Journal of Complexity
Two P-complete problems in the theory of the reals
Journal of Complexity
Separation of complexity classes in Koiran's weak model
Selected papers of the workshop on Continuous algorithms and complexity
A weak version of the Blum, Shub, and Smale model
Journal of Computer and System Sciences - Special issue: dedicated to the memory of Paris Kanellakis
Complexity and real computation
Complexity and real computation
Small-space analogues of Valiant's classes
FCT'09 Proceedings of the 17th international conference on Fundamentals of computation theory
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We propose a new complexity measure of space for the BSS model of computation. We define LOGSPACEW and PSPACEW complexity classes over the reals. We prove that LOGSPACEW is included in ${\sf NC}^2_{\mathbb{R}} \cap {\sf P}_W$, i.e. is small enough for being relevant. We prove that the Real Circuit Decision Problem is Pℝ-complete under LOGSPACEW reductions, i.e. that LOGSPACEW is large enough for containing natural algorithms. We also prove that PSPACEW is included in PARℝ.