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Abraham Ziv
Abraham Ziv (–) was an Israeli mathematician, known for his contributions to Zero-sum problem as part of the discoverers of the Erdős–Ginzburg–Ziv theorem. ==Life== He was born in Avihayil, Israel in the 1940s to Haim and Zila Zubkovski. Like many other Israeli-Jews of his time, he changed his surname in the '50s to Ziv, as part of the popular Hebraization of surnames movement. Abraham studied at the Technion – Israel Institute of Technology, where he earned his Ph.D, in mathematics, after receiving his master's degree from Harvard University a few years earlier. In 1961, at the age of 21, he proved along with Paul Erdős and Abraham Ginzburg the general result that every sequence of elements of contains terms that sum to zero.〔(【引用サイトリンク】title=zbMATH - the first resource for mathematics )〕 In 1972 Ziv was part of the founding team of IBM R&D Labs in Israel, where he stayed until retirement. In his time at IBM he wrote 21 more publications〔(【引用サイトリンク】title=Abraham Ziv )〕 and 6 patents that are still owned by IBM to this day.〔(【引用サイトリンク】title=Patents by Inventor Abraham Ziv - Justia Patents Database )〕
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