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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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Xu-Jin Chen

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Preprint Sep 2026

Network Topology That Excludes Braess's Paradox and Maintains Monotonicity in Flows Over Time

It is proved that removing edges from these networks never decreases the maximum equilibrium latency, which establishes a necessary and sufficient condition: a network does not admit Braess's paradox for flow over time if and only if it is a chain of BPAs.

Xu-Jin Chen, Xi-Yuan Deng, Chang-Jun Wang · 0 citations
Preprint Sep 2026

Optimal Prophet Inequalities for Gain from Trade

We initiate the study of prophet trading, an online trading model in which a trader interacts with sellers and buyers who arrive in a uniformly random order and whose prices are drawn independently from a common known distribution. The trader aims to maximize the expected gain from trade (GFT), with performance measure...

Xu-Jin Chen, Xiao-Dong Hu, Chang-Jun Wang et al. · 0 citations

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