Let D ⊆ ℝ be closed and discrete and $f\colon D^{n}\rightarrow {\Bbb R}$ be such that $f(D^{n})$ is somewhere dense. We show that (ℝ, +, ·, f) defines ℤ. As ...
In discrete mathematics and combinatorics courses, students learn to master the use and combinations of integers, graphs, sets and logic statements. These are the best graduate schools for discrete ...
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