A Measure of Space for Computing over the Reals
Résumé
We propose a new complexity measure of space for the BSS model of computation. We define LOGSPACE_W and PSPACE_W complexity classes over the reals. We prove that LOGSPACE_W is included in NC^2_R and in P_W, i.e. is small enough for being relevant. We prove that the Real Circuit Decision Problem is P_R-complete under LOGSPACE_W reductions, i.e. that LOGSPACE_W is large enough for containing natural algorithms. We also prove that PSPACE_W is included in PAR_R.
Domaines
Complexité [cs.CC]
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