We formalize and prove the folklore theorems that Booth recoding improves the cost and cycle time of`standard' multipliers by certain constant factors. We also analyze the number of full adders in certain 4/2-trees.

This is a list of open problems, mainly in graph theory and all with an algebraic flavour. Except for 6.1, 7.1 and 12.2 they are either folklore, or are stolen from other people. AMS Classification Number: 05E99

This article discusses the historical basis of creation symbolic images associated with color in Uzbek literature, role folklore folklore. Symbolic serve to enhance art, charm and impact folk songs. In songs, symbols have been explored using examples as a means expressing ideas clearly, succinctly, figuratively.