Curriculum Vitae Zhuangyi Liu Department of Mathematics and Statistics University of Minnesota at Duluth Duluth, MN 55812 Email: [email protected] Office Phone: (218) 726-7179 I. Education 1989 Ph.D, Mathematics, Virginia Polytechnic Institute and State University. 1986 M.S., Mathematics, Virginia Polytechnic Institute and State University. 1982 B.S., Mathematics, Fudan University, Shanghai, China. II. Professional Experience 2012- Member of Advisory Board, China Center of the University of Minnesota 2016.9-12 Associate Head, Department of Mathematics and Statistics, University of Minnesota at Duluth 2009-2016 Head, Department of Mathematics and Statistics, University of Minnesota at Duluth 2009- Coordinator of University of Minnesota Duluth{Beijing High Education Teacher's Training Center Visiting Program. 2007-2012 Faculty leader of the Chinese Language and Culture program of the University of Minnesota Duluth at the Ocean University of China. 2005-present: Guest Professor, Beijing Institute of Technology, China. 2003-present: Visiting Professor, Ninbo Institute of Technology, Zhejiang University, China. 2000-present: Professor of Mathematics, University of Minnesota at Duluth. 1995-2000: Associate Professor of Mathematics, University of Minnesota at Duluth. 1989-1995: Assistant Professor of Mathematics , University of Minnesota at Duluth. 1984-1989: Teaching-Research Assistant, Department of Mathematics, Virginia Polytechnic In- stitute and State University. 1982-1984: Research Assistant, Shanghai Hydraulic and Pneumatic Technic Institute, Shanghai, China. III. Research Interest Optimal Control, Parameter Identification, Numerical Approximation, Functional and Partial Defferential Equations, Operations Research. 1 IV. Publications Books 1. Solution Manual/Linear Programming and Network Flows, (with Joanna M. Leleno) 1990, John Wiley & Sons Inc. 2. Semigroup Properties Associated with Dissipative Systems, (with S. Zheng) Chapman & Hall/CRC Research notes in Mathematics, 1999. Journal Papers 1. Approximation of Thermoelastic and Viscoelastic Control Systems (with J.A. Burns and R.E. Miller), Journal of Numerical Functional Analysis and Optimization, Vol. 12, No. 1& 2 (1991), pp. 79-136. 2. Exponential Stability of Semigroup Associated with Thermoelastic System, (with S. Zheng), Quarterly of Applied Mathematics, Vol. LI, No. 3 (1993), pp. 535-545. 3. On the Energy Decay of a Linear Thermoelastic Bar, (with J.A. Burns and S. Zheng), Journal of Mathematical Analysis and Applications, Vol. 179, No. 2 (1993), pp. 574-591. 4. Uniform Exponential Stability and Approximation in Control of Thermoelastic System, (with S. Zheng), SIAM J. on Control and Optimization, Vol. 32, No. 5 (1994), pp. 1226-1246. 5. A Note on the Equation of a Thermoelastic Plate, (with M. Renardy), Appl. Math. Letters, Vol. 8, No. 3 (1995), pp. 1-6. 6. Exponential Energy Decay of the Euler-Bernoulli Beam with Shear/thermal Diffusion, (with S. Zheng), Journal of Mathematical Analysis ans Applications, Vol. 196(1995), pp. 467-478. 7. On the Type of C0-Semigroup Associated with the Abstract Linear Viscoelastic System, (with K. Liu), Z. agnew Math. Phys., 47 (1996), pp. 1-15. 8. Exponential Energy Decay in Linear Viscoelasticity and Thermoviscoelasticity, (with S. Zheng), Quarterly of Applied Mathematics, Vol. LIV, No. 1(1996), pp. 21-31. 9. Exponential Stability and Analyticity of the abstract thermoelastic evolution equation, (with K. Liu), Z. agnew Math. Phys., 48, (1997), pp. 885-904. 10. Exponential Stability of the Kirchhoff Plate with Thermal or Viscoelastic Damping, (with S. Zheng), Quarterly of Applied Mathematics, Vol. LV, No. 3(1997), pp. 551-564. 11. Analyticity and differentiability of semigroups associated with elastic systems with damp- ing and gyroscopic forces, (with K. Liu), Journal of Differential Equations, Vol 141, No.2(1997), pp. 340-355. 12. Uniformly Exponential stable Approximations of Linear Viscoelasticity, (with S. Zheng), Journal of Mathematical Systems, Estimation, and Control, Vol. 8, No.2 (1998), pp. 177-180 (summary, electronic version, 17 pages). 13. On the Energy Decay of Timoshenko Beam with Thermal/Viscoelastic damping, (with Chang Peng), Advances in Mathematical Sciences and Applications,Tokyo, Vol. 8, No. 1(1998), pp. 373-381. 2 14. Exponential decay of energy of the Euler-Bernoulli beam with locally distributed Kelvin- Voigt damping, (with K. Liu), SIAM J. Control and Optimization, Vol. 36. No.3 (1998), pp. 1086-1098. 15. Qualitative properties of certain C0 semigroups arising in elastic systems with various dampings, (with J. Yong), Advances in Differential Equations, Vol. 3, No.5(1998), pp. 643-686. 16. Modeling and Analysis of a Laminated Beam, (with S.A. Trogdon and J. Yong), Math- ematical and Computer Modeling, Vol.30, 1/2(1999), pp.149-167. 17. Spectrum and stability for the elastic systems with global/local Kelvin-Voigt damping, (with S. Chen and K. Liu), SIAM J. Applied Mathematics, Vol. 59, No.2 (1999), pp. 651-668. 18. Boundary stabilization of a nonhomogeneous hybrid systems (with B. Rao), Pan Ameri- can Math., 10(2000), No. 1, pp. 55-73. 19. Boundary stabilization of a nonhomogeneous beam with rotatory inertia at the tip, (with K. Liu), Comp. Appl. Math., 114(2000), pp. 1-10. 20. On an abstract linear elastic system with indefinite damping, (with K. Liu and B. Rao), ESAIM: Proceedings, Vol.8(2000), pp 107-117. 21. Exponential stability of an abstract non-dissipative linear system, (with K. Liu and B. Rao), SIAM J. Control and Optimization, Vol. 40(2001), No. 1, pp. 149-165. 22. Exponential decay of energy of vibrating strings with local viscoelasticity, (with K. Liu), Journal of Appl. Math. Phys. (ZAMP), 53(2002), pp. 265-280. 23. Decay rates for a beam with pointwise force and moment feedback, (with K Ammari and M. Tucsnak), Mathematics of Control, Signals, and Systems, 15(2002), No. 3, pp. 229-255. 24. Boundary stabilization of nonhomogeneous beam by frequency domain multiplier method, (with K. Liu), Journal of Computational and Applied Mathematics, 21(2002), No. 1, pp. 299-313. 25. Exponential Decay of Energy of Euler-Bernoulli Beam with Local Viscoelasticity, (with H. Zhao and K. Liu), J. Elasticity, 74(2004), 175-183. 26. Model Structure and Boundary Stabilization of an Axially Moving Elastic Tape (with D. Russell), Control Theory of Partial Differential Equations, Lecture Notes in Pure and Applied Mathematics, Vol 242(2005), Chapman & Hall/CRC, pp.183-194. 27. Frequecy Domain Characterization of Rational Decay Rate for Solution of Linear Evo- lution Equations, (with B. Rao), ZAMP, Vol 56, No. 4(2005), pp. 630-644. 28. Frequency Domain Approach for the Polynomial Stability of Partially Damped Wave Equations, (with B. Rao), JMAA 335 (2007), pp. 860-881. 29. Minimum Angular-Impulse Control for a Large Flexible Spacecraft, (with E.M. Cliff, T. Herdman), J. of Guidance, Control, and Dynamics, Vol 30, No 1, Jan-Feb 2007, pp. 87-99. 30. Polynomial Stability of a Joint-Leg-Beam System with Local Damping, (with J. Burns, E. Cliff and R. Spies), MCM 46 (2007), pp. 1236-1246. 31. On Coupled Transversal and Axial Motions of Two Beams with a Joint, (with J.A. Burns, E.M. Cliff and R.D. Spies), JMAA 339 (2008), pp. 182-196. 3 32. A model for the thermoelastic behavior of a joint-leg-beam system for space applications, (with E. Cliff and R. Spies), Rev. Un. Mat. Argentina 49 (2009), No. 1, pp. 55-66. 33. Energy Decay Rate of the Thermoelastic Bresse System, (with B. Rao), ZAMP, 60 (2009), pp. 54-69. 34. Wellposedness and Exponential Stability of a Thermoelastic Joint-Leg-Beam System with Robin Boundary Condition, (with E. Cliff, B. Fulton, T. Herdman, and R. Spies), MCM 49 (2009) pp. 1097-1108. 35. Spectral Approach to the Indirect Boundary Control of a System of Wave Equations (with B. Rao), DCDS, Volume 23, No. 1-2 (2009), pp. 399-414. 36. Approximation of a Joint-Leg-Beam System, (with J.A. Burns, E.M. Cliff, and R. Spies), Computational Mechanics, submitted, 2008. 37. Surface Heating and Three-dimensional Motion of a Thermoelastic Beam, (with S. Trog- don), MCM 51 (2010), pp. 1051-1063. 38. Analyticity of solutions in type III thermoelastic plates, (with R. Quintanilla), IMA J. Applied Math. (2010) 75, pp. 637-646. 39. Energy decay rate of mixed type II and type III thermoelastic system, (with R. Quin- tanilla), DCDS-B, 14 (2010), no. 4, pp. 1433-1444. 40. Stability of an abstract system of coupled hyperbolic and parabolic equations, (with J. Hao), ZAMP, 64, No.4 (2013), pp. 1145-1159. 41. Stabilization of a joint-leg-beam system by boundary damping, (with Q. Zhang), JMAA, 420 (2014) no. 2, pp. 1455-1467. 42. A Note on the Polynomial Stability of a Weakly Damping Elastic Abstract System, (with Q. Zhang), ZAMP, 66, No.4 (2015), pp. 1799-1804. 43. Regularity of an abstract system of coupled hyperbolic and parabolic equations, (with J. Hao and J. Yong), JDE, 259 (2015), no. 9, 4763-4798. 44. On the time decay of solutions for non-simple elasticity with voids, (with A. Maga~na and R. Quintanilla), ZAMM, Volume 96, No. 7 (2016), pp. 857-873. 45. Stability of a string with local Kelvin-Voigt damping and nonsmooth coefficient at inter- face, (with Q. Zhang), SIAM J. Control Optim, Vol. 54, No. 4 (2016), pp. 1859-1871. 46. Eventual differentiability of wave equation with local Kelvin-Voigt damping, (with K. Liu and Q. Zhang), ESAIM COCV, Volume 23, No. 2 (2017), 443-454. 47. On the Time Decay for the Phase-lag Heat Equation with Spatial Dependent Lags, (with R. Quintanilla, Y. Wang), JMAA, 455 (2017), No. 1, 422-438. 48. Time Decay in Dual-phase-lag Thermoelasticity: Critical Case, (with R. Quintanilla), Comm. Pure Appl. Analysis, Vol. 17, No. 1 (2018), 177-190. 49. Stability and Regularity of Solution to the Timoshenko Beam Equation with Local Kelvin- Voigt Damping, (with Q. Zhang), SIAM J. Control Optim, Vol. 56, No. 6 (2018), 3919-3947. 50.