# Ali Amiri

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bio website aliakhamiri.blogspot.com location Tehran, Iran age 26 member for 2 years, 11 months seen Dec 17 at 6:22 profile views 162

You can find me in linkedin

Also you could find me in top of that structure (my picture) :D

 10 Proving that either $2^n-1$ or $2^n+1$ is not prime 5 Checkerboard coloring problem 4 Absolute value around numbers Example: y = 2|x + 2| 3 Simple graph with odd circuit can't be 2-colored. 3 Prove $O(x)+O(x^2)=O(x^2)$ (Big O Notation)

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# 4 Questions

 14 If $m^2 = (a+1)^3 - a^3$, then $m$ is the sum of two squares. 8 if $m^2 = a^3 - b^3$, then $m$ is the sum of two squares. 3 number of table with $1$ and $-1$ 1 What should be in a discrete mathematics book? [closed]

# 17 Tags

 12 prime-numbers × 2 4 proof-strategy × 2 9 elementary-number-theory × 2 4 algebra-precalculus 7 graph-theory × 4 4 arithmetic 5 combinatorics × 2 3 number-theory × 4 5 matrices 3 induction

# 16 Accounts

 Stack Overflow 2,062 rep 21632 Mathematics 692 rep 315 Area 51 151 rep 2 Computer Science 123 rep 6 Meta Stack Exchange 119 rep 4