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 - JOUR A1 - Rettinger, Robert A1 - Zheng, Xizhong A1 - Gengler, Romain A1 - Braunmühl, Burchard von T1 - Monotonically computable real numbers Y1 - 2002 ER - TY - JOUR A1 - Zheng, Xizhong T1 - Closure properties on real numbers under limits and computable operators KW - weakly computable reals KW - computable real functions KW - closure properties Y1 - 2002 ER - TY - THES A1 - Zheng, Xizhong T1 - Effective Hierarchy of Real Numbers Y1 - 2007 SN - 978-3-8322-6343-0 PB - Shaker CY - Aachen ER - TY - RPRT A1 - Zheng, Xizhong A1 - Rettinger, Robert A1 - Braunmühl, Burchard von T1 - On the Jordan decomposability for computable functions of bounded variation KW - Jordansche Zerlegung KW - Zerlegung Y1 - 2002 PB - BTU, Inst. of Computer Science CY - Cottbus ER -