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## Outreach College Visitors ProgramIndiana colleges have the opportunity to host one of the listed IN-MAA Visitors per year free of cost (with priority given to schools that are not currently involved in MAA activities but are interested). Each IN-MAA Visitor can speak on a topic of interest to undergraduates but also should be given an opportunity to discuss with Mathematics and other potentially interested faculty the value of membership in the MAA and participation in Indiana Section meetings and other Section activities. Interested colleges should contact the desired MAA Visitor directly to negotiate a visit date and itinerary. The MAA Visitor will then contact the IN-MAA Outreach Program Coordinator to obtain funding approval for necessary travel expenses (see here for details).
## MAA Visitors## Kurt Bryan, Rose-Hulman Institute of Technology, kurt.bryan@rose-hulman.eduKurt Bryan (Ph.D., 1990, University of Washington) is Professor of Mathematics at the Rose-Hulman Institute of Technology. He has held a post-doctoral position at the Institute for Computer Applications in Science and Engineering (ICASE) at NASA's Langley Research Center, worked in industry from 1984 to 1990 as a mathematician and statistician at Blount Industries, been a visiting faculty member at Rutgers University, the US Air Force Academy, and has done much consulting for industry. His research interests lie mainly in partial differential equations, especially inverse problems. He is particularly interested in teaching applied mathematics to undergraduates, and has involved many students in his research and consulting. He was IN-MAA Treasurer (2012-2014) and is a regular contributor to the "Media Highlights" column in the
## Jeremy Case, Taylor University, jrcase@taylor.eduJeremy Case is a Professor and chair of the Mathematics Department at Taylor University in Upland, Indiana. He received his Ph.D. from the University of Minnesota in 1995, and his interests include linear algebra and undergraduate research. He was chair of the Indiana MAA section in 2006-07 and served on the board of the Dolciani series which produces mathematical books aimed for a broad audience. Professor Case was a Project NExT fellow in 1996, and he has been a consultant for several Indiana NExT fellows.
## Adam Coffman, Purdue University Fort Wayne, CoffmanA@pfw.eduAdam Coffman is a Professor of Mathematics at Purdue University Fort Wayne. He received his Ph.D. from the University of Chicago in 1997 and his research interests are in geometry and complex analysis. Professor Coffman was the Public Information Officer for the Indiana MAA from 2008 to 2014 and he has given several talks at Indiana Section Meetings and the MAA MathFests.
## Matt DeLong, Marian University, mdelong@marian.eduMatt DeLong received his Ph.D. in Mathematics from the University of Michigan in 1998. He teaches all levels of the mathematics curriculum using a variety of active learning strategies, and he co-teaches the freshman seminar on the foundations of the liberal arts taken by all Taylor first-year students. He is a Fellow of the Bedi Center for Teaching and Learning Excellence, and co-coaches Taylor's highly successful mathematics competition team. His MAA activities include Indiana Section Treasurer (2006-2009), Associate Director of Project NExT (2012-2016), Alder Award Committee Member (2010-2013), and Hedrick Lecture Committee Member (2015-2017). Matt was awarded the 2005 Alder Award and the 2012 Haimo Award for distinguished teaching from the MAA.
## David Finn, Rose-Hulman Institute of Technology, finn@rose-hulman.eduDavid Finn received his PhD from Northeastern University in partial differential equations and geometric analysis in 1995. He was active in the Rose-Hulman REU from 2006-2013 mentoring 24 students, and continues to mentor senior theses and independent studies. His research centers on the application of differential equations to geometry and physics, and teaches courses in analysis, geometry and applied mathematics. His MAA activities include Project NExT 1995-1996, INMAA Newsletter Editor (2004-2008), Member of Mathematics Across the Disciplines Committee (2007-2013).
## Justin Gash, Franklin College, JGash@franklincollege.eduJustin Gash is a graduate of Indiana University--Bloomington, earning his M.S. in computer science in 2007 and a Ph.D. in mathematics in 2008. He earned his B.A. in 2001 from DePauw University. Justin is an Associate Professor at Franklin College in Franklin, IN. His research interests include Grobner basis algorithms and mentoring undergraduate research, usually in the scholarship of teaching and learning. From the fall of 2010 through the spring of 2016, Dr. Gash served on the Executive Board of the IN-MAA as the Student Activities Coordinator, organizing ICMC exams and student workshops. He also served as the Indiana Section NExT Coordinator from 2010 through 2012. He currently resides in Franklin, IN, with his wife, Andrea, and their Miniature Schnauzer, Phoebe.
## Rick Gillman, Valparaiso University, rick.gillman@valpo.eduRick Gillman completed his undergraduate work at Ball State University and earned his Doctorate of Arts at Idaho State University in 1986. He has worked at Valparaiso University since then, rising to the rank of Professor and is currently Associate Provost for Faculty Affairs. Along the way he served as Assistant Dean for Sponsored Research and Faculty Development, was the founding director of VU’s Celebration of Undergraduate Scholarship, and was chair of his department. Rick has edited to two volumes published by the Mathematical Association of America (MAA),
## Joshua Holden, Rose-Hulman Institute of Technology, holden@rose-hulman.eduJoshua Holden is a Professor of Mathematics at the Rose-Hulman Institute of Technology. He received his Ph.D. from Brown University in 1998 and his professional interests are in number theory, cryptography, mathematical fiber arts, and the use of cognitive theories in teaching. He has also been active in the Rose-Hulman REU and has mentored many undergraduate research projects. His MAA activities include being a Project-NExT consultant (2010-present), and INMAA Principal Information Officer (2014-present). He has also given several talks at INMAA Section Meetings, MAA MathFests, and MAA Sessions at the Joint Meetings.
## David Housman, Goshen College, dhousman@goshen.eduDavid Housman received his Ph.D. in Applied Mathematics from Cornell University in 1983. He teaches courses in applied mathematics and computer science using interactive lectures, projects, self-discovery, cooperative groups, and a process orientation. He has mentored over seventy students in undergraduate research through summer programs, independent studies, and senior theses. His research interests are in game theory with applications to biology, economics, and political science. His MAA activities include Indiana Section Secretary (2001-2008), Indiana Section Governor (2008-2011), Contributed Paper Sessions Committee Member (2009-2012), and Contributed Paper Sessions Committee Chair (2012-2015).
## Michael Karls, Ball State University, mkarels@bsu.eduMichael Karls is a Professor in the Department of Mathematical Sciences at Ball State University, where he has been a faculty member, since completing his Ph.D. in Mathematics at the University of Wisconsin – Milwaukee in 1993. His expertise is in applied mathematics, with a specialization in PDE. His recent research, published jointly with undergraduates, has been focused on simple ways to experimentally verify that models based on classic equations actually do model reality. Michael’s professional service to the MAA includes nine years as a member of the INMAA Executive Board – comprised of two terms as Newsletter Editor, as well as Vice Chair, Chair, and Past Chair. In addition, he has served at the national level on the MAA Committee on Sections, MAA CUPM Subcommittee on Undergraduate Research, and MAA Board of Governors. In 2007, he was awarded the INMAA Distinguished Service Award.
## Vesna Kilibarda, Indiana University Northwest, vkilibar@iun.eduDr. Vesna Kilibarda received her bachelors and master's degrees in mathematics at the University of Belgrade, Yugoslavia, and her second master's and Ph.D. in mathematics with minor in computer science in 1994 from University of Nebraska, Lincoln. She was a Fulbright scholar at University of Nebraska, Lincoln in the 1987/1988 academic year. Her research interests are in algebraic semigroup theory and scholarship of teaching and learning mathematics. She published 11 journal articles and presented her work at regional, national, and international conferences, many times with her students. She is a winner of numerous teaching awards and grants and a member of FACET - Indiana University Faculty Colloquium of Excellence in Teaching since 2005. She is very active in Indiana Section of Mathematical Association of America (MAA) where she served as a chair, vice-chair, and past chair 2009-2012. Her latest position is Associate Professor of Mathematics in the Department of Mathematics and Actuarial Science of Indiana University Northwest. Currently she is a Co-Principal Investigator for NSF Grant Scholarships in Science, Technology, Engineering, and Mathematics (S-STEM) for project "Advancing Indiana Math and Science."
## Daniel Kiteck, Indiana Wesleyan University, daniel.kiteck@indwes.eduDaniel Kiteck received his PhD in Mathematics from the University of Kentucky in an area of Algebra (His PhD Adviser is in Relative Homological Algebra). He started at Indiana Wesleyan University in 2008 and enjoys teaching a number of classes (some favorites: Abstract Algebra, Senior Seminar, History of Mathematics, Mathematics for Future Elementary Teachers), as well as doing undergraduate mathematics research. He has enjoyed many IN-MAA meetings over the years, and he served as chair 2016-2017. He has given a number of talks at IN-MAA meetings and served the IN-MAA section of Project NExT. He is also a Project NExT fellow.
## Andrew Rich, Manchester College, africh@manchester.eduAndrew Rich graduated from Bethel College in Kansas with a mathematics major in 1977, and received a Ph.D. in mathematics from University of Chicago in 1989. He taught at Kansas State University 1989-1992 and has been at Manchester University, and a member of the Indiana MAA, since 1992. He served as Secretary of the Indiana section 2008-2013 and Chair of the section 2017-2018. Has also lived and taught in Indonesia, Korea, Scotland, and Nicaragua.
## Alain Togbe, Purdue University North Central, atogbe@pnw.eduAlain Togbe received his Ph.D. in Mathematics from Université Laval, Québec, Canada in 1997. He has published extensively in number theory and is an editor for the
A set of m distinct positive integers {a_{1}, ..., a_{m}} is called a Diophantine m-tuple if a_{i} a_{j} +1 is a perfect square. In general, let n be an integer, a set of m positive integers {a_{1}, ..., a_{m}} is called a Diophantine m-tuple with the property D(n) or a D(n)-m-tuple (or a P_{n}-set of size m), if a_{i} a_{j} +n is a perfect square. Diophantus studied sets of positive rational numbers with the same property, particularly he found the set of four positive rational numbers {1/16, 33/16, 17/4, 105/16}. But the first Diophantine quadruple was found by Fermat. That is the set {1, 3, 8, 120}. Moreover, Baker and Davenport proved that the set {1, 3, 8, 120} cannot be extended to a Diophantine quintuple. The problem of the extendibility of Diophantine m-tuples is of a big interest.
During this talk, we will give a very quick history of Diophantine m-tuples, discuss of the conjectures and the recent progress to solve these conjectures.
## Funding Process DetailsAfter agreeing upon a visit date and itinerary with a host school, the MAA Visitor will email the IN-MAA Outreach Coordinator (Katie Ansaldi, --- |