ZhejiangU (1984)

NankaiU (1985)

New York (1987)

Yale Time (1989)

Howe with students (1997)

With colleagues (1998)

With NUS colleagues (1998)

Vogan and me (2000)

UniAward (2002)

Xinjiang (2004)

Vergne and me (2004)

OasisTurfan (2004)

HoweConf (2006)

Howe and me (2006)

HangZhou (2007)

NilpotentOrbits (2009)

Beijing (2011)

BranchingLaws-IMS (2012)

Paris 1 (2013)

Paris 2 (2013)

AsianMathConf-Pusan (2013)

YaleClassmates (2014)

Ngo and me (2015)

HoweConf (2015)

Yogjakata (2015)

NewDevRep-IMS (2016)

Hanoi (2016)

Ha Long Bay (2016)

EastCoast (2017)

ZhejiangU120 (2017)

Excursion (2017)

ColloqPoster (2018)

SerreVisiting (2018)

LieTheorists in NUS (2019)

90thDeptAnn (2019)

Singapore River (2019)

HKUST-KAIST-NUS (2019)