Q4-irreducible even triangulations of the projective plane
Q4-irreducible even triangulations of the projective plane
复制标题
Q4-射影平面的不可约偶三角剖分
DOI:
10.1016/j.disc.2021.112736
复制
发表时间:
2022
影响因子:
0.8
通讯作者:
Suzuki Yusuke
中科院分区:
文献类型:
--
作者:
Hasegawa Jun;Suzuki Yusuke
We establish a new generating theorem of even triangulations of the projective plane using an operation called a Q 4-reduction. That is, every even triangulation of the projective plane can be obtained from one of the Q 4-irreducible even triangulations, which contains a special subgraph named a projective-triangular cupola (or simply PTC) as its subembedding, by a sequence of Q 4-expansions. By the result, we show that the set of (P 4, Q 4)-irreducible even triangulations coincides with that of (P, Q)-irreducible ones on the projective plane as well as the spherical case. However, we show that the property does not hold in general for the other closed surfaces.
DOI:
10.1016/j.disc.2009.12.023
发表时间:
2010
期刊:
Discret. Math.
影响因子:
--
作者:
A. Drápal;P. Lisoněk
通讯作者:
P. Lisoněk
DOI:
10.1016/0012-365x(84)90074-8
发表时间:
1984
期刊:
Discret. Math.
影响因子:
--
作者:
V. Batagelj
通讯作者:
V. Batagelj
影响因子:
0.9
作者:
Yusuke Suzuki;Takahiro Watanabe
通讯作者:
Takahiro Watanabe