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arXiv 1101.0112cs.LO
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Weihrauch-reducer的度结构

The degree structure of Weihrauch-reducibility

Kojiro Higuchi, Arno Pauly

摘要:

我们回答了一个问题,由瓦斯科Brattka和Guido Gherardi证明,Weihrauch格不是一个Brouwer代数。可计算Weihrauch-格也不是Heyting代数,但连续Weihrauch-格是。我们进一步研究了无限下确界和上确界的存在性,以及Medvedev度嵌入到Weihrauch-degrees中。

英文摘要:

We answer a question by Vasco Brattka and Guido Gherardi by proving that the Weihrauch-lattice is not a Brouwer algebra. The computable Weihrauch-lattice is also not a Heyting algebra, but the continuous Weihrauch-lattice is. We further investigate the existence of infinite infima and suprema, as well as embeddings of the Medvedev-degrees into the Weihrauch-degrees.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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