Abstract We give a C n lower bound for read-once-only branching programs computing an explicit Boolean function. For n = ( 2 ν , the function computes the parity of the number of triangles in a graph on ν vertices. This improves previous exp ( c √ n )) lower bounds for other graph functions by Wegener and Zak. The result implies a linear lower bound for the space complexity of this Boolean function on “eraser machines,” i.e., machines that erase each input bit immediately after having read it.
A Lower Bound for Read-Once-Only Branching Programs
L. Babai,P. Hajnal,E. Szemerédi,György Turán
Published 1987 in Journal of computer and system sciences (Print)
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- Publication year
1987
- Venue
Journal of computer and system sciences (Print)
- Publication date
1987-10-01
- Fields of study
Mathematics, Computer Science
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