Freemish Crate
An Impossible Figure box which can be drawn but not built.
References
Fineman, M. The Nature of Visual Illusion. New York: Dover, p. 120-122, 1996. Jablan, S. ``Are Impossible Figures Possible?'' http://members.tripod.com/~modularity/kulpa.htm. Pappas, T. ``The Impossible Tribar.'' The Joy of Mathematics. San Carlos, CA: Wide World Publ./Tetra, p. 13, 1989.
- Least Deficient Number
- Least Period
- Least Prime Factor
- Least Squares Fitting
- Least Squares Fitting--Exponential
- Least Squares Fitting--Logarithmic
- Least Squares Fitting--Power Law
- Least Upper Bound
- Lebesgue Constants (Fourier Series)
- Lebesgue Constants (Lagrange Interpolation)
- Lebesgue Covering Dimension
- Lebesgue Dimension
- Lebesgue Integrable
- Lebesgue Integral
- Lebesgue Measurability Problem
- Lebesgue Measure
- Lebesgue Minimal Problem
- Lebesgue-Radon Integral
- Lebesgue Singular Integrals
- Lebesgue-Stieltjes Integral
- Lebesgue Sum
- Le Cam's Identity
- Leech Lattice
- Lefshetz Fixed Point Formula
- Lefshetz's Theorem