It will soon be the Christmas here in U.S, and now it’s late afternoon in uc village, with my foretooth aching underneath. But still I should feeling comfortable from my situation, since my wife, my mother and my son are all here surrounding me and supporting me to do my career.

Just a simple note here, there come some useful tools to analysis the trends of research hot fields in which hotspot could be distinguished and estimated by grouping and statistics.

Group photo after seminar