I have a proof of various gadgets by which I can show that directed, bipartite, vertex colored graphs are graph isomorphism complete. However, I'd rather just cite the result. Can someone give a reference? Thanks!
2026-03-25 22:09:12.1774476552
Reference Request: GI Completeness of Directed, Bipartite, Colored Graphs
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I found a reference with it. Just updating in case anyone else has the question in the future.
Zemlyachenko, V. N., Korneenko, N. M., & Tyshkevich, R. I. (1985). Graph isomorphism problem. Journal of Soviet Mathematics, 29(4), 1426–1481. doi:10.1007/bf02104746
This reference can be found on sci hub: https://sci-hub.tw/10.1007/bf02104746
Page 1469 in section 15 on equivalent isomorphism problems.