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Sponsored Design Multi-Agent AI Systems Using MCP and A2A: Engineer your own Pyt Design Multi-Agent AI Systems Using MCP and A2A: Engineer your own Pyt

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Feng Liu

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Open access Oct 2026

On the Minimum Number of Hamilton Cycles in Hamiltonian Threshold Graphs: A Simple Proof

A graph is called a threshold graph if it is induced-$\{P_4,C_4,2K_2\}$ free. In 2020, Qiao and Zhan [J. Graph Theory 93 (2020) 222--229] determined the minimum number of Hamilton cycles in a Hamiltonian threshold graph and characterized the extremal graphs attaining this minimum. We show that every Hamiltonian thresho...

Cheng-Li Li, Feng Liu · 0 citations

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