TY - CHAP A1 - Zheng, Xizhong A1 - Rettinger, Robert A1 - Braunmühl, Burchard von T1 - On the effective Jordan decomposability Y1 - 2003 ER - TY - CHAP A1 - Rettinger, Robert A1 - Zheng, Xizhong A1 - Gengler, Romain A1 - Braunmühl, Burchard von T1 - Weakly computable real numbers and total computable real functions Y1 - 2001 ER - TY - JOUR A1 - Zheng, Xizhong A1 - Rettinger, Robert A1 - Barmpalias, George T1 - h-Monotonically computable real numbers JF - Mathematical Logic Quarterly Y1 - 2005 SN - 0942-5616 VL - 51 IS - 2 SP - 157 EP - 170 ER - TY - GEN A1 - Zheng, Xizhong A1 - Rettinger, Robert T1 - Weak computability and representation of real numbers T2 - Mathematical Logic Quarterly Y1 - 2004 SN - 0942-5616 VL - 50 IS - 4/5 SP - 431 EP - 442 ER - TY - GEN A1 - Rettinger, Robert A1 - Zheng, Xizhong T1 - On the hierarchy and extension of monotonically computable real numbers T2 - Journal of Complexity Y1 - 2003 SN - 0885-064X VL - 19 IS - 5 SP - 672 EP - 691 ER - TY - GEN A1 - Zheng, Xizhong T1 - On the Turing degrees of weakly computable real numbers T2 - Journal of Logic and Computation Y1 - 2003 SN - 0955-792X VL - 13 IS - 2 SP - 159 EP - 172 ER - TY - GEN A1 - Ambos-Spies, Klaus A1 - Weihrauch, Klaus A1 - Zheng, Xizhong T1 - Weakly computable real numbers T2 - Journal of Complexity Y1 - 2000 SN - 0885-064X VL - 16 IS - 4 SP - 676 EP - 690 ER - TY - GEN A1 - Weihrauch, Klaus A1 - Zheng, Xizhong T1 - Computability on Continuous, Lower Semi-Continuous and Upper Semi-Continuous Real Functions T2 - Theoretical Computer Science Y1 - 2000 VL - 234 IS - 1-2 SP - 109 EP - 133 ER - TY - JOUR A1 - Zheng, Xizhong T1 - Closure properties of real numbers classes under CBV functions Y1 - 2005 ER - TY - JOUR A1 - Zheng, Xizhong T1 - Divergence bounded computable real numbers Y1 - 2006 ER - TY - CHAP A1 - Rettinger, Robert A1 - Zheng, Xizhong ED - Wang, Lusheng T1 - Solovay reducibility on d-c.e. real numbers T2 - Computing and combinatorics, 11th annual international conference, COCOON 2005, Kunming, China, August 16 - 29, 2005 Y1 - 2005 SN - 978-3-540-28061-3 SP - 359 EP - 368 PB - Springer CY - Berlin [u.a.] ER - TY - GEN A1 - Rettinger, Robert A1 - Zheng, Xizhong T1 - A hierarchy of Turing degrees of divergence bounded computable real numbers T2 - Journal of Complexity Y1 - 2006 VL - 22 IS - 6 SP - 818 EP - 826 ER - TY - JOUR A1 - Chen, Q. A1 - Su, K. A1 - Zheng, Xizhong T1 - Primitive Recursive Real Numbers Y1 - 2007 ER - TY - JOUR A1 - Chen, Q. A1 - Rettinger, Robert A1 - Su, K. A1 - Sattar, A. A1 - Yue, W. A1 - Lu, G. A1 - Zheng, Xizhong T1 - Verification of Authentication Protocols for Epistemic Goals via SAT Compilation Y1 - 2006 ER - TY - JOUR A1 - Chen, Q. A1 - Su, K. A1 - Yue, W. A1 - Zheng, Xizhong T1 - Instantiation Space: A New Model for Security Protocol Logic Y1 - 2006 ER - TY - GEN A1 - Zheng, Xizhong T1 - Classification of the Computable Approximations T2 - Electronic Notes in Theoretical Computer Science Y1 - 2007 SN - 1571-0661 VL - 167 SP - 325 EP - 344 ER - TY - GEN A1 - Chen, Qingliang A1 - Su, Kaile A1 - Zheng, Xizhong T1 - Primitive Recursiveness of Real Numbers under Different Representations T2 - Electronic Notes in Theoretical Computer Science Y1 - 2007 SN - 1571-0661 VL - 167 SP - 303 EP - 324 ER - TY - CHAP A1 - Su, Kaile A1 - Chen, Qingliang A1 - Zheng, Xizhong A1 - Yue, Weiya T1 - Reasoning about Knowledge by SAT Solving T2 - International Conference on Computational Intelligence and Security, CIS 2006, 3 - 6 Nov. 2006, Guangzhou, China Y1 - 2006 SN - 1-4244-0604-8 SN - 1-4244-0605-6 SP - 536 EP - 539 PB - IEEE Press CY - Piscataway, NJ ER - TY - CHAP A1 - Zheng, Xizhong T1 - A Computability Theory of Real Numbers T2 - Logical approaches to computational barriers, second Conference on Computability in Europe, CiE 2006, Swansea, UK, June 30 - July 5, 2006, proceedings Y1 - 2006 SN - 3-540-35466-2 SP - 584 EP - 594 PB - Springer CY - Berlin [u.a.] ER - TY - JOUR A1 - Zheng, Xizhong T1 - On the Hierarchies of Delta 0_2 real Numbers Y1 - 2007 ER - TY - JOUR A1 - Downey, Rod A1 - Wu, D. A1 - Zheng, Xizhong T1 - Degrees of d.c.e. Reals Y1 - 2004 ER -