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Arithmetic Branching Programs with Memory
Zitatschlüssel	M-Arithmetic-Branching-Programs-With-Memory
Autor	Stefan Mengel
Buchtitel	Mathematical foundations of computer science 2013
Seiten	667-678
Jahr	2013
DOI	10.1007/978-3-642-40313-2_59
Jahrgang	8087
Verlag	Springer, Heidelberg
Zusammenfassung	We extend the well known characterization of VP_ws as the class of polynomials computed by polynomial size arithmetic branching programs to other complexity classes. In order to do so we add additional memory to the computation of branching programs to make them more expressive. We show that allowing different types of memory in branching programs increases the computational power even for constant width programs. In particular, this leads to very natural and robust characterizations of VP and VNP by branching programs with memory.