including DEAE-SephadexA-25, Sephadex-G-100 and CM-Sephadex C-50. Using SDS-PAGE...
Li, Jianzhong, Chen, Xia, Gong, Xuelian, Liu, Ying, Feng, Hao, Qiu, Lei, ...
Abstract Background The human zinc finger protein 191 (ZNF191) is a member of the SCAN domain family of Krüppel-like zinc finger transcription factors. ZNF191 shows 94% identity to its mouse...
Katherine E. Coons, Xia Chen, Sundeep K. Kushwahaý, Doug Burger, Kathryn S. Mckinley
Growing on-chip wire delays are motivating architectural features that expose on-chip communication to the compiler. EDGE architectures are one example of communication-exposed microarchitectures in...
A CLT for the L^{2} modulus of continuity of Brownian local time (2009)
Chen, Xia, Li, Wenbo, Marcus, Michael B., Rosen, Jay
Let $\{L^{x}_{t} ; (x,t)\in R^{1}\times R^{1}_{+}\}$ denote the local time of Brownian motion and \[ \alpha_{t}:=\int_{-\infty}^{\infty} (L^{x}_{t})^{2} dx . \] Let $\eta=N(0,1)$ be independent of...
Dichloridobis{6-methyl-2-[(trimethylsilyl)amino]pyridine-κN1}cobalt(II) (2009)
Xiaoyan Xue, Xia Chen, Hongbo Tong
In the structure of the title compound, [CoCl2(C9H16N2Si)2], the CoII atom is located on an inversion center in a slightly distorted tetrahedral environment formed by two chloride ions and the...
Upper tails for intersection local times of random walks in supercritical dimensions (2009)
We determine the precise asymptotics of the logarithmic upper tail probability of the total intersection local time of p independent random walks in ℤd under the assumption p(d−2) > d. Our...
Katherine E. Coons, Advisor Kathryn, S. Mckinley, Rodman Scholar, Katherine E. Coons, Xia Chen, ...
I would like to explore the compiler’s role in helping programmers create correct concurrent programs. I am particularly interested in the compiler’s interactions with other levels in the...
Limit laws for the energy of a charged polymer (2008)
In this paper we obtain the central limit theorems, moderate deviations and the laws of the iterated logarithm for the energy \[H_n=\sum_{1\le j
Chen, Xia, Liang, Shuang, Zheng, WenLing, Liao, ZhiJun, Shang, Tao, Ma, WenLi
Abstract Background Epstein-Barr virus (EBV) presumably plays an important role in the pathogenesis of nasopharyngeal carcinoma (NPC), but the molecular mechanism of EBV-dependent neoplastic...
UPPER TAILS FOR INTERSECTION LOCAL TIMES OF RANDOM WALKS IN SUPERCRITICAL DIMENSIONS (2008)
Abstract. We determine the precise asymptotics of the logarithmic upper tail probability of the total intersection local time of p independent random walks in Z d under the assumption p(d − 2)>...
Xia Chen, Honglin Hu, Shengyao Jin, Hsiao-Hwa Chen
Relay-based transmission can over the benefits in terms of coverage extension as well as throughput improvement if compared to conventional direct transmission. In a relay enhanced cellular (REC)...
(Croconato-κ2O,O′)bis(1,10-phenanthroline-κ2N,N′)manganese(II) (2008)
Hong-Feng Chen, Hong-Yu Chen, Xia Chen, Andrei S. Batsanov, Qi Fang
The title complex, [Mn(C5O5)(C12H8N2)2], lies across a crystallographic twofold axis which passes through the Mn atom and bisects the croconate ligand. The two 1,10-phenanthroline (phen) ligands are...
Xia Chen, Honglin Hu, Shengyao Jin, Hsiao-Hwa Chen
Relay-based transmission can over the benefits in terms of coverage extension as well as throughput improvement if compared to conventional direct transmission. In a relay enhanced cellular (REC)...
Information Diffusion and Asymmetric Cross-Autocorrelations in Stock Returns (2007)
Kewei Hou, Nicholas Barberis, Xia Chen
This paper investigates whether the lead-lag effect in short horizon stock returns is due to slow diffusion of common information between firms. After controlling for both portfolio autocorrelations...
We study the upper tail behaviors of the local times of the additive L\'{e}vy processes and additive random walks. The limit forms we establish are the moderate deviations and the laws of the...
Bass, Richard F; University Of Connecticut; Bass@math.uconn.edu, Chen, Xia; University Of Tennessee; Xchen@math.utk.edu, Rosen, Jay; College Of Staten Island, CUNY; Jrosen3@earthlink.net
We study moderate deviations for the renormalized self-intersection local time of planar random walks. We also prove laws of the iterated logarithm for such local times.
We study the upper tail behaviors of the local times of the additive stable processes. Let $X_1(t),...,X_p(t)$ be independent, d-dimensional symmetric stable processes with stable index $0
Moderate deviations for the range of planar random walks (2006)
Bass, Richard F., Chen, Xia, Rosen, Jay
Given a symmetric random walk in $Z^2$ with finite second moments, let $R_n$ be the range of the random walk up to time $n$. We study moderate deviations for $R_n -E R_n$ and $E R_n -R_n$. We also...
Fitness assessment of document model (2006)
Chen, Ding-Yi, Li, Xue, Dong, Zhao Yang, Chen, Xia
Document classification is a supervised machine learning process, where predefined category labels are assigned to documents based on the hypothesis derived from training set of labelled documents....
Fitness assessment of document model (2006)
Chen, Ding-Yi, Li, Xue, Dong, Zhao Yang, Chen, Xia
Document classification is a supervised machine learning process, where predefined category labels are assigned to documents based on the hypothesis derived from training set of labelled documents....
Critical Path Analysis of the TRIPS Architecture (2006)
Ramadass Nagarajan, Xia Chen, Robert G. Mcdonald, Doug Burger, Stephen W. Keckler
Fast, accurate, and effective performance analysis is essential for the design of modern processor architectures and improving application performance. Recent trends toward highly concurrent...
Critical Path Analysis of the TRIPS Architecture (2006)
Ramadass Nagarajan, Xia Chen, Robert G. Mcdonald, Doug Burger, Stephen W. Keckler
Fast, accurate, and effective performance analysis is essential for the design of modern processor architectures and improving application performance. Recent trends toward highly concurrent...
Large deviations for renormalized self-intersection local times of stable processes (2005)
Bass, Richard, Chen, Xia, Rosen, Jay
We study large deviations for the renormalized self-intersection local time of d-dimensional stable processes of index \beta \in (2d/3,d]. We find a difference between the upper and lower tail. In...
Let S_1(n),...,S_p(n) be independent symmetric random walks in Z^d. We establish moderate deviations and law of the iterated logarithm for the intersection of the ranges #{S_1[0,n]\cap... \cap...
Effectiveness of Document Representation for Classification (2005)
Dingyi CHEN, Xue Li, Zhao Dong, Xia CHEN
We proposed a novel approach to measure the effectiveness of document models by estimating the distribution of documents in the feature space. By looking through documents in this way, we can cluster...
Bass, Richard F., Chen, Xia, Rosen, Jay
Let B_n be the number of self-intersections of a symmetric random walk with finite second moments in the integer planar lattice. We obtain moderate deviation estimates for B_n - E B_n and E B_n- B_n,...
Large Deviations for Local Times of Stable Processes and Stable Random Walks in 1 Dimension (2005)
Chen, Xia; University Of Tennessee, USA; Xchen@math.utk.edu, Li, Wenbo; University Of Delaware, USA; Wli@math.udel.edu, Rosen, Jay; College Of Staten Island, CUNY, USA; Jrosen3@earthlink.net
In Chen and Li (2004), large deviations were obtained for the spatial $L^p$ norms of products of independent Brownian local times and local times of random walks with finite second moment. The...
Large deviations for renormalized self-intersection local times of stable processes (2005)
Bass, Richard, Chen, Xia, Rosen, Jay
We study large deviations for the renormalized self-intersection local time of d-dimensional stable processes of index β∈(2d/3,d]. We find a difference between the upper and lower tail. In...
Let S1(n),…,Sp(n) be independent symmetric random walks in ℤd. We establish moderate deviations and law of the iterated logarithm for the intersection of the ranges #{S1[0,n]∩⋯∩Sp[0,n]} in...
If \beta_t is renormalized self-intersection local time for planar Brownian motion, we characterize when Ee^{\gamma\beta_1} is finite or infinite in terms of the best constant of a...
Let \alpha ([0,1]^p) denote the intersection local time of p independent d-dimensional Brownian motions running up to the time 1. Under the conditions p(d-2)
Analysis of the Michaelis-Menten mechanism in an immobilised enzyme reactor (2005)
Nelson, M. I., Chen, Xia, Sexton, M.J.
We investigate the behaviour of a reaction described by Michaelis-Menten kinetics in an immobilised enzyme reactor (IER). The IER is treated as a well-stirred flow reactor, with the restriction that...
Effectiveness of Document Representation for Classification (2005)
Dingyi CHEN, Xue Li, Zhao Dong, Xia CHEN
We proposed a novel approach to measure the effectiveness of document models by estimating the distribution of documents in the feature space. By looking through documents in this way, we can cluster...
If βt is renormalized self-intersection local time for planar Brownian motion, we characterize when $\mathbb{E}e^{\gamma\beta_{1}}$ is finite or infinite in terms of the best constant of a...
Let α([0,1]p) denote the intersection local time of p independent d-dimensional Brownian motions running up to the time 1. Under the conditions p(d−2)
A new framework of privacy preserving data sharing (2004)
Xia Chen, Maria Orlowska, Xue Li
We introduce a dataset reconstruction based framework for data sharing with privacy preserving. The proposed framework uses a constraint-based inverse itemset lattice mining technique to...
Let the Gaussian process $X_m(t)$ be the $m$-fold integrated Brownian motion for positive integer $m$. The Laplace transform of the quadratic functional of $X_m(t)$ is found by using an appropriate...
Abstract. We study the large and moderate deviations for intersection local times generated by, respectively, independent Brownian local times and independent local times of symmetric random walks....
Limiting Behaviors for Brownian Motion Reflected on Brownian Motion (2002)
Suppose that g(t) and Wt are independent Brownian motions starting from g(0) = W0 = 0. Consider the Brownian motion Yt reflected on g(t), obtained from Wt by the means of the Skorohod lemma. The...
Exact Convergence Rates For The Distribution of Particles in Branching Random Walks (2001)
The exact convergence rates of the particle distributions in supercritical branching random walks and supercritical branching Wiener processes are obtained and a conjecture of Révész is confirmed.
A functional LIL for symmetric stable processes (2000)
Chen, Xia, Kuelbs, James, Li, Wenbo
A functional law of the iterated logarithm is obtained for symmetric stable processes with stationaryindependent increments.This extends the classical liminf results of Chung for Brownian motion, and...
Abstract: Let the Gaussian process Xm (t) be the m-fold integrated Brownian motion for positive integer m. The Laplace transform of the quadratic functional of Xm (t) is found by using a stochastic...
How Often Does a Harris Recurrent Markov Chain Recur? (1999)
Let ${X _n}_ {n\geq 0}$ be a Harris recurrent Markov chain with state space $(E,\mathscr{E})$, transition probability $P(x, A)$ and invariant measure $\pi$ . Given a nonnegative $\pi$-integrable...
Wireless Multiple Access Communications Using Collision Frequency Shift Keying (1998)
This report investigates the design and performance of a novel wireless multiple access scheme based on collision frequency shift keying (CFSK). The CFSK system has been shown to have a greater...
50 Gb/in² Magnetic Disk Drive System Design Project (1998)
Todd Leonhardt, Kroum Stoev, Shingo Tamaru, Xia Chen, Ming Ni
this report why likely advances in actuator and servo technology should make this a realistic commercial achievement by the target release date.
Apartic proteinase gene expression in Arabidopsis thaliana / (1997)
Thesis (M.A.)--State University of New York at Binghamton, Department of Biological Sciences, 1997.
Mori, Kiyoshi, Lee, H. Thomas, Rapoport, Dana, Drexler, Ian R., Foster, Kirk, Yang, Jun, ...
Neutrophil gelatinase–associated lipocalin (Ngal), also known as siderocalin, forms a complex with iron-binding siderophores (Ngal:siderophore:Fe). This complex converts renal progenitors into...
Mori, Kiyoshi, Lee, H. Thomas, Rapoport, Dana, Drexler, Ian R., Foster, Kirk, Yang, Jun, ...
Neutrophil gelatinase–associated lipocalin (Ngal), also known as siderocalin, forms a complex with iron-binding siderophores (Ngal:siderophore:Fe). This complex converts renal progenitors into...
Five novel mutations of the FRMD7 gene in Chinese families with X-linked infantile nystagmus
Li, Ningdong, Wang, Liming, Cui, Lihong, Zhang, Li, Dai, Suzhen, Li, Hongyan, ...
Do Family Firms Provide More or Less Voluntary Disclosure?
SHUPING CHEN, XIA CHEN, QIANG CHENG
ABSTRACTWe examine the voluntary disclosure practices of family firms. We find that, compared to nonfamily firms, family firms provide fewer earnings forecasts and conference calls, but more earnings...
Empirical likelihood inference for partial linear models under martingale difference sequence
We consider the application of the empirical likelihood method to a partially linear model with martingale difference error. It is shown that the empirical log-likelihood ratio at the true parameter...
Chung's law for additive functionals of positive recurrent Markov chains
A lim inf law of the iterated logarithm is obtained for additive functionals of positive recurrent Markov chains under some minimum conditions.
Moderate deviations for m-dependent random variables with Banach space values
A theorem on the moderate deviations for m-dependent random vectors is established in this paper.
Chen, Xia, Sun, Chang-Kai, Han, Guo-Zhu, Peng, Jin-Yong, Li, Ying, Liu, Yan-Xia, ...
AIM: To investigate the hepatoprotective activity of tea polyphenols (TP) and its relation with cytochrome P450 (CYP450) expression in mice.