Grants and Awards since 1997

• I am one of the organizers of the 2024 Midwestern Workshop on Asymptotic Analysis at Indiana University in Bloomington, October 11-13, funded in part by NSF grant DMS 2427685 (PI: Norm Levenberg).
• I was one of the organizers of the 2023 Midwestern Workshop on Asymptotic Analysis at IUPUI, October 13-15, funded in part by NSF grant DMS 2331073 (PI: Max Yattselev).
• I was one of the organizers of the 2022 Midwestern Workshop on Asymptotic Analysis at Purdue Fort Wayne, October 7-9, funded in part by NSF grant DMS 1936543 (PI: Peter Dragnev).
• My development of an online version of an undergrad/graduate level course, MA 52500 Introduction to Complex Analysis, was supported by an Online Course Development grant from PFW Division of Continuing Studies and PFW CELT in 2021-2022.
• I was one of the organizers of the 2019 Midwestern Workshop on Asymptotic Analysis at Purdue Fort Wayne, October 4-6, funded in part by NSF grant DMS 1936543 (PI: Peter Dragnev).
• I was one of the organizers of the 2018 Midwestern Workshop on Asymptotic Analysis at IU Bloomington, October 5-7, funded in part by NSF grant DMS 1837155 (PI: Norm Levenberg).
• I was the 2018 recipient of the Distinguished Service Award from the Indiana Section of the Mathematical Association of America.
  • Award Citation
  • My photo album from the 2018 Tri-Section (Illinois/Indiana/Michigan) MAA meeting, including presentations of awards
• I was one of the organizers of the 2017 Midwestern Workshop on Asymptotic Analysis at IUPUI, October 6-8, funded in part by NSF grant DMS 1745012 (PI: Max Yattselev).
• I was the 2017 recipient of the IPFW College of Arts and Sciences' Downs-Hollander Award for Service.
• I was one of the organizers of the 2016 Midwestern Workshop on Asymptotic Analysis at IPFW, October 7-9, funded in part by NSF grant DMS 1650319 (PI: Adam Coffman).
• I was one of the organizers of the 2015 Midwestern Workshop on Asymptotic Analysis at IU Bloomington, October 9-11, funded in part by NSF grant DMS 1545971 (PI: Norm Levenberg).
• I was a 2014 recipient of IPFW's Pippert Science Research Scholar Award.
• I was awarded a grant from the Overseas Conference Fund, Indiana University Office of International Programs, May 2007.
• I was the 2007 recipient of the IPFW Sigma Xi society's Researcher of the Year Award, and the 2008-09 President of the IPFW chapter.
• In 2007, I was inducted as a faculty member of the IPFW chapter of Phi Kappa Phi.
• I participated in IPFW's Featured Faculty public relations campaign, 2006-2008.
• I was the 2005 recipient of IPFW's Pippert Science Research Scholar Award.
• In 2004, I was inducted as a faculty member of the IPFW chapter of Pi Mu Epsilon.
• I was one of the organizers of a "Physics-Based Calculus" Workshop at IPFW, for four sessions: June 7-9, 2004, June 16-18, 2003, June 18-19, 2002, and May 4-6, 2001. This was supported by NSF grant DUE 9555408 as part of the Indiana University system's Mathematics Throughout the Curriculum project (PI: Dan Maki).
• I was awarded an IPFW Summer Faculty Research Grant for 2001. The subject was "Hermitian Symmetry in Geometry."
• I was awarded an IPFW Summer Faculty Research Grant for 1999. The subject was "Generalizing Stereographic Projection."
• I was awarded a Purdue Research Foundation Summer Faculty Grant for 1998. The subject was "The Geometry of Singularities."

Talks since 1997

• "Removing isolated zeros by homotopy" - in the Contributed Paper Session in Algebraic Topology at the August 2024 MAA MathFest in Indianapolis. Based on joint work with J. Lebl.
• "The History and Future of the Indiana College Mathematics Competition", at the Fall 2022 Indiana Section meeting of the MAA at Rose-Hulman University, October 22.
  • Joint presentation with Rick Gillman, Valparaiso University
  • Based on joint work with R. Gillman, J. Gash, and J. Rickert
• "Normal forms for non-isolated CR singularities in high codimension" - in the Special Session on Canonical Operators in Several Complex Variables and Related Topics at the AMS Central Section meeting in Ann Arbor, Oct. 2018. Abstract:
• "Perturbations of maps with isolated zeros" at the Fall 2017 Eastern Section meeting of the American Mathematical Society at SUNY Buffalo, Sept. 16-17, in the special session on CR Geometry and Partial Differential Equations in Complex Analysis.
  • Based on joint work with J. Lebl
  • Abstract:
• "J-holomorphic curves in rough almost complex structures" - in the General Contributed Paper Session in Analysis at the July 2017 MAA MathFest in Chicago.
  • Based on joint work with Y. Pan and Y. Zhang
  • Slides: PDF
  • I gave this talk again at the Tri-Section Meeting of the MAA at Valparaiso University, March 2018.
• "Perturbing isolated points of algebraic space curves" - in the General Contributed Paper Session in Geometry at the August 2016 MAA MathFest in Columbus, OH. Based on joint work with J. Lebl.
• "Isolated CR singularities of real threefolds in C³," at the Spring 2016 Western Section meeting of the American Mathematical Society at the University of Utah, April 9-10, in the special session on CR Geometry and Partial Differential Equations in Complex Analysis.
  • Abstract:
  • Slides (excerpt): PDF
• "An example for Green's Theorem with discontinuous partial derivatives" - in the General Contributed Paper Session in Analysis at the August 2015 MAA MathFest in Washington, DC.
  • Based on joint work with Y. Pan and Y. Zhang, and related to a joint paper with Y. Zhang
  • Slides from this talk: PDF
  • I gave a related talk at the Fall 2015 Indiana MAA meeting at Purdue North Central, Oct. 17.
  • I gave an extended version of this talk at the Analysis and Geometry Seminar at Central Michigan University, Dec. 8, 2017.
• "Continuous solutions of nonlinear Cauchy-Riemann equations and pseudoholomorphic curves in normal coordinates", at the Spring 2015 Central Section meeting of the American Mathematical Society at Michigan State University, March 14-15, in the special session on complex analysis in several variables and its applications. Abstract:
• "Green's Theorem revisited", at the the Fall 2014 Indiana Section meeting of the MAA at Trine University, October 18.
• "Real linear maps preserving some complex subspaces", at the 2014 Joint Mathematics Meeting in Baltimore, in the AMS Contributed Paper session on Lattices, Polynomials, and Linear Algebra, January 17. Abstract:
• "Real linear maps preserving some complex subspaces", at the Fall 2013 Indiana Section meeting of the MAA at the University of Southern Indiana, October 26.
• "Rational functions on real or complex weighted projective spaces," at the Fall 2013 Eastern Section meeting of the American Mathematical Society at Temple University, Oct. 12-13, in the special session on Several Complex Variables and CR Geometry. Abstract:
• "Weighted projective spaces and a generalization of Eves' Theorem," at the Analysis Seminar, University of Western Ontario, March 12, 2013.
• "Generalizing Eves' Theorem," a contributed talk at the MAA MathFest, Madison, August 2012.
• "Generalizing Eves' Theorem," Spring 2012 Indiana Section meeting of the MAA at Ball State University, March 23.
• "Smooth counterexamples to strong unique continuation for a Beltrami system in C²," SCV Seminar, University of Michigan, Nov. 14, 2011.
• "Möbius transformations and ellipses," Mathematics/CS Colloquium, Wabash College, Sept. 20, 2011.
• "Möbius transformations and ellipses," a contributed talk at the MAA MathFest, Lexington, August 2011.
• "Smooth counterexamples to strong unique continuation for a Beltrami system in C²," Analysis Seminar, University of Toledo, March 2011.
• "Glaeser's inequality on an interval," Contributed paper session at the MAA MathFest in Pittsburgh, Aug. 6, 2010. An abstract appears in the Abstracts Booklet from the 2010 MAA MathFest.
• "Glaeser's inequality on an interval," Spring 2010 Indiana Section meeting of the MAA at Franklin College, April 9.
• "Counterexamples to upper semicontinuity of the Kobayashi-Royden pseudonorm for rough almost complex structures," at the Spring 2010 Southeastern Sectional meeting of the American Mathematical Society, at the University of Kentucky, March 27-28, in the special session on Interactions Between Logic, Topology, and Complex Analysis. Abstract:
• "Glaeser's inequality on an interval," Spring 2010 Kentucky Section meeting of the MAA at the University of Kentucky, March 26.
• "A nonlinear differential inequality and counterexamples for Hölder continuous almost complex structures," Analysis Seminar, University of Wisconsin - Madison, Dec. 1, 2009.
• "Differential equations with no small solutions," Fall 2009 Indiana Section meeting of the MAA at Purdue Calumet, Oct. 17.
• "CR singularities of 4-manifolds in C³," at the Spring 2009 Central Sectional meeting of the American Mathematical Society, at UIUC, March 27-29, in the special session on Holomorphic and CR Mappings. Abstract:
• "CR singularities of 4-manifolds in C³," at the PDE, Complex Analysis and Differential Geometry Seminar, University of Notre Dame, Nov. 11, 2008.
• "CR singularities of 4-manifolds in C³," at the CR Geometry Seminar, University of Illinois - Urbana-Champaign, April 17, 2008.
• "CR singularities of 4-manifolds in C³," at the Analysis Seminar, University of Western Ontario, April 11, 2008.
• "Unfolding CR singularities of real 4-manifolds in C⁵", Special Session on Complex Analytic Geometry at the Winter 2007 meeting of the Canadian Mathematical Society in London, ON, Dec. 7-10, 2007.
  abstract
• "Parabolas in Space," Fall 2007 Indiana Section meeting of the MAA at Manchester College, Oct. 27.
• "Parabolas in Space," at the 27th Annual Mathematics Symposium at Western Kentucky University, Oct. 12-13, 2007.
• "CR singularities and their unfoldings", at the conference on Rigidity in Dynamics and Geometry, at the CIRM in France, May 21-25, 2007.
  • Slides:
• "Proper maps from domains in C² with transverse circle action", at the Midwest Several Complex Variables Conference at the University of Michigan, Ann Arbor, March 2-4, 2007.
• "Unfolding CR singularities of real 4-manifolds in C⁵", a contributed talk at the Winter 2006 meeting of the Canadian Mathematical Society in Toronto, Dec. 8-11, 2006.
  abstract
• "Unfolding CR singularities of real 4-manifolds in C⁵," at the Special Session on Several Complex Variables, Spring Central Sectional Meeting of the AMS, at Notre Dame, April 8-9, 2006.
  abstract
• "Unfolding CR singularities," at the Geometry/Topology Seminar, St. Louis University, Nov. 15, 2005.
• "Unfolding CR singularities," at the Dynamics and Global Analysis Seminar at the University of Chicago, November 9, 2005.
• "Critical points and real surfaces in complex 2-space," at the Fall meeting of the Indiana Section of the MAA, at DePauw University, Nov. 5, 2005.
• "Unfolding CR singularities," at the Several Complex Variables Seminar, University of Michigan, Oct. 24, 2005.
• "Unfolding CR singularities," at the Analysis Seminar, University of Wisconsin - Madison, Oct. 18, 2005.
• "CR singularities of real submanifolds in complex space," at the Analysis Seminar, University of Western Ontario, Sept. 21, 2005.
• "Visualizing real surfaces in the complex projective plane," a contributed talk at the Spring 2005 Meeting of the MAA Indiana Section, at IPFW, April 1, 2005.
• "Real submanifolds of high codimension in complex n-space," at the Geometric Analysis Seminar, Michigan State University, March 22, 2005.
• "Normal forms for some CR singularities," at the Several Complex Variables Seminar, University of Michigan, Feb. 14, 2005.
• "A survey of real submanifolds of high codimension in C ⁿ," at the Differential Geometry Day conference, Eastern Illinois University, Nov. 6, 2004.
• "Normal forms for some more CR singularities," at the Analysis Seminar, University of Wisconsin - Madison, Oct. 12, 2004.
• "CR singularities of real 3-manifolds in C⁴," in the CR Geometry and Singularities special session at the Eastern Section Meeting of the AMS at Rider University, New Jersey, April 18, 2004.
• "Some examples of real submanifolds of high codimension in complex projective space," at the Geometric Potpourri Seminar, University of Illinois - Urbana-Champaign, March 9, 2004.
• "Normal forms for some CR singularities," at the Several Complex Variables Seminar, University of Illinois - Urbana-Champaign, Nov. 5, 2003.
• "Some examples of real submanifolds of high codimension in complex projective space," at the Topology Seminar, St. Louis University, May 28, 2003.
• "Some examples of real submanifolds of high codimension in complex projective space," at the Several Complex Variables Seminar, University of Michigan, March 31, 2003.
• "Möbius transformations and ellipses," a contributed talk at the Spring 2003 meeting of the MAA Indiana Section, at Butler University, March 29, 2003.
• "Real conics in the inversive plane," a contributed talk at the Midwest Several Complex Variables conference at the University of Michigan and Washtenaw Community College, Oct. 19, 2001.
• "Complex projections of real Veronese varieties," a contributed talk at the AMS meeting in Columbus, Sept. 22, 2001.
• "Normal forms for some CR singularities," at the Analysis Seminar, University of Wisconsin - Madison, March 9, 2001.
• "CR singular immersions of complex projective spaces," at the Geometry and Topology Seminar, University of Chicago, Oct. 12, 2000.
• "The real classification of Steiner surfaces," a contributed talk at the Mathematical Pictures conference at Miami University, Ohio, Sep. 29, 2000.
• "A survey of real submanifolds of high codimension in C ⁿ," a contributed talk at the Lehigh University Geometry and Topology Conference, June 13, 2000.
• "CR singular immersions of complex projective spaces," at the Several Complex Variables Seminar, University of Michigan, Nov. 19, 1999.
• "Complexification of the CR cross-cap," at the Several Complex Variables Seminar, University of Michigan, Dec. 8, 1997.
• "Formal stability of the CR cross-cap," a contributed talk at the Midwest Several Complex Variables conference at Indiana University - Bloomington, Nov. 8, 1997.

Selected expository talks for students or a more general audience:

• "The Indiana College Mathematics Competition", for the Conversations on Science series in the PFW College of Science, Nov. 8, 2023.
• "The topology of surfaces", for the PFW department seminar for graduate students, Nov. 1, 2023. 2023 news page
• "pi vs. tau debate," joint with A. Rich, at the Spring 2015 meeting of the Indiana MAA at Taylor University, March 13. YouTube video clip (18 min. 37 sec.)
• "Geometry and Soap Bubbles," a PI Math Club talk, Nov. 14, 2014. Photo page
• "Geometry in Perspective," PI Math Club Talk, Nov. 13, 2013. Photo page
• "Why Geometry Matters," an audio podcast in the IPFW COAS Vistas and Viewpoints interview series, Spring 2011.
• "Geometry and Soap Bubbles," in the "Lunch with a Scientist" presentation series at Science Central, Dec. 11, 2010.
• "Geometry in Nature," in the "Lunch with a Scientist" presentation series at Science Central, April 10, 2010. Photo page
• "Möbius transformations and ellipses," Pi Mu Epsilon, IPFW chapter, Spring 2010 induction. Photo page
• "Packing Ellipsoids," a PI Math Club talk, Nov. 17, 2008. Photo page
• "A Survey of Projective Geometry," a Sigma Xi talk, April 2007, and a Pi Math Club Talk, Sept. 28, 2007. Photo page
• "Geometry and Soap Bubbles," Pi Mu Epsilon, IPFW chapter, Spring 2006 induction. Photo page
• "Parabolas in Space," PI Math Club Talk, Jan. 25, 2006.
• "Geometry and Soap Bubbles," Undergraduate Seminar, St. Louis University, Nov. 16, 2005.
• "Visualizing surfaces in complex 2-space," Colloquium, Calvin College, Sept. 29, 2005.
• "Geometry and Soap Bubbles," Undergraduate Pizza Seminar, University of Western Ontario, Sept. 20, 2005.
• "Geometry and Soap Bubbles," at the Mathematical Sciences Alumni Dinner, March 19, 2005. Photo page
• "Packing Ellipsoids," a PI Math Club talk, Oct. 27, 2004. Photo page
• "Geometry and Soap Bubbles," in the "Lunch with a Scientist" presentation series at Science Central, May 8, 2004.
• "Geometry and Soap Bubbles," a PI Math Club talk, Feb. 16, 2004. Photo page
• "Classifying Conics: Square, Eccentric, or Degenerate," a PI Math Club talk, Sept. 16, 2002. Photo.
• "Projective Geometry and Computer Graphics," at Lawrence University, March 7, and at Oberlin College, March 15, and the IPFW PI Math Club, March 30, 2001.

Poster Sessions:

• "Complex linear algebra without complex numbers"
  • General Contributed Poster Session at the 2019 MAA MathFest in Cincinnati, August 1.
  • I also displayed this poster at the 2019 Midwestern Workshop on Asymptotic Analysis here at Purdue Fort Wayne.
  • Poster:
  • the related publication on "A non-unital generalized trace..." is available in preprint form on my books, papers, and notes page.

Published abstracts of talks

• A. Coffman*, Normal forms for non-isolated CR singularities in high codimension, Abstracts of Papers Presented to the AMS (4) 39 (2018), p. 1109.
• A. Coffman* and J. Lebl, Perturbations of maps with isolated zeros, Abstracts of Papers Presented to the AMS (3) 38 (2017), p. 1008.
• A. Coffman*, Isolated CR singularities of real threefolds in C³, Abstracts of Papers Presented to the AMS (2) 37 (2016), p. 720.
• A. Coffman*, Y. Pan, and Y. Zhang, Continuous solutions of nonlinear Cauchy-Riemann equations and pseudoholomorphic curves in normal coordinates, Abstracts of Papers Presented to the AMS (2) 36 (2015), p. 671.
• A. Coffman*, Green's Theorem revisited, Electronic Newsletter of the Indiana Section of the MAA, Fall 2014.
• A. Coffman*, Real linear maps preserving some complex subspaces, Abstracts of Papers Presented to the AMS (1) 35 (2014), p. 100.
• A. Coffman*, Real linear maps preserving some complex subspaces, Electronic Newsletter of the Indiana Section of the MAA, Fall 2013.
• A. Coffman*, Rational functions on real or complex weighted projective spaces, Abstracts of Papers Presented to the AMS (3) 34 (2013), p. 865.
• A. Coffman*, Generalizing Eves' Theorem, Electronic Newsletter of the Indiana Section of the MAA, Spring 2012.
• A. Coffman* and Y. Pan, Counterexamples to upper semicontinuity of the Kobayashi-Royden pseudonorm for rough almost complex structures, Abstracts of Papers Presented to the AMS (2) 31 (2010), p. 416.
• A. Coffman* and Y. Pan, Glaeser's inequality on an interval, Electronic Newsletter of the Indiana Section of the MAA, Spring 2010.
• A. Coffman* and Y. Pan, Differential equations with no small solutions, Electronic Newsletter of the Indiana Section of the MAA, Fall 2009.
  • As of Spring 2009, I am also volunteering as Editor of the Abstracts column of the Indiana MAA Newsletter. After Fall 2014, the abstracts appear on the Indiana MAA web page for meetings rather than in the newsletter.
• A. Coffman*, CR singularities of real 4-manifolds in C³, Abstracts of Papers Presented to the AMS (2) 30 (2009), p. 436.
• A. Coffman*, Unfolding CR singularities of real 4-manifolds in C⁵, Abstracts of Papers Presented to the AMS (2) 27 (2006), p. 409.
• A. Coffman*, Visualizing real surfaces in the complex projective plane, Spring 2005 Newsletter of the Indiana Section of the MAA.
• A. Coffman*, CR singularities of real threefolds in C⁴, Abstracts of Papers Presented to the AMS (3) 25 (2004), p. 459.
• A. Coffman* and M. Frantz, Möbius transformations and ellipses, Spring 2003 Newsletter of the Indiana Section of the MAA.
• A. Coffman, D. Legg, and Y. Pan*, A series condition for harmonic extension, Abstracts of Short Communications and Poster Sessions, International Congress of Mathematicians, Beijing 2002 (Higher Education Press, Beijing, 2002).
• A. Coffman*, Complex projections of real Veronese varieties, Abstracts of Papers Presented to the AMS (3) 22 (2001), p. 466.

See also:

• My Papers and Notes page for some lecture notes
• My Conference Photos page
• The Indiana MAA web site for programs and abstracts from Indiana MAA meetings
• The current Pi Math Club and PFW Mathematical Sciences News and Events page, which also includes the archive of IPFW events and photos, 1997-2018
• The Archive of IPFW Mathematical Sciences Seminars and Workshops, 1997-2018