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Waldemar Ratajczak

Orcid: 0000-0002-0565-0761

According to our database1, Waldemar Ratajczak authored at least 3 papers between 2022 and 2024.

Collaborative distances:
  • Dijkstra number2 of six.
  • Erdős number3 of six.

Timeline

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Links

On csauthors.net:

Bibliography

2024
Economic hierarchical spatial systems - new properties of Löschian numbers.
[BibTeX]
[DOI]
Jerzy Kaczorowski
,
Waldemar Ratajczak
,
Peter Nijkamp
,
Krzysztof Górnisiewicz
Appl. Math. Comput., January, 2024

2023
A novel Spatio-temporal principal component analysis based on Geary's contiguity ratio.
[BibTeX]
[DOI]
Miroslaw Krzysko
,
Peter Nijkamp
,
Waldemar Ratajczak
,
Waldemar Wolynski
,
Andrzej Wojtyla
,
Beata Wenerska
Comput. Environ. Urban Syst., 2023

2022
Multidimensional economic indicators and multivariate functional principal component analysis (MFPCA) in a comparative study of countries' competitiveness.
[BibTeX]
[DOI]
Miroslaw Krzysko
,
Peter Nijkamp
,
Waldemar Ratajczak
,
Waldemar Wolynski
J. Geogr. Syst., 2022


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