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Applications, G.A. Goldin and R.F. Wheeler, eds., Dekalb, Illinois,
Martingales and the fine line between Asplund spaces and spaces not
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II, London Math. Soc. Lecture Note Series 138 (1989),
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Nearly representable operators (with R. Kaufman, M. Petrakis and J. J. Uhl, Jr.), Trans. Amer. Math. Soc. 312 (1989),
Rearrangements of the alternating harmonic series, Kenyon
Mathematics Quarterly 1, no. 2 (1990),
Iterating linear functions graphically-a precursor to the derivative
in precalculus, Proceedings of the 3rd International Conference on
Technology in Collegiate Mathematics, Ohio State University,
An occurrence of the ballot numbers in operator theory, Amer. Math.
Monthly 98 (1991),
Plot, The Notices of the American Mathematical Society
A Precalculus Crossmath Puzzle,
Mathematics Teacher 85 (1992), 540.
PSMathGraphsII (with Tom Scavo), The Notices of the American
Mathematical Society 39 (1992),
Population Models with Mutualism (with Francis Hannick, Andris Niedra,
Lynn Olson, Leonard Putnick, Carl Schoen, and Willis Tebbs), FAIM
Module, COMAP, October,
GyroGraphics, version 4, The Notices of the American Mathematical
Society 40 (1993), 332-334.
Introducing the Derivative through the Iteration of Linear Functions,
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American Mathematical Society 41 (1994),
Individualized Computer Investigations
for Multivariable Calculus,
College Math. Journal, 26, No.3, (May 1995), 235-237.
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Riemann Sums with a
Computer Algebra System,
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and Richard Faulkenberry, Prentice Hall Publishing Co., 1996, p.27-29
Skew-Symmetric Matrices) and p. 168-174 (The SVD and Digital Image
Arc Length Contest, College Mathematics
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Carl Louis Ferdinand von Lindemann, in Notable Mathematicians,
Robyn V. Young, Editor, Gale Research, 1998, p316-317.
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Classic Iterated Function Systems,
Sophie Germain and Fermat's Last Theorem, http://www.agnesscott.edu/lriddle/women/germain-FLT/SGandFLT.htm, 2001
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IFS Construction Kit, http://ecademy.agnesscott.edu/~lriddle/ifskit, 2004. Windows software for creating and investigating iterated function systems, with accompanying help file.
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, The College Board, 2005, 78-98. AP Calculus Special Focus Materials for Professional Development: The Fundamental Theorem of Calculus AP Questions involving Approximations, in
, The College Board, 2007 AP Calculus Special Focus Materials for Professional Development: Approximations
The Domain of Solutions to Differential Equations, AP Central (College Board), October 2007, http://apcentral.collegeboard.com Approximating the Sum of Convergent Series, in
, The College Board, 2008, 93-102. AP Calculus Special Focus Materials for Professional Development: Infinite Series
A Calculus Student Reads the Newspaper, AP Central (College Board), June 2008, http://apcentral.collegeboard.com The Shape of a Symmetric Binary Tree, website, 2014,
http://ecademy.agnesscott.edu/~lriddle/ifs/pythagorean/symbinarytreeShape.htm Creating Symmetric Fractals, Math Horizons, Vol. 24, No. 2 (November
2016), 18-21 (Artwork also used on the cover)
http://www.maa.org/press/periodicals/math-horizons/math-horizons-contentsnovember-2016 Mathematical Art Exhibits
"Sierpinski Theme and Variations", 12"x12" counted cross stitch design, exhibited at the 2011 Joint Mathematics Meeting Exhibition of Mathematical Art. Selected for the 2012 Calendar of Mathematical Imagery (November) from the American Mathematical Society. http://ams.org/mathimagery/displayimage.php?album=28&pos=40 or http://www.ams.org/samplings/2012-calendar
"Pythagorean Tree," 16"x20" digital print, exhibited at the 2012 Joint Mathematics Meeting Exhibition of Mathematical Art, January 2012, Boston, MA. Selected for the 2014 Calendar of Mathematical Imagery (May) from the American Mathematical Society.
http://www.ams.org/mathimagery/displayimage.php?album=32&pid=439 or http://www.ams.org/samplings/2014-calendar.
Showing, Thinking 2013 Exhibition. Dalton Gallery, Agnes Scott College, February 8-March 8, 2013.
"Space Filling Curve," 12.5"x12.5" back stitch design, exhibited at the 2015 Joint Mathematics Meeting Exhibition of Mathematical Art, January 2015, San Antonio, TX.
http://gallery.bridgesmathart.org/exhibitions/2015-joint-mathematics-meetings/mathriddle "Constellations, Fractals, and Antique Glassware: Exploring Patterns in
Science and Math," Atlanta Science Festival, Agnes Scott College, March 23-
March 27, 2015.
"Levy Dragon Inside Tapestry" and "Levy Dragon Outside Tapestry," 12.5"x12.5" back stitch designs, exhibited at the 2016 Joint Mathematics Meeting Exhibition of Mathematical Art, January 2016, Seattle, WA.
"Heighway Dragon Tiling" and "Twindragon Tiling", 10" x 10" cross-stitch embroidery, exhibited at the 2017 Joint Mathematics Meeting Exhibition of Mathematical Art, January 2017, Atlanta, WA. http://gallery.bridgesmathart.org/exhibitions/2017-joint-mathematics-meetings/mathriddle
Last modified March 2017
Mathematics Department | Agnes Scott College