@inproceedings{RettingerGenglerZhengetal., author = {Rettinger, Robert and Gengler, Romain and Zheng, Xizhong and Braunm{\"u}hl, Burchard von}, title = {Monotonically Computable Real Numbers}, series = {Combinatorics, computability and logic, proceedings of the Third International Conference on Combinatorics, Computability and Logic, (DMTCS '01)}, booktitle = {Combinatorics, computability and logic, proceedings of the Third International Conference on Combinatorics, Computability and Logic, (DMTCS '01)}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {1-85233-526-2}, pages = {187 -- 202}, language = {en} } @inproceedings{RettingerZheng, author = {Rettinger, Robert and Zheng, Xizhong}, title = {Hierarchy of monotonically computable real numbers}, series = {Mathematical foundations of computer science 2001, 26th international symposium, Mari{\´a}nsk{\´e} L{\´a}zně, Czech Republic, August 27 - 31, 2001}, booktitle = {Mathematical foundations of computer science 2001, 26th international symposium, Mari{\´a}nsk{\´e} L{\´a}zně, Czech Republic, August 27 - 31, 2001}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-42496-2}, pages = {633 -- 644}, language = {en} } @inproceedings{RettingerZheng, author = {Rettinger, Robert and Zheng, Xizhong}, title = {On the Turing degrees of divergence bounded computable reals}, series = {New computational paradigms, First Conference on Computability in Europe, CiE 2005, Amsterdam, The Netherlands, June 8 - 12, 2005}, booktitle = {New computational paradigms, First Conference on Computability in Europe, CiE 2005, Amsterdam, The Netherlands, June 8 - 12, 2005}, editor = {Cooper, Stuart Barry}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-26179-6}, pages = {418 -- 428}, language = {en} } @inproceedings{Zheng, author = {Zheng, Xizhong}, title = {On the hierarchy of Delta_02-numbers}, language = {en} } @inproceedings{ZhengRettinger, author = {Zheng, Xizhong and Rettinger, Robert}, title = {A note on the Turing degrees of divergence bounded computable reals}, language = {en} } @inproceedings{ZhengRettingerGengler, author = {Zheng, Xizhong and Rettinger, Robert and Gengler, Romain}, title = {Ershov's hierarchy of real numbers}, series = {Mathematical foundations of computer science 2003, 28th international symposium MFCS, Bratislava, Slovakia, August 25 - 29, 2003}, booktitle = {Mathematical foundations of computer science 2003, 28th international symposium MFCS, Bratislava, Slovakia, August 25 - 29, 2003}, editor = {Rovan, Branislav}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-40671-9}, pages = {681 -- 690}, language = {en} } @inproceedings{Zheng, author = {Zheng, Xizhong}, title = {On the divergence bounded computable real numbers}, language = {en} } @inproceedings{ZhengBarmpalias, author = {Zheng, Xizhong and Barmpalias, George}, title = {On the monotonic computability of semi-computable real numbers}, language = {en} } @inproceedings{ZhengRettingerBraunmuehl, author = {Zheng, Xizhong and Rettinger, Robert and Braunm{\"u}hl, Burchard von}, title = {On the effective Jordan decomposability}, language = {en} } @inproceedings{RettingerZheng, author = {Rettinger, Robert and Zheng, Xizhong}, title = {Solovay reducibility on d-c.e. real numbers}, series = {Computing and combinatorics, 11th annual international conference, COCOON 2005, Kunming, China, August 16 - 29, 2005}, booktitle = {Computing and combinatorics, 11th annual international conference, COCOON 2005, Kunming, China, August 16 - 29, 2005}, editor = {Wang, Lusheng}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {978-3-540-28061-3}, pages = {359 -- 368}, language = {en} } @misc{RettingerZheng, author = {Rettinger, Robert and Zheng, Xizhong}, title = {A hierarchy of Turing degrees of divergence bounded computable real numbers}, series = {Journal of Complexity}, volume = {22}, journal = {Journal of Complexity}, number = {6}, pages = {818 -- 826}, language = {en} } @incollection{Zheng, author = {Zheng, Xizhong}, title = {Bounded Computable Enumerability and Hierarchy of Computably Enumerable Reals}, language = {en} } @article{Zheng, author = {Zheng, Xizhong}, title = {Recursive approximability of real numbers}, language = {de} } @misc{ZhengRettingerBraunmuehl, author = {Zheng, Xizhong and Rettinger, Robert and Braunm{\"u}hl, Burchard von}, title = {Effectively absolute continuity and effective Jordan decomposability}, series = {Electronic Notes in Theoretical Computer Science}, volume = {66}, journal = {Electronic Notes in Theoretical Computer Science}, number = {1}, issn = {1571-0661}, pages = {213 -- 224}, language = {en} } @inproceedings{RettingerZhengBraunmuehl, author = {Rettinger, Robert and Zheng, Xizhong and Braunm{\"u}hl, Burchard von}, title = {Computable Real Functions of Bounded Variation and semi-Computable Real Numbers}, series = {Computing and combinatorics, 8th annual international conference, COCOON 2002, Singapore, August 15 - 17, 2002}, booktitle = {Computing and combinatorics, 8th annual international conference, COCOON 2002, Singapore, August 15 - 17, 2002}, editor = {Oscar, H. Ibarra}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-43996-X}, pages = {47 -- 56}, language = {en} } @inproceedings{SuChenZhengetal., author = {Su, Kaile and Chen, Qingliang and Zheng, Xizhong and Yue, Weiya}, title = {Reasoning about Knowledge by SAT Solving}, series = {International Conference on Computational Intelligence and Security, CIS 2006, 3 - 6 Nov. 2006, Guangzhou, China}, booktitle = {International Conference on Computational Intelligence and Security, CIS 2006, 3 - 6 Nov. 2006, Guangzhou, China}, publisher = {IEEE Press}, address = {Piscataway, NJ}, isbn = {1-4244-0604-8}, pages = {536 -- 539}, language = {en} } @inproceedings{Zheng, author = {Zheng, Xizhong}, title = {A Computability Theory of Real Numbers}, series = {Logical approaches to computational barriers, second Conference on Computability in Europe, CiE 2006, Swansea, UK, June 30 - July 5, 2006, proceedings}, booktitle = {Logical approaches to computational barriers, second Conference on Computability in Europe, CiE 2006, Swansea, UK, June 30 - July 5, 2006, proceedings}, publisher = {Springer}, address = {Berlin [u.a.]}, isbn = {3-540-35466-2}, pages = {584 -- 594}, language = {en} } @inproceedings{RettingerZheng, author = {Rettinger, Robert and Zheng, Xizhong}, title = {Points on Computable Curves of Computable Lengths}, language = {en} } @inproceedings{RettingerZheng, author = {Rettinger, Robert and Zheng, Xizhong}, title = {On the Computability of the Rectifiable Simple Curves}, language = {en} } @misc{WeihrauchZheng, author = {Weihrauch, Klaus and Zheng, Xizhong}, title = {Computability on Continuous, Lower Semi-Continuous and Upper Semi-Continuous Real Functions}, series = {Theoretical Computer Science}, volume = {234}, journal = {Theoretical Computer Science}, number = {1-2}, pages = {109 -- 133}, language = {en} }