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Jan
5
revised Is $\mathbb{H}P^\infty$ an H-space or not?
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Jan
3
revised Show that $\mathbb{R} P^3$ is not homotopy equivalent to $\mathbb{R} P^2 \vee S^3$.
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Jan
2
revised Generating functions to solve number of integer solution problem
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Jan
2
revised How to prove the equivalence of the two functions?
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Jan
2
revised Prove that $2\sqrt{n}\sqrt{n+1} < 2n + 1$ for all positive integers.
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Jan
2
revised If a is not relatively prime to n prove modulo property
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Jan
2
revised Solve in integers: $x^2 = y^2 + y + 1$
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Jan
2
revised Prove that $x^2 + y^2 = 3(z^2 + m^2)$ has no solutions in integer
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Jan
2
revised Is this version of Lagrange's four-square theorem true?
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Jan
2
revised Solve $x^4 - 2x^3 + x = y^4 + 3y^2 + y \wedge (x,y) \in \mathbb{Z}^2$
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Jan
2
revised Calculate $\log_{a}(ab)$, when $\log_{ab}(b)$ is known
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Jan
2
revised Determine the number of integral solutions of the equation
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Jan
2
revised Why Is $y^{-1}$ = $\frac{1}{y^1}$?
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Jan
2
revised Can the difference of two Harmonic numbers be an integer?
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Jan
2
revised step function which is function of the variables
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Jan
2
revised Prove that the function is continuous at n where n is an integer, but discontinuous elsewhere.
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Jan
2
revised Solution to the heat equation with mixed boundary conditions and step function.
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Jan
2
revised Using dirac delta functions to get $h(t)$ that satisfies $[u(t+1/2)-u(t-1/2)] \ast h(t) = [u(t+6)-u(t+2)]$ where $u(t)$ is unit-step function
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Jan
2
revised Calculating integral of step function
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Jan
2
revised Convolution of sine and unit step function
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