The Euler characteristic on the face-centred cubic lattice
The Euler characteristic on the face-centred cubic lattice
复制标题
面心立方晶格的欧拉特征
DOI:
10.1016/s0167-8655(97)00014-7
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发表时间:
1997
期刊:
影响因子:
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通讯作者:
C. Osborne
中科院分区:
文献类型:
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作者:
Alasdair McAndrew;C. Osborne
The Euler characteristic is an important topological invariant of an object, and it has been used in two and three dimensions to provide information about objects in binary digital pictures. Generally it is calculated by counting certain local patterns appearing in an object, and as such it has been defined for the cartesian lattices Z2and Z3, and the hexagonal lattice. In this paper we extend these results to the face-centred cubic lattice; this lattice being the natural extension of the hexagonal lattice to three dimensions. We show how the Euler characteristic may be defined, and that the definition is consistent with classical results. We also investigate means of implementing our definition.
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