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Visibly Pushdown Languages over Sliding Windows

Author Moses Ganardi

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LIPIcs.STACS.2019.29.pdf
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ACM Subject Classification
  • Theory of computation → Streaming models
Keywords
  • visibly pushdown languages
  • sliding windows
  • rational transductions

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Abstract

We investigate the class of visibly pushdown languages in the sliding window model. A sliding window algorithm for a language L receives a stream of symbols and has to decide at each time step whether the suffix of length n belongs to L or not. The window size n is either a fixed number (in the fixed-size model) or can be controlled by an adversary in a limited way (in the variable-size model). The main result of this paper states that for every visibly pushdown language the space complexity in the variable-size sliding window model is either constant, logarithmic or linear in the window size. This extends previous results for regular languages.

Cite As Get BibTex

Moses Ganardi. Visibly Pushdown Languages over Sliding Windows. In 36th International Symposium on Theoretical Aspects of Computer Science (STACS 2019). Leibniz International Proceedings in Informatics (LIPIcs), Volume 126, pp. 29:1-29:17, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019) https://doi.org/10.4230/LIPIcs.STACS.2019.29

Author Details

Moses Ganardi
  • Universität Siegen, Germany

Funding

The author is supported by the DFG project LO 748/13-1.

References

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