Labels:text | diagram | line OCR: Crossover between algebraic expressions Algebraic notation: a1 > b1 *c1 a2 + b2 < c2 gives 82 + b2 > b1* c1 Binary tree notation: a1 C 02 a2 b2 gives - b2 h1 c1 THE BINARY TREE is well-studied data structure that supports the crossover process in a natural way.