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Abstract：
We prove that the total curvature of any planar graph with non negative combinatorial curvature is an integral multiple of 112. As a corollary, this answers a question proposed by T. Re ＇ ti.
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TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY
ISSN： 0002-9947
Year： 2022
1 . 3
JCR@2022
1 . 2 0 0
JCR@2023
ESI Discipline： MATHEMATICS;
ESI HC Threshold：24
JCR Journal Grade：2
CAS Journal Grade：2
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WoS CC Cited Count： 0
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ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 0
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