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University of DelawareOffice 38, Suite 172, Jason Technology Center<div class="ExternalClass65F64243C74F4F7EBC566954FBF2A554"><p>​Ph.D., University of North Carolina at Chapel Hill<br>B.S., The College of New Jersey</p></div><div class="ExternalClassE8FE64700DB74A59A19C0A635858F44E"><p>​I am eligible to teach all math courses offered by the AAP. To date, I have taught Math 114, 115, 201, 242 and 243.<br></p></div><div class="ExternalClassF7FE53EAC34A40939FA29D1C4B386C64"><p>​University of North Carolina<br>Hampden-Sydney College<br>Connecticut College<br>Wesleyan University<br></p></div><div class="ExternalClassEF31112FB582454FA4BD4D0C398A15A8"><p></p><ul><li><a href="https://arxiv.org/abs/1706.04649" target="_blank">​Parabolic Catalan numbers count flagged Schur functions and their appearances as type A Demazure characters (key polynomials), 2017</a><br></li><li><a href="https://arxiv.org/abs/1706.03094" target="_blank">Convexity of tableau sets for type A Demazure characters (key polynomials), parabolic Catalan numbers, 2018</a><br></li><li><a href="https://arxiv.org/abs/1701.01182" target="_blank">Row bounds needed to justifiably express flagged Schur functions with Gessel-Viennot determinants, 2019</a><br></li><li><a href="https://arxiv.org/abs/1612.06323" target="_blank">Parabolic Catalan numbers count flagged Schur functions; Convexity of tableau sets for Demazure characters, 2017</a><br></li><li><a href="https://arxiv.org/abs/1706.03094" target="_blank">Convexity of tableau sets for type A Demazure characters (key polynomials), parabolic Catalan numbers, 2018</a><br></li><li><a href="https://arxiv.org/abs/1701.01182" target="_blank">Row bounds needed to justifiably express flagged Schur functions with Gessel-Viennot determinants, 2019</a><br></li><li><a href="https://arxiv.org/abs/1612.06323" target="_blank">Parabolic Catalan numbers count flagged Schur functions; Convexity of tableau sets for Demazure characters, 2017</a><br></li><li><a href="https://arxiv.org/abs/1506.04756" target="_blank">Relating the type A alcove path model to the right key of a semistandard Young tableau, with Demazure character consequences, 2015</a><br></li><li><a href="https://arxiv.org/abs/1407.7826" target="_blank">New descriptions of Demazure tableaux and right keys, with applications to convexity, 2014</a><br></li><li><a href="https://arxiv.org/abs/1212.6789" target="_blank">Semistandard tableaux for Demazure characters (key polynomials) and their atoms, 2017</a><br></li><li><a href="https://arxiv.org/abs/1110.6184" target="_blank">A direct way to find the right key of a semistandard young tableau, 2011</a><br></li></ul><p></p></div>EducationCourses TaughtPrior AppointmentsPublicationsmjwillis@udel.eduWillis, Matthew<img alt="" src="/Images%20Bios/Willis_Matt_Cropped.jpg" style="BORDER:0px solid;" />Assistant Professor, MathematicsGeorgetown Campus

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