funded by the National Natural Science Foundation of China,No.31571236,31571235(to YHK,PXZ);National Key Research and Development Program of China,No.2016YFC1101604(to DYZ);National Key Basic Research Program of China(973 Program),No.2014CB542200(to BGJ);Ministry of Education Innovation Program of China,No.IRT_16R01(to BGJ);Beijing Science and Technology New Star Cross Program of China,No.2018019(to PXZ);Peking University People’s Hospital Research and Development Funds,No.RDH2017-01(to HLX)
Our previous studies have confirmed that during nerve transposition repair to injured peripheral nerves, the regenerated nerve fibers of motor neurons in the anterior horn of the spinal cord can effectively repair dis...
supported by National Basic Research Program of China(973 Program)(Grant No.2010CB732501);National Natural Science Foundation of China(Grant No.11071268);China Scholarship Council Scientific Research Common Program of Beijing Municipal Commission of Education(Grant No.KM201210005033)
We study the generalizedk-median version of the warehouse-retailer network design problem(kWRND).We formulate the k-WRND as a binary integer program and propose a 6-approximation randomized algorithm based on Lagrangi...