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The Efficiency of Polish Stock Market: Ordinal Patterns Approach

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Graff G., Kaczkowska A.

Acta Physica Polonica A

2013

vol. 123

issue 3

526-528

Zunino et al. analyzed the problem of discrimination of developed and emergent markets by the use of ordinal patterns methods: number of forbidden patterns and ordinal pattern probability distribution as a basis for entropy and statistical measure of complexity. In this paper we apply the same methodology for the analysis of Polish stock market (index WIG). The results indicate that Polish market belongs neither to developed, nor to emergent groups of markets. It represents hybrid market, the third group distinguished in the paper by Zunino et al.

From Colorings to Weavings

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Miro E., Garciano A., Zambrano A.

Acta Physica Polonica A

2014

vol. 126

issue 2

560-563

We present a methodology for constructing weavings from 2-colorings of the plane. In particular, we consider tilings T of the plane by triangles and their corresponding triangle groups G. We derive 2-colorings of T using the index 2 subgroups of G.

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2 Acta Physica Polonica A

1 2014

1 2013

1 Garciano A.

1 Graff G.

1 Kaczkowska A.

1 Miro E.

1 Zambrano A.

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The Efficiency of Polish Stock Market: Ordinal Patterns Approach

From Colorings to Weavings