Christoph Witzgall

6.3k total citations · 2 hit papers
44 papers, 4.4k citations indexed

About

Christoph Witzgall is a scholar working on Computational Theory and Mathematics, Computer Vision and Pattern Recognition and Aerospace Engineering. According to data from OpenAlex, Christoph Witzgall has authored 44 papers receiving a total of 4.4k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Computational Theory and Mathematics, 9 papers in Computer Vision and Pattern Recognition and 8 papers in Aerospace Engineering. Recurrent topics in Christoph Witzgall's work include 3D Surveying and Cultural Heritage (7 papers), Advanced Optimization Algorithms Research (7 papers) and Advanced Numerical Analysis Techniques (6 papers). Christoph Witzgall is often cited by papers focused on 3D Surveying and Cultural Heritage (7 papers), Advanced Optimization Algorithms Research (7 papers) and Advanced Numerical Analysis Techniques (6 papers). Christoph Witzgall collaborates with scholars based in United States, Germany and Australia. Christoph Witzgall's co-authors include R. Fletcher, Josef Stoer, Geraldine S. Cheok, Friedrich L. Bauer, Douglas R. Shier, C. K. Mesztenyi, Marek Franaszek, William C. Stone, John R. Rice and John Hart and has published in prestigious journals such as Communications of the ACM, Mathematics of Computation and Automation in Construction.

In The Last Decade

Christoph Witzgall

42 papers receiving 4.0k citations

Hit Papers

Practical Methods of Optimization. 1970 2026 1988 2007 1989 1970 500 1000 1.5k 2.0k 2.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Practical Methods of Optimization.
    1989 2.9k citations Christoph Witzgall et al. profile →
  2. Convexity and Optimization in Finite Dimensions I
    1970 618 citations Josef Stoer, Christoph Witzgall CERN Document Server (European Organization for Nuclear Research) profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Christoph Witzgall United States 16 1.3k 935 733 601 512 44 4.4k
R. Ian Fletcher United States 5 676 0.5× 592 0.6× 682 0.9× 631 1.0× 496 1.0× 10 3.8k
Víctor Pereyra United States 23 703 0.5× 781 0.8× 601 0.8× 353 0.6× 987 1.9× 81 3.9k
Vijay K. Rohatgi India 25 2.3k 1.7× 906 1.0× 987 1.3× 1.2k 2.0× 353 0.7× 142 6.9k
T. N. E. Greville United States 17 2.4k 1.8× 1.1k 1.2× 925 1.3× 529 0.9× 522 1.0× 36 5.0k
Charles Van Loan United States 21 2.1k 1.6× 1.5k 1.6× 905 1.2× 592 1.0× 788 1.5× 42 6.1k
Jean Charles Gilbert France 19 1.0k 0.8× 1.2k 1.3× 566 0.8× 386 0.6× 893 1.7× 54 4.7k
J. B. Rosen United States 27 1.4k 1.0× 1.4k 1.5× 746 1.0× 427 0.7× 416 0.8× 92 3.5k
J. Douglas Faires United States 5 630 0.5× 826 0.9× 540 0.7× 339 0.6× 802 1.6× 8 5.3k
David F. Shanno United States 32 1.9k 1.4× 2.1k 2.3× 759 1.0× 570 0.9× 756 1.5× 65 6.5k
M. R. Osborne Australia 26 669 0.5× 767 0.8× 465 0.6× 414 0.7× 849 1.7× 126 3.5k

Countries citing papers authored by Christoph Witzgall

Since Specialization
Citations

This map shows the geographic impact of Christoph Witzgall'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 Christoph Witzgall with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Christoph Witzgall more than expected).

Fields of papers citing papers by Christoph Witzgall

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Christoph Witzgall. 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 Christoph Witzgall. The network helps show where Christoph Witzgall may publish in the future.

Co-authorship network of co-authors of Christoph Witzgall

This figure shows the co-authorship network connecting the top 25 collaborators of Christoph Witzgall. A scholar is included among the top collaborators of Christoph Witzgall 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 Christoph Witzgall. Christoph Witzgall is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Cheok, Geraldine S., et al.. (2008). Effect of scanning density on the accuracy of locating sphere centers for registration. 163–168. 1 indexed citations
2.
Witzgall, Christoph, Geraldine S. Cheok, & Anthony J. Kearsley. (2006). Recovering Spheres from 3D Point Data. 3. 8–8. 5 indexed citations
3.
Witzgall, Christoph, David E. Gilsinn, Marjorie A. McClain, et al.. (2006). An Examination of New Paradigms for Spline Approximations. Journal of Research of the National Institute of Standards and Technology. 111(2). 57–57. 2 indexed citations
4.
Stone, William C. & Christoph Witzgall. (2006). Evaluation of Aerodynamic Drag and Torque for External Tanks in Low Earth Orbit. Journal of Research of the National Institute of Standards and Technology. 111(2). 143–143. 6 indexed citations
5.
Witzgall, Christoph, et al.. (1999). Triangulation-Based L1-fitting of Terrain Surfaces. 1 indexed citations
6.
Estler, William T., Steven Phillips, Bruce R. Borchardt, et al.. (1996). Error compensation for CMM touch trigger probes. Precision Engineering. 19(2-3). 85–97. 67 indexed citations
7.
Domich, Paul D., Paul T. Boggs, Janet E. Rogers, & Christoph Witzgall. (1991). Optimizing over three-dimensional subspaces in an interior-point method for linear programming. Linear Algebra and its Applications. 152. 315–342. 5 indexed citations
8.
Bernal, Javier, et al.. (1987). Contour-to-grid interpolation with nonlinear finite elements : a feasibility study. US Army Corps of Engineers: Engineer Research and Development Center (Knowledge Core). 3 indexed citations
9.
Witzgall, Christoph, et al.. (1986). Non-Linear Contour-to-Grid Digital Interpolation,. 1 indexed citations
10.
Witzgall, Christoph, et al.. (1984). Projections onto order simplexes. Applied Mathematics & Optimization. 12(1). 247–270. 51 indexed citations
11.
Shier, Douglas R. & Christoph Witzgall. (1981). Properties of Labeling Methods for Determining Shortest Path Trees. Journal of Research of the National Bureau of Standards. 86(3). 317–317. 24 indexed citations
12.
Shier, Douglas R. & Christoph Witzgall. (1978). Norm approximation problems and norm statistics. Journal of Research of the National Bureau of Standards. 83(1). 71–71. 3 indexed citations
13.
Bayer, Raymond & Christoph Witzgall. (1972). Index ranges for matrix calculi. Communications of the ACM. 15(12). 1033–1039. 1 indexed citations
14.
Witzgall, Christoph. (1972). Fibonacci Search with Arbitrary First Evaluation. ˜The œFibonacci quarterly. 10(2). 113–134. 3 indexed citations
15.
Bayer, Rudolf & Christoph Witzgall. (1970). Some complete calculi for matrices. Communications of the ACM. 13(4). 223–237. 4 indexed citations
16.
Stoer, Josef & Christoph Witzgall. (1970). Convexity and Optimization in Finite Dimensions I. CERN Document Server (European Organization for Nuclear Research). 618 indexed citations breakdown →
17.
Wets, Roger J.‐B. & Christoph Witzgall. (1968). Towards an algebraic characterization of convex polyhedral cones. Numerische Mathematik. 12(2). 134–138. 6 indexed citations
18.
Wets, Roger J.‐B. & Christoph Witzgall. (1967). Algorithms for frames and lineality spaces of cones. 71B(1). 1–1. 35 indexed citations
19.
Stoer, Josef & Christoph Witzgall. (1962). Transformations by diagonal matrices in a normed space. Numerische Mathematik. 4(1). 158–171. 53 indexed citations
20.
Bauer, Friedrich L., Josef Stoer, & Christoph Witzgall. (1961). Absolute and monotonic norms. Numerische Mathematik. 3(1). 257–264. 118 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.

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