This map shows the geographic impact of E.J. Spee's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by E.J. Spee with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites E.J. Spee more than expected).
This network shows the impact of papers produced by E.J. Spee. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by E.J. Spee. The network helps show where E.J. Spee may publish in the future.
Co-authorship network of co-authors of E.J. Spee
This figure shows the co-authorship network connecting the top 25 collaborators of E.J. Spee.
A scholar is included among the top collaborators of E.J. Spee based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with E.J. Spee. E.J. Spee is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Verwer, J.G., E.J. Spee, Joke Blom, & Willem Hundsdorfer. (1997). A second order Rosenbrock method applied to photochemical dispersion problems. Data Archiving and Networked Services (DANS). 1–24.8 indexed citations
Spee, E.J., et al.. (1997). A numerical study for global atmospheric transport-chemistry problems. Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands. 1–27.8 indexed citations
7.
Sandu, Adrian, J.G. Verwer, J.G. Blom, E.J. Spee, & Gregory R. Carmichael. (1996). Benchmarking Stiff ODE Solvers for Atmospheric Chemistry Problems II: Rosenbrock Methods. UvA-DARE (University of Amsterdam).9 indexed citations
8.
Spee, E.J., et al.. (1996). Vectorization and Parallelization of a Numerical Scheme for 3D Global Atmospheric Transport Chemistry Problems. Data Archiving and Networked Services (DANS). 1–24.3 indexed citations
9.
Sandu, Adrian, J.G. Verwer, Joke Blom, E.J. Spee, & Gregory R. Carmichael. (1996). Benchmarking stiff ODE solvers for atmorspheric chemistry problems II: Rosenbrock solvers. Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands. 1–20.4 indexed citations
Verwer, J.G., et al.. (1995). A comparison of stiff ODE solvers for atmospheric chemistry problems. Data Archiving and Networked Services (DANS). 1–20.2 indexed citations
12.
Spee, E.J.. (1995). Coupling advection and chemical kinetics in a global atmospheric test model. Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands. 1–10.4 indexed citations
Hundsdorfer, Willem & E.J. Spee. (1994). Dimensional splitting with unconditional stability for advection on a sphere. Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands. 1–15.1 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.