Complex sentence: In computer science, the AF-heap is a form of the Fibonacci heap, an extension of the fusion tree using an atomic heap and was a proposal by M. L. Fredman and D. E. Willard M. L. Fredman and D. E. Willard.
Split into simpler sentences: In computer science, the AF-heap is a form of the Fibonacci heap, an extension of the fusion tree using an atomic heap. It was a proposed by M. L. Fredman and D. E. Willard M. L. Fredman and D. E. Willard.