Consider the elliptic-curve group defined by { (x,y) | x,y ∈ Z7 and x2 mod 7 = x3 + 2x +3 mod 7 } (ie, the group you get when a=2, b=3, and p=7). What is (2,1) + (2,1) in this group?
Consider the elliptic-curve group defined by { (x,y) | x,y ∈ Z7 and x2 mod 7 = x3 + 2x +3 mod 7 } (ie, the group you get when a=2, b=3, and p=7). What is (2,1) + (2,1) in this group?
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.2: Integral Domains And Fields
Problem 24E: If a0 in a field F, prove that for every bF the equation ax=b has a unique solution x in F. [Type...
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Consider the elliptic-curve group defined by { (x,y) | x,y ∈ Z7 and x2 mod 7 = x3 + 2x +3 mod 7 } (ie, the group you get when a=2, b=3, and p=7).
What is (2,1) + (2,1) in this group?
Write your answer as an ordered pair of integers with no spaces.
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