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About Ding-Zhu Du
- Ding-Zhu Du (born May 21, 1948) is a Professor in the Department of Computer Science at The University of Texas at Dallas.
- He has received public recognition when he solved two long-standing open problems on the Euclidean minimum Steiner trees, the proof of Gilbert-Pollak's conjecture on the Steiner ratio, and the existence of a polynomial-time heuristic with a performance ratio bigger than the Steiner ratio.
- The proof of Gilbert-Pollak's conjecture on Steiner ratios was later found to have gaps, thus leaving the problem unsolved.
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