Concepedia

Waldemar Ratajczak

WR

7

Publications

1.6K

Citations

7

H-Index

1993

Active since

Affiliations

Adam Mickiewicz University in Poznań(Current)

Alexandru Ioan Cuza University

Open University of the Netherlands

Poznań University of Technology

Waldemar Ratajczak is an author at Adam Mickiewicz University in Poznań specializing in social sciences, geography, and urban planning.

Top concepts

Social SciencesGeographyUrban PlanningUrban GeographyTradeFinanceBusinessEconomicsSociologyData Mining

Publications per year

1993–2023

7

Publications

7

Principal components analysis (PCA)

Andrzej Maćkiewicz, Waldemar Ratajczak · Computers & Geosciences · 1993 · 1.5K citations

Engineering, Data Science, Data Mining +3

Towards a new definition of topological accessibility

Andrzej Maćkiewicz, Waldemar Ratajczak · Transportation Research Part B Methodological · 1996 · 58 citations

Architectural Design, Set-theoretic Topology, Topological Property +4

Gravitational Analysis in Regional Science and Spatial Economics: A Vector Gradient Approach to Trade

Peter Nijkamp, Waldemar Ratajczak · International Regional Science Review · 2020 · 29 citations

International Economics, Trade, Social Sciences +18

Spatio-temporal principal component analysis

Mirosław Krzyśko, Peter Nijkamp, Waldemar Ratajczak et al. · Spatial Economic Analysis · 2023 · 20 citations · Full text

Self-Organisation in Spatial Systems—From Fractal Chaos to Regular Patterns and Vice Versa

M. Banaszak, Michał Dzięcielski, Peter Nijkamp et al. · PLoS ONE · 2015 · 16 citations · Full text

Urban Science, Social Sciences, Self-organizing System +16

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