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Nelson Max
This paper describes a system which takes user input of a pattern of regular polygons around one vertex and attempts to construct a uniform tiling with the same pattern at every vertex by adding one polygon at a time. The system constructs spherical, pla...
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Petr N. Kim, Dmitry P. Fedchenko, Natalya V. Rudakova and Ivan V. Timofeev
A new class of active topological photonic devices and laser arrays.
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Yanchen Gong, Longlong Ren, Xiang Han, Ang Gao, Shuaijie Jing, Chunliang Feng and Yuepeng Song
Aimed at the problems of difficult treatment, unreasonable utilization and serious waste of fruit tree residue, combined with the terrain and planting characteristics of hilly orchards, a self-propelled monorail branch chipper was developed. It can reali...
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Marcus R. Garvie and John Burkardt
The general problem of tiling finite regions of the plane with polyominoes is ????
NP
-complete, and so the associated computational geometry problem rapidly becomes intractable for large instances. Thus, the need to reduce algorithm complexity for tilin...
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Marcus R. Garvie and John Burkardt
Checkerboard colouring arguments for proving that a given collection of polyominoes cannot tile a finite target region of the plane are well-known and typically applied on a case-by-case basis. In this article, we give a systematic mathematical treatment...
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Kun Wu, Min Zhang, Gang Wang, Xu Chen and Jun Wu
In order to improve the accuracy and efficiency of the methods that are used for the detection of impurities in and the breakage rate of harvested corn grains, we propose a classification and identification method using a feature threshold and a backprop...
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Ana Lourenço, Luís Silva, Vera Fernandes and Pedro Sequeira
The impact that construction has on sustainability as a relevant consumer of materials is well known, especially with regard to cement, which contributes to high CO2 emissions. It is well known that in tile adhesives, cement add positive technical contri...
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Shihai Wu, Nan Zhang, Yujing Xiang, Dizi Wu, Danping Qiao, Xiaowei Luo and Wei-Zhen Lu
Building Information Modelling (BIM) technology has been widely used in the construction industry in recent years. However, to date, it still cannot sufficiently meet the requirements of construction practitioners in terms of the layout design of floor t...
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Nicolás Velásquez, Ricardo Mantilla, Witold Krajewski, Morgan Fonley and Felipe Quintero
This study evaluates the potential for a newly proposed non-linear subsurface flux equation to improve the performance of the hydrological Hillslope Link Model (HLM). The equation contains parameters that are functionally related to the hillslope steepne...
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Wenxiao Zhan, Yuxuan Chen and Jing Chen
Geographic data visualization is an important research area of Web Geographic Information System (GIS). Owing to the detailed subassemblies and exhaustive knowledge database, building information modeling (BIM) plays an important role in geospatial resea...
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