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Abstract：
We prove that the total curvature of a planar graph with nonnegative combinatorial curvature is at least 1/12 if it is positive. Moreover, we classify the metric structures of ambient polygonal surfaces for planar graphs attaining this bound. © 2019 Wiley Periodicals, Inc.
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Source ：
Journal of Graph Theory
ISSN： 0364-9024
Year： 2020
Issue： 3
Volume： 93
Page： 395-439
0 . 8 5 7
JCR@2020
0 . 9 0 0
JCR@2023
ESI HC Threshold：50
JCR Journal Grade：3
CAS Journal Grade：3
Cited Count：
SCOPUS Cited Count： 3
ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 0
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