Waldemar Ratajczak - Publications, H-index & Citations

Waldemar Ratajczak

university of texas system

8H指数

42论文数

1.7K被引数

收录论文 7

发表时间

The Use of the Getis-Ord Index in a Spatio-temporal Principal Component Analysis of Interdependent Spatial systems 利用Getis-Ord指数进行相互依赖空间系统的时空主成分分析

NETWORKS & SPATIAL ECONOMICS

IF1.5

2026-01-01

PREAI

Krzysko, Miroslaw; Wojtyla, Andrzej; Nijkamp, Peter; Ratajczak, Waldemar; Wolynski, Waldemar; Gornisiewicz, Krzysztof; Griffith, Daniel

Measuring the similarity of charts in graphical statistics

SCIENTIFIC REPORTS

IF3.9

2024-03-22

OAAI

Gornisiewicz, Krzysztof; Palka, Zbigniew; Ratajczak, Waldemar

Economic hierarchical spatial systems - new properties of Löschian numbers 经济等级空间系统 -- l ö schian数的新特性

APPLIED MATHEMATICS AND COMPUTATION

IF3.4

2024-01-01

OAAI

Kaczorowski, Jerzy; Ratajczak, Waldemar; Nijkamp, Peter; Gornisiewicz, Krzysztof

A novel Spatio-temporal principal component analysis based on Geary's contiguity ratio 基于Geary邻接率的时空主成分分析

COMPUTERS ENVIRONMENT AND URBAN SYSTEMS

IF8.3

2023-07-01

OAAI

Krzys, Miroslaw; Nijkamp, Peter; Ratajczak, Waldemar; Wolynski, Waldemar; Wojtyla, Andrzej; Wenerska, Beata

Fractal dimension complexity of gravitation fractals in central place theory 中心位置理论中引力分形的分形维数复杂性

SCIENTIFIC REPORTS

IF3.9

2023-02-09

OAAI

Banaszak, Michal; Gornisiewicz, Krzysztof; Nijkamp, Peter; Ratajczak, Waldemar

Basins of attraction around large cities-A study of urban interaction spaces in Europe 大城市周围的吸引力盆地-欧洲城市互动空间研究

CITIES

IF6.6

2021-12-01

PREAI

Dziecielski, Michal; Kourtit, Karima; Nijkamp, Peter; Ratajczak, Waldemar

Towards a new definition of topological accessibility

TRANSPORTATION RESEARCH PART B-METHODOLOGICAL

IF6.3

1996-02-01

PREAI

Mackiewicz, A; Ratajczak, W

研究方向