19

Answers

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1

Newton equations, second order equation and (im)possible motions

2

sequences with a fractal dimension

6

Does Physics need non-analytic smooth functions?

3

fibonacci series mod a number

1

Random linear recurrence relations

2

2- and 3-body problems when gravity is not inverse-square

0

Measure 0 sets on the line with Hausdorff dimension 1

2

Spectrum of the sum of generators for irrational rotation algebra

9

Expected number of steps for a discrete random walk to visit every point on an N-dimensional rectangular lattice

4

What is the right notion of self-dual (two-dimensional) percolation in R^4?

0

A differential equation

2

Question on consecutive integers with similar prime factorizations

3

Can I derive the Boltzmann distribution by an invariance argument?

1

How well does a truncated fourier expansion of a stepfunction perform near the expansionpoint

1

The Jacobi Identity for the Poisson Bracket

2

Quadratic Diophantine equations solver

1

Unit triangles with vertices on circles

10

Examples of common false beliefs in mathematics.

6

How can one best link a circle to a straight line by an arc of continuously varying curvature?