Total curvature of planar graphs with nonnegative combinatorial curvature
نویسندگان
چکیده
We prove that the total curvature of any planar graph with nonnegative combinatorial is an integral multiple 1 12 \frac {1}{12} . As a corollary, this answers question proposed by T. Réti.
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ژورنال
عنوان ژورنال: Transactions of the American Mathematical Society
سال: 2022
ISSN: ['2330-0000']
DOI: https://doi.org/10.1090/tran/8536