Steve Butler (mathematician)

Steven Kay Butler (born May 16, 1977) is an American mathematician specializing in graph theory and combinatorics. He is an associate professor of mathematics and Barbara J. Janson Professor in Mathematics at Iowa State University.

Education and career

Butler earned his master's degree at Brigham Young University in 2003. His master's thesis was titled Bounding the Number of Graphs Containing Very Long Induced Paths.[1] He completed a doctorate at the University of California, San Diego in 2008, authoring the dissertation Eigenvalues and Structures of Graphs, advised by Fan Chung.[2][3] Upon completing his postdoctoral studies at the University of California, Los Angeles, Butler joined the Iowa State University faculty in 2011, and was named the Barbara J. Janson Professor in Mathematics in 2017.[4] In 2015, Butler became the 512th (and so far final) person to have an Erdős number of 1, when he published a paper with Paul Erdős and Ronald Graham on Egyptian fractions.[5]

References
  1. Butler, Steven Kay (February 7, 2003). "Bounding the Number of Graphs Containing Very Long Induced Paths". Brigham Young University. Retrieved October 6, 2018. Cite journal requires |journal= (help)
  2. Steve Butler at the Mathematics Genealogy Project
  3. Butler, Steven Kay (2008). "Eigenvalues and Structures of Graphs" (PDF). University of California, San Diego. Retrieved October 6, 2018. Cite journal requires |journal= (help)
  4. "Steve Butler receives Barbara J. Janson Professorship in Mathematics". Iowa State University. September 19, 2017. Retrieved October 6, 2018.
  5. Roberts, Siobhan (December 10, 2015). "New Erdős Paper Solves Egyptian Fraction Problem". Simons Foundation.
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