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Weiguo Xie
Professor at the University of Minnesota - Duluth
USA
Public Documents
3
June 27, 2023
To Color the Errera Map and its Variations Using Four Colors
Weiguo Xie and Andrew Bowling
November 24, 2022
A Systematic Rotation Method to Color the Historic Heawood Map by Four Colors
Weiguo Xie
October 04, 2022
A Novel Method to Prove the Four Color Theorem
Weiguo Xie
