Andreas Caranti
Reputation
41,887
328/400 score
3 26 67
Impact
~541k people reached

 78 How to prove that all odd powers of two add one are multiples of three 31 What is the pattern to this sequence? 22 If I know the order of every element in a group, do I know the group? 21 Finding :$x_1^8+x_2^8+\cdots+x_8^8$ 20 Applications of the Isomorphism theorems

Reputation (41,887)

 +55 Prove that matrix $A$ diagonalizable if $A^2=I$ using characteristic polynomial +15 Every permutation is a product of two permutations of order 2 +10 Multiple of 3 as Sum of 4 Cubes +10 An infinite union of closed sets is a closed set?

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Tags (220)

 1k abstract-algebra × 423 259 matrices × 83 1k group-theory × 432 167 field-theory × 61 501 linear-algebra × 190 162 ring-theory × 55 438 finite-groups × 158 146 galois-theory × 62 328 elementary-number-theory × 95 137 polynomials × 54

Accounts (13)

 Mathematics 41,887 rep 32667 MathOverflow 141 rep 3 Stack Overflow 101 rep 2 TeX - LaTeX 101 rep 2 Android Enthusiasts 101 rep 1