This study captures the spatial characteristics and techniques of modern Chinese commercial housing by investigating the development of modern commercial housing in China and sales center, a special architectural space type, under the unique cultural society background. Through the investigation and classification of the approach space's constitutive character which is constituted by the entrance space, circulation path space and the elevation includes the main entrance of the main building in the sales center, 12types of spatial composition and diversified spatial characteristics are obtained, that illustrated the Development tendencies of modern commercial housing and urban mainstream residential space in China.
Boolean functions and vectorial Boolean functions are the most important nonlinear components of stream ciphers. They should satisfy several criteria such as high nonlinearity, proper resiliency and so on to guarantee the security of the whole system. However, there are some constraints among the criteria, and how to achieve a trade-off between them is an important issue. In this paper, some nonlinear Boolean functions possessing simple algebraic normal form with special Walsh spectrum are proposed. By using these functions, we provide two construction methods on balanced and resilient Boolean functions with high nonlinearity. In addition, based on the disjoint linear codes and vector matrices with special properties, some resilient vectorial Boolean functions with currently best-known nonlinearity have also been given.
The propagation criterion is defined in cryptography in order to analyze the security of cryptographic components with respect to differential cryptanalysis. This paper explains a class of plateaued functions satisfying the propagation criterion of degree l$l$ by using the Maiorana–McFarland construction. And a variety of other desirable criteria for functions with cryptographic application could also be satisfied, such as balancedness, high non‐linearity, non‐existence of non‐zero linear structures, good global avalanche characteristics.
This study aims to capture the compositional practices and ideas of the boundaries of Chinese high-rise commercial housing estates through an examination of the physical boundary of modern Chinese enclosed commercial housing estates, the gates that link the inner and outer parts of the estates and the 'Domain of gate' that they form. By examining and classifying the spatial layout, composition and relationship with the surrounding realm facade, seven types of field composition and diverse field character characteristics are identified, illuminating the spatial composition of high-rise commercial residential areas and the context in which they are formed.
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