Locality of order-invariant first-order formulas
Locality of order-invariant first-order formulas
复制标题
阶不变一阶公式的局部性
DOI:
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发表时间:
1998
期刊:
影响因子:
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通讯作者:
T. Schwentick
中科院分区:
文献类型:
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作者:
Martin Grohe;T. Schwentick
A query is <italic>local</italic> if the decision of whether a tuple in a structure satisfies this query only depends on a small neighborhood of the tuple. We prove that all queries expressible by <italic>order-invariant</italic> first-order formulas are local.