Grants and Awards since 1997

• 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 2005-2006 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.
• 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

• "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.
• "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:

• "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.
• "Möbius transformations and ellipses," Pi Mu Epsilon, IPFW chapter, Spring 2010 induction.
• "Packing Ellipsoids," a PI Math Club talk, Nov. 17, 2008.
• "A Survey of Projective Geometry," a Sigma Xi talk, April 2007, and a Pi Math Club Talk, Sept. 28, 2007.
• "Geometry and Soap Bubbles," Pi Mu Epsilon, IPFW chapter, Spring 2006 induction.
• "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 2005 Dinner for Mathematical Sciences Alumni, March 19, 2005.
• "Packing Ellipsoids," a PI Math Club talk, Oct. 27, 2004.
• "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.
• "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.

Published abstracts of talks

• 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.
• 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 IPFW Math Seminars and Events page for a record of my on-campus talks.