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By basic characteristics I mean the Whitney number and Arnold 's invariants J _ + , J _ - and strangeness of circles generically immersed into plane . If current trends continue , Congress will receive around 120 million e-mails this year - a 50 % increase over 2000 . In any case the visitor is expected to give a series of colloquium-style lectures in addition to pursuing research in collaboration with members of the department . When you click on one of these classifications , it offers you a list of expected questions you probably want answered . Each of these audiences has its own section , providing these information " seekers " with several links to either frequently requested information or content that might be of interest to them . From the early applicants for 1985 we see signs that the progress will continue.Of course the credit for all of this really belongs to those aforementioned Math Department stalwarts , Joan and Jim Leitzel , John Riedl , Frank Demana and Bert Waits in particular , but it has been such a pleasure to be associated with them over the years that I 'm not going to gainsay my part in encouraging them , providing support , and persuading the Board of Regents , the Trustees and the University Senate to do the " right thing " by the youth of Ohio .