River Crossings (and Alcuin Numbers) - Numberphile River Crossings (and Alcuin Numbers) - Numberphile begin-post-stats Numberphile • 228K views end-post-stats begin-duration 16:12 end-duration Math topics: _Graph_theory_##Graph theory##_Graph_theory_##Graph theory##_Graph_(discrete_mathematics)_##Graph (discrete mathematics)##_Vertex_(graph_theory)_##Vertex (graph theory) Other topics: _Computational_complexity_theory_##Computational complexity theory##_Time_complexity_##Time complexity##_Vertex_cover_##Vertex cover##_NP-hardness_##NP-hardness##_Mammal_ecology_##Mammal ecology##_Goat_##Goat##_Rabbit_##Rabbit##_Mouse_##Mouse video-id: ZCVAGb1ee8A channel_Numberphile_ So What Learning Computational complexity theory , Graph theory , Mammal ecology Monday, January 22, 2018 Share Share