• Observational evidence for finding black holes (including `seed' SMBHs, IMBHs, ...); 


• Coevolution of massive black holes and galaxies (including major/minor mergers, triggering and accretion processes in galactic nuclei, dynamically/structurally secular evolution, ...);  


• The dark matter problem.

• Ph.D. in Astronomy, 2005, Univ. of Sci. & Tech. of China
• M.Eng. in Microelectronics, 2002, Univ. of Sci. & Tech. of China
• B.S. in Physics, 1999, Univ. of Sci. & Tech. of China

2008.1 -- 2013.4, University of Science and Technology of China, associate professor

2013.5 -- present, Yunnan Observatories, CAS, professor

See http://sourcedb.ynao.cas.cn/zjrck_en/201310/t20131023_3961712.html 

Part of the refereed papers in the past five years:

1. Wen-Juan Liu, Lei Qian, Xiao-Bo Dong, et al. 2016, submitted to ApJ, A Ringed Dwarf LINER 1 Galaxy Hosting an Intermediate-mass Black Hole with Large-scale Rotation- like Halpha Emission  

2. Pan, Hai-Wu; Yuan, Weimin; Zhou, Xin-Lin; Dong, Xiao-Bo; Liu, Bifang 2015, ApJ, 808, 163, On the Black Hole Mass—X-Ray Excess Variance Scaling Relation for Active Galactic Nuclei in the Low-mass Regime  

3. Yuan, W.; Zhou, H.; Dou, L.; Dong, X.-B.; Fan, X.; Wang, T.-G. 2014, ApJ, 782, 55, Chandra and MMT Observations of Low-mass Black Hole Active Galactic Nuclei Accreting at Low Rates in Dwarf Galaxies  

4. Jiang, Ning; Ho, Luis C.; Dong, Xiao-Bo; Yang, Huan; Wang, Junxian 2013, ApJ, 770, 3, UM 625 Revisited: Multiwavelength Study of A Seyfert 1 Galaxy with a Low-mass Black Hole  

5. Ho, Luis C.; Goldoni, Paolo; Dong, Xiao-Bo; Greene, Jenny E.; Ponti, Gabriele 2012, ApJ, 754, 11, Simultaneous Ultraviolet and Optical Emission-line Profiles of Quasars: Implications for Black Hole Mass Determination  

6. Dong, Xiao-Bo; Ho, Luis C.; Yuan, Weimin; et al. 2012, ApJ, 755, 167, A Uniformly Selected Sample of Low-mass Black Holes in Seyfert 1 Galaxies 

Intermediate-mass black holes at the centers of galaxies.

Galaxies and quasars.

The dark matter problem on galactic scales, and modified gravity theories (e.g., MOND).

See http://users.ynao.ac.cn/~xbdong for more information.