Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...
Some scientific discoveries matter because they reveal something new — the double helical structure of DNA, for example, or the existence of black holes. However, some revelations are profound because ...
Avi Wigderson and László Lovász will share the annual prize that aims to be something like the Nobel for mathematics. By Kenneth Chang Two mathematicians will share this year’s Abel Prize — regarded ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback