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*Ann. Probab.***30**(2002), 1313-1339. (with R. Song)

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*Ann. Inst. Henri Poincare Probab. Statist.***41**(2005), 197-235. (with R. Bass and K. Burdzy)

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*Ann. Probab.***32**(2004), 2067-2098. (Joint with P.J. Fitzsimmons, M. Takeda, J. Ying and T.-S. Zhang)

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- Boundary trace of reflecting Brownian motions.

*Probab. Theory Relat. Fields*,**129**(2004), 1-17. (with I. Benjamini and S. Rohde)

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*Probab. Theory Relat. Fields*,**134**(2006), 175-214. (with R. Bass)

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*Sankhya***67**(2005), 19-45. (with R. Bass)

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*J. Funct. Anal.***226**(2005), 90-113. (with R. Song)

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*Ann. Probab.***34**(2006), 1052-1102. (with M. Fukushima and J. Ying)

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*Math. Z.***252**(2006), 71-89. (with R. Song)

- Synchronous couplings of reflected Brownian motions in smooth domains.

*Ill. J. Math.***50**(2006) (Special volume in memory of Joseph Doob), 189-268. (with K. Burdzy and P. Jones)

- Entrance law, exit system and Levy system of time-changed processes.

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- Shy couplings.

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- Extending Markov processes in weak duality by Poisson point processes of excursions.

*Proceedings of the Abel Symposium 2005*, Stochastic Analysis and Applications-A Symposium in Honor of Kiyosi Ito.

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- Perturbation of symmetric Markov processes.

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*Stochastic Process Appl.***121**(2011), 1148-1172. (with P. Kim and R. Song)

- Dirichlet heat kernel estimates for Δ
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*Ill. J. Math.***54**(2010) (Special issue in honor of D. Burkholder), 1357-1392. (with P. Kim and R. Song)

- An L
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*Sci. in China, Series A***55**(2012) (Special issue on Probability), 2233-2246. (with K.-H. Kim)

- Sharp Green function estimates for Δ + Δ
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*Ill. J. Math.***54**(2010) (Special issue in honor of D. Burkholder), 981-1024. (with P. Kim, R. Song and Z. Vondracek)

- On subhamonicity for symmetric Markov processes.

*J. Math. Soc. Japan*,**64**(2012), 1181-1209. (with K. Kuwae)

- Archimedes' principle for Brownian liquid.

*Ann. Appl. Probab.***21**(2011), 2053-2074. (with K. Burdzy and S. Pal)

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*J. London Math. Soc.***84**(2011), 58-80. (with P. Kim and R. Song)

- Global heat kernel estimates for symmetric jump processes.

*Trans. Amer. Math. Soc.***363**(2011), 5021-5055. (with P. Kim and T. Kumagai)

- An L
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*Forum Math.***26**(2014), 1381-1411. (with K.-H. Kim)

- Discrete approximation of symmetric jump processes on metric measure spaces.

*Probab. Theory Relat. Fields***155**(2013), 703-749. (with P. Kim and T. Kumagai)

- Global heat kernel estimate for relativistic stable processes in half-space-like open sets.

*Potential Analysis.***36**(2012), 235-261. (with P. Kim and R. Song)

- Dirichlet heat kernel estimates for fractional Laplacian under gradient perturbation.

*Ann. Probab.***40**(2012), 2483-2538. (with P. Kim and R. Song)

- Brownian earthworm.

*Ann. Probab.***41**(2013), 4002-4049. (with K. Burdzy and S. Pal)

- A localization formula in Dirichlet form theory.

*Proc. Amer. Math. Soc.***140**(2012), 1815-1822. (with M. Fukushima)

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*Eletronic J. Probab.***17**(2012), Paper 32, 1-31. (with P. Kim and R. Song)

- Uniform integrability of exponential martingales and spectral bounds of non-local Feynman-Kac semigroups.

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- Reflecting random walk in fractal domains.

*Ann. Probab.***41**(2013), 2401-3050. (with K. Burdzy)

- L
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- Space-time fractional diffusion on bounded domains.

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- Global heat kernel estimate for relativistic stable processes in exterior open sets.

*J. Funct. Anal.***263**(2012), 448-475. (with P. Kim and R. Song)

- Stability of Dirichlet heat kernel estimates for non-local operators under Feynman-Kac perturbation.

*Trans. Amer. Math. Soc.***367**(2015), 5237-5270. (with P. Kim and R. Song)

- A probabilistic approach to mixed boundary value problems for elliptic operators with singular coefficients.

*Proc. Amer. Math. Soc.***142**(2014), 2135-2149. (with T. Zhang)

- Perturbation by non-local operators.

Preprint 2012. (with Jieming Wang)

- Chordal Komatu-Loewner equation and Brownian motion with darning in multiply connected domains.

To appear in*Trans. Amer. Math. Soc.*(with M. Fukushima and S. Rohde)

- Dirichlet heat kernel estimates for rotationally symmetric Lévy processes.

*Proc. London Math. Soc.***109**(2014), 90-120. (with P. Kim and R. Song)

- Dirichlet heat kernel estimates for subordinate Brownian motions with Gaussian components.

To appear in*J. Reine Angew. Math.*. (with P. Kim and R. Song)

- Uniqueness of stable processes with drifts.

To appear in*Proc. Amer. Math. Soc.*(with L. Wang)

- Quenched invariance principles for random walks and elliptic diffusions in random media with boundary.

*Ann. Probab.***43**(2015), 1594-1642. (with D.A. Croydon and T. Kumagai)

- On uniform positivity of transition densities of small noise constrained diffusions.

*Electron. Commun. Probab.***19**(2014), no. 1, p.1-9. (with A. Budhiraja)

- Heat kernels and analyticity of non-symmetric jump diffusion semigroups.

To appear in*Probab. Theory Relat. Fields*. (with X. Zhang)

- One-dimensional heat equation with discontinuous conductance.

*Sci. China Math.***58**(2015), 97-108. (with M. Zili)

- Ergodicity for time changed symmetric stable processes.

*Stochastic Process Appl.***124**(2014), 2799-2823. (with Jian Wang)

- Hydrodynamic limits and propagation of chaos for interacting random walks in domains.

Preprint 2014. (with W.-T. Fan)

- Systems of interacting diffusions with partial annihilation through membranes.

To appear in*Ann. Probab.*(with W.-T. Fan)

- Fractional time stochastic partial differential equations.

*Stochastic Process Appl.***125**(2015), 1470-1499. (with K.-H. Kim and P. Kim)

- One-point reflection.

*Stochastic Process Appl.***125**(2015), 1368-1393. (with M. Fukushima)

- Functional central limit theorem for Brownian particles in domains with Robin boundary condition.

Preprint 2014 (with W.-T. Fan)

- Scaling limits of interacting diffusions in domains.

*Front. Math. China***9**(2014), 717-736. (with W.-T. Fan)

- Stochastic Komatu-Loewner evolutions and BMD domain constant.

Preprint 2014. (with M. Fukushima)

- Fluctuation limit for interacting diffusions with partial annihilations through membranes.

Preprint 2014. (with W.-T. Fan)

- Heat kernel estimates for Δ + Δ
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*Stochastic Processes Appl.***125**(2015), 2603-2642. (with E. Hu)

- Hölder estimates for nonlocal-diffusion equations with drifts.

*Commun. Math. Stat.***2**(2014), 331-348. (with X. Zhang)

- Global Dirichlet heat kernel estimates for symmetric Lévy processes in half-space.

Preprint 2014. (with P. Kim)

- Drift perturbation of subordinate Brownian motions with Gaussian component.

To appear in*Sci. China Math.*(with X. Dou)

- Boundary Harnack principle and gradient estimates for fractional Laplacian perturbed by non-local operators.

Preprint 2015. (with Y.-X. Ren and T. Yang)

- Stochastic flows for Lévy processes with Hölder drifts.

Preprint 2015. (with R. Song and X. Zhang)

- Strong law of large numbers for supercritical superprocesses under second moment condition.

To appear in*Front. Math. China*(with Y. Ren, R. Song and R. Zhang)