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- CAISHENG JI, BAOQIANG YAN
- 2010

In this article, we study the existence and uniqueness of the positive solution for a second-order singular three-point boundary-value problem with sign-changing nonlinearities. Our main tool is a fixed-point theorem.

- Baoqiang Yan, Yansheng Liu
- Applied Mathematics and Computation
- 2004

Shanping Qiao*, Baoqiang Yan School of Management Science and Engineering, Shandong Normal University Shandong Provincial Key Laboratory of Network Based Intelligent Computing, School of Information Science and Engineering, University of Jinan, No. 336, West Road of Nan Xinzhuang, Jinan 250022, China, Ph.: +86-53189736503 School of Mathematical Science,… (More)

- Baoqiang Yan, Philip J. Rhodes
- 2006 IEEE International Conference on Cluster…
- 2006

Disk and network latency must be taken into account when applying parallel computing to large multidimensional datasets because they can hinder performance by reducing the rate at which data can be fed to the compute nodes. Existing methods aggregate some number of data requests from cluster nodes to improve overall performance by reducing the number of… (More)

- Baoqiang Yan, Philip J. Rhodes
- HPDC
- 2008

High performance parallel computing infrastructures, such as computing clusters, have recently become freely available for scientific researchers to solve problems of unprecedented scale through data parallelization. However scientists are not necessarily skilled in writing efficient parallel code, especially when dealing with spatial datasets. Two… (More)

- Philip J. Rhodes, Baoqiang Yan
- Eurographics
- 2009

- Baoqiang Yan, Philip J. Rhodes
- 2011 International Conference on Parallel…
- 2011

We describe IDEA, an API designed specifically for the parallel processing of large spatial datasets on a cluster. Because such datasets present special challenges for efficient I/O and communication, it is especially valuable to provide an API that frees the user from the burden of partitioning the data among the processors. IDEA allows the user to address… (More)

- Baoqiang Yan, Donal O'Regan, Ravi P. Agarwal
- Mathematical and Computer Modelling
- 2007

- Fengfei Jin, Baoqiang Yan
- 2008

Recommended by Raul Manasevich Positive solutions to the singular initial-boundary value problems x −ft, x t , 0 < t < 1, x 0 0, x1 0, are obtained by applying the Schauder fixed-point theorem, where x t u xt u 0 ≤ t ≤ 1 on −r, 0 and f·, · : 0, 1 × C \{0}→R C {x ∈ C−r, 0, R, xt ≥ 0, ∀t ∈ −r, 0} may be singular at ϕu 0 −r ≤ u ≤ 0 and t 0. As an application,… (More)

- YUN CHEN, BAOQIANG YAN, LILI ZHANG
- 2007

Using a fixed point theorem in cones, this paper shows the existence of positive solutions for the singular three-point boundary-value problem x (t) + a(t)f (t, x(t), x (t)) = 0, 0 < t < 1, x (0) = 0, x(1) = αx(η), where 0 < α < 1, 0 < η < 1, and f may change sign and may be singular at x = 0 and x = 0.