关于乘指数一次写的图灵机
On multiply-exponential write-once Turing machines
摘要:
在这项工作中,我们分析了一次写的【形】图灵机,即机器,可以写入一个给定的磁带单元最多一次的乘法指数复杂性类。我们证明了$k$ -DExpWOSpace = $k$ -DExpWOTime = $k$ -ExpTime和非确定性对应。对于交替机,我们证明了$k$ -AExpWOTime = $k$ -AExpTime = $k-1$ -ExpSpace。
英文摘要:
In this work we analyze the multiply-exponential complexity classes for write-once Turing machines, i.e. machines that can write to a given tape cell at most once. We show that $k$-DExpWOSpace = $k$-DExpWOTime = $k$-ExpTime and the nondeterministic counterpart. For alternating machines we show that $k$-AExpWOTime = $k$-AExpTime = $k-1$-ExpSpace.
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