Y. Shimamoto

Dr. Yoshio Shimamoto was Chairman of the Applied Mathematics Department at Brookhaven National Laboratory from 1964 to 1975.

During the 1970s, he worked with Heinrich Heesch and Karl Durre on methods for a computer-aided proof of the Four color theorem, using computer programs using Heesch's notion of "discharging" to eliminate 4-colorable cases.

Born in Hawaii in 1924, Shimamoto served with the U.S. Army Signal Corps and Strategic Bombing Survey, during World War II. He died in New Jersey in 2004[1]

References

  1. ↑ http://query.nytimes.com/gst/fullpage.html?res=9B00EEDC103AF932A0575BC0A96F9C8B63


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