Shangyong Zhu

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Two-dimensional programmed grammars was introduced in [1]. In this paper, programmed grammars with multi-production core are defined. Various properties of this type of grammar are studied and illustrated by examples. In addition, the time and space complexity analyses are also investigated with illustrative examples. Applications to the generation of(More)
RATIONALE AND OBJECTIVES Accurate staging forms the basis for the successful management of maxillary sinus carcinoma. The purpose of this study was to compare the efficacy of ultrasonography and computed tomography (CT) for detection and T-staging of maxillary sinus carcinoma. MATERIAL AND METHODS T-staging of maxillary sinus carcinoma by ultrasonography(More)
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