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 Jul2 awarded Curious Jun12 asked Minimize Energy using Gauss-Seidel method with successive over- relaxation. Jun3 awarded Tumbleweed May28 asked Learning a multivariate polynomial with dependent coefficients May27 asked Solving a set of equations Apr11 awarded Yearling Sep20 asked graph orientation with constraint on incoming degree Aug21 asked Determining the general form of $10^x \bmod 210$ Apr3 awarded Popular Question Mar23 accepted $x^4 - y^4 = 2z^2$ has no solution Mar22 comment $x^4 - y^4 = 2z^2$ has no solution yes they are district also Mar22 comment $x^4 - y^4 = 2z^2$ has no solution yah x,y,z are integers Mar22 asked $x^4 - y^4 = 2z^2$ has no solution Mar22 awarded Editor Mar22 revised solving $x^2 = a \pmod {2^n}$ , $n \ge 3$ added 4 characters in body Mar22 asked solving $x^2 = a \pmod {2^n}$ , $n \ge 3$ Mar19 awarded Nice Question Mar19 accepted Variation of Pythagorean triplets: $x^2+y^2 = z^3$ Mar19 comment Variation of Pythagorean triplets: $x^2+y^2 = z^3$ @ferson2020 thats correct but i would need to prove that 8^2, 64^2 ... can be expressed as a sum of 2 squares, which i think is not possible. Can you help me with that Mar19 comment Variation of Pythagorean triplets: $x^2+y^2 = z^3$ nope it is supposed to be z^3