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### Questions (81)

 65 Does Fermat's Last Theorem hold for cyclotomic integers in $\mathbb{Q(\zeta_{37})}$? 49 Golden Number Theory 47 What's the goal of mathematics? 36 Alternative proof that $(a^2+b^2)/(ab+1)$ is a square when it's an integer 27 Diophantine applications of Spec?

### Reputation (6,390)

 +5 Counting solutions of a cubic congruence using Gauss sums +5 How to solve polynomials? +5 Applications of cubic in number theory? +5 Lattice of Gauss and Eisenstein Integers

 60 Quotient ring of Gaussian integers 32 Need a result of Euler that is simple enough for a child to understand 25 Mandelbrot fractal: How is it possible? 17 Fibonacci sequence divisible by 7? 17 Prove $\gcd(a+b, a-b) = 1$ or $\gcd(a+b, a-b) = 2$ if $\gcd(a,b) = 1$

### Tags (88)

 67 abstract-algebra × 9 41 number-theory × 47 67 ring-theory × 4 36 combinatorics × 5 60 gaussian-integers 28 algebra-precalculus × 10 60 ideals 28 fractals × 2 51 elementary-number-theory × 15 26 divisibility × 3

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 Mathematics 6,390 rep 12665 MathOverflow 328 rep 29 Stack Overflow 255 rep 129 Theoretical Computer Science 161 rep 4 Meta Stack Exchange 141 rep 2