TY - CHAP A1 - Rettinger, Robert A1 - Gengler, Romain A1 - Zheng, Xizhong A1 - Braunmühl, Burchard von T1 - Monotonically Computable Real Numbers T2 - Combinatorics, computability and logic, proceedings of the Third International Conference on Combinatorics, Computability and Logic, (DMTCS '01) Y1 - 2001 SN - 1-85233-526-2 SP - 187 EP - 202 PB - Springer CY - Berlin [u.a.] ER - TY - CHAP A1 - Rettinger, Robert A1 - Zheng, Xizhong T1 - Hierarchy of monotonically computable real numbers T2 - Mathematical foundations of computer science 2001, 26th international symposium, Mariánské Lázně, Czech Republic, August 27 - 31, 2001 Y1 - 2001 SN - 3-540-42496-2 SP - 633 EP - 644 PB - Springer CY - Berlin [u.a.] ER - TY - CHAP A1 - Rettinger, Robert A1 - Zheng, Xizhong ED - Cooper, Stuart Barry T1 - On the Turing degrees of divergence bounded computable reals T2 - New computational paradigms, First Conference on Computability in Europe, CiE 2005, Amsterdam, The Netherlands, June 8 - 12, 2005 Y1 - 2005 SN - 3-540-26179-6 SP - 418 EP - 428 PB - Springer CY - Berlin [u.a.] ER - TY - CHAP A1 - Zheng, Xizhong T1 - On the hierarchy of Delta_02-numbers Y1 - 2004 UR - http://www.informatik.uni-trier.de/Reports/TR-08-2004/rnc6_15_zheng.pdf ER - TY - CHAP A1 - Zheng, Xizhong A1 - Rettinger, Robert T1 - A note on the Turing degrees of divergence bounded computable reals Y1 - 2004 ER - TY - CHAP A1 - Zheng, Xizhong A1 - Rettinger, Robert A1 - Gengler, Romain ED - Rovan, Branislav T1 - Ershov's hierarchy of real numbers T2 - Mathematical foundations of computer science 2003, 28th international symposium MFCS, Bratislava, Slovakia, August 25 - 29, 2003 Y1 - 2003 SN - 3-540-40671-9 SP - 681 EP - 690 PB - Springer CY - Berlin [u.a.] ER - TY - CHAP A1 - Zheng, Xizhong T1 - On the divergence bounded computable real numbers Y1 - 2003 ER - TY - CHAP A1 - Zheng, Xizhong A1 - Barmpalias, George T1 - On the monotonic computability of semi-computable real numbers Y1 - 2003 ER - 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 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 -