Chromatic numbers and cycle parities of quadrangulations on nonorientable closed surfaces
Chromatic numbers and cycle parities of quadrangulations on nonorientable closed surfaces
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不可定向闭曲面上四边形的色数和循环宇称
DOI:
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发表时间:
2004
期刊:
影响因子:
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通讯作者:
K.Ota
中科院分区:
文献类型:
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作者:
A.Nakamoto;S.Negami;K.Ota