The series of Ohio State-Denison Mathematics Conferences, first organized in the 1960's by Hans Zassenhaus, are held in even-numbered years in Ohio, with the group theorists meeting in the odd-numbered years at various locations around the country. The even-numbered year conferences held in Ohio originally included group theory, ring theory, and combinatorics (areas in which Hans Zassenhaus was active), but in recent years only group and ring theory have been in attendance.

Recent Zassenhaus Conferences

• 2014: The XXXIInd Ohio State-Denison Mathematics Conference, The Ohio State University, Columbus, Ohio.
• 2013: Zassenhaus Group Theory Conference, Western Carolina University, Asheville, North Carolina.
• 2012: The XXXIst Ohio State-Denison Mathematics Conference, The Ohio State University, Columbus, Ohio.
• 2011: Zassenhaus Group Theory Conference, Towson University, Towson, Maryland.
• 2010: The XXXth Ohio State-Denison Mathematics Conference, The Ohio State University, Columbus, Ohio.
• 2009: Zassenhaus Group Theory Conference, Franklin and Marshall College, Lancaster, Pennsylvania.
• 2008: The XXIXth Ohio State-Denison Mathematics Conference, The Ohio State University, Columbus, Ohio.
• 2007: Zassenhaus Group Theory Conference, St. Louis University, St. Louis, Missouri.
• 2006: The XXVIIIth Ohio State-Denison Mathematics Conference, The Ohio State University, Columbus, Ohio.
• 2005: Zassenhaus Group Theory Conference, Auburn University Montgomery, Montgomery, Alabama.
• 2004: The XXVIIth Ohio State-Denison Mathematics Conference, The Ohio State University, Columbus, Ohio.
• 2003: Zassenhaus Group Theory Conference, University of Evansville, Evansville, Indiana.
• 2002: The XXVIth Ohio State-Denison Mathematics Conference, Denison University, Granville, Ohio.
  • Luise-Charlotte Kappe on Wolfgang Kappe
• 2001: Zassenhaus Group Theory Conference, New College of USF, Sarasota, Florida.
• 2000: The XXVth Ohio State-Denison Mathematics Conference, The Ohio State University, Columbus, Ohio.
• 1999: Groups 99: The Zassenhaus Group Theory Conference, Binghamton University, Binghamton, New York.
• 1998: The XXIVth Ohio State-Denison Mathematics Conference, The Ohio State University, Columbus, Ohio.
• 1997: Zassenhaus Group Theory Conference, New College of USF, Sarasota, Florida.