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You’re at the checkout screen after an online shopping spree, ready to enter your credit card number. You type it in and ...
All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn ...
For example, it took researchers two years recently to factor a 232-digit number, even with hundreds of parallel computers. That’s why the RSA algorithm is so effective.
SIAM Journal on Numerical Analysis, Vol. 16, No. 6 (Dec., 1979), pp. 964-979 (16 pages) Splitting algorithms for the sum of two monotone operators. We study two splitting algorithms for (stationary ...