C. Greg Plaxton Mitul Tiwari Praveen Yalagandula 1-10 2007 conf/ipps/2007 IPDPS https://doi.org/10.1109/IPDPS.2007.370280 https://doi.ieeecomputersociety.org/10.1109/IPDPS.2007.370280 db/conf/ipps/ipdps2007.html#PlaxtonTY07