H. Sachs

5.1k total citations · 2 hit papers
57 papers, 3.0k citations indexed

About

H. Sachs is a scholar working on Computational Theory and Mathematics, Geometry and Topology and Organic Chemistry. According to data from OpenAlex, H. Sachs has authored 57 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Computational Theory and Mathematics, 12 papers in Geometry and Topology and 5 papers in Organic Chemistry. Recurrent topics in H. Sachs's work include Graph theory and applications (10 papers), Advanced Graph Theory Research (8 papers) and Reproductive System and Pregnancy (4 papers). H. Sachs is often cited by papers focused on Graph theory and applications (10 papers), Advanced Graph Theory Research (8 papers) and Reproductive System and Pregnancy (4 papers). H. Sachs collaborates with scholars based in Germany, Belgium and United Kingdom. H. Sachs's co-authors include Michael Doob, Dragoš Cvetković, Mikhina Vs, Peter E. John, H.-E. Stegner, Michael Stiebitz, Charles W. Orr, Timothy J. McDonald, James D. Ebert and Maolin Zheng and has published in prestigious journals such as Experimental Cell Research, Intensive Care Medicine and Journal of Cancer Research and Clinical Oncology.

In The Last Decade

H. Sachs

50 papers receiving 2.7k citations

Hit Papers

align trajectories

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.

Spectra of graphs : theory and application

1995 1.3k citations H. Sachs et al. profile →
Spectra of graphs

1980 1.1k citations H. Sachs et al. profile →

Peers

H. Sachs

GT

CTM

OC

DMC

EEE

Michael Doob Canada

Russell Merris United States

Willem H. Haemers Netherlands

Slobodan Simić Serbia

Dragoš Cvetković Serbia

Bojan Mohar Slovenia

Robert Grone United States

Brendan D. McKay Australia

R.B. Bapat India

Wilfried Imrich Austria

Michael Doob Canada

H. Sachs

2.1k ×1.0

GT

1.7k ×1.0

CTM

682 ×0.9

OC

688 ×1.0

DMC

305 ×1.1

EEE

Citations per year, relative to H. Sachs H. Sachs (= 1×) peers Michael Doob

Countries citing papers authored by H. Sachs

Since Specialization

Citations

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

Fields of papers citing papers by H. Sachs

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of H. Sachs

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

John, Peter E. & H. Sachs. (2008). Spectra of toroidal graphs. Discrete Mathematics. 309(9). 2663–2681. 13 indexed citations

2.

Kirby, E. C., et al.. (2004). A Theorem for Counting Spanning Trees in General Chemical Graphs and Its Particular Application to Toroidal Fullerenes. Croatica Chemica Acta. 77. 263–278. 14 indexed citations

3.

Fowler, Patrick W., Peter E. John, & H. Sachs. (2000). (3-6)-cages, hexagonal toroidal cages, and their spectra. 139–174. 17 indexed citations

4.

John, Peter E. & H. Sachs. (2000). On a strange observation in the theory of the dimer problem. Discrete Mathematics. 216(1-3). 211–219. 4 indexed citations

5.

Hansen, Pierre, Maolin Zheng, & H. Sachs. (1994). Kekule Count in Tubular Hydrocarbons. Les Cahiers du GERAD. 1–77. 12 indexed citations

6.

Sachs, H.. (1994). Elementary Proof of the Cycle-Plus-Triangles Theorem. Les Cahiers du GERAD. 1–15. 12 indexed citations

7.

Sachs, H., et al.. (1994). Remark on the dimer problem. Discrete Applied Mathematics. 51(1-2). 171–179. 22 indexed citations

8.

Sachs, H. & Michael Stiebitz. (1989). On constructive methods in the theory of colour-critical graphs. Discrete Mathematics. 74(1-2). 201–226. 13 indexed citations

9.

Sachs, H.. (1985). Graphs, hypergraphs, and applications : proceedings of the Conference on Graph Theory held in Eyba, October 1th [sic] to 5th, 1984. 4 indexed citations

10.

Sachs, H., et al.. (1976). Histologischer Tumortyp, DNS-Gehalt und Chromatinstruktur der Mammakarzinome mit positivem und negativem 17-?-�stradiol-Rezeptor-Nachweis. Archives of Gynecology and Obstetrics. 221(4). 323–338. 3 indexed citations

11.

Sachs, H., et al.. (1974). Zytofotometrisch ermittelter DNS-Gehalt im normalen, hyperplastischen und karzinomat�sen menschlichen Endometrium. Archives of Gynecology and Obstetrics. 217(4). 349–365. 6 indexed citations

12.

Sachs, H., et al.. (1973). Feulgen DNS-Cytophotometrie an Zellabstrichen der Cervix uteri. Archives of Gynecology and Obstetrics. 215(2). 171–186. 1 indexed citations

13.

Sachs, H., et al.. (1972). [Epidemiology of breast cancer].. PubMed. 13(8). 326–31. 1 indexed citations

14.

Sachs, H., et al.. (1972). Cytophotometrische Untersuchungen an Epitheldysplasien des Collum uteri. Archives of Gynecology and Obstetrics. 212(2). 97–129. 23 indexed citations

15.

Sachs, H., et al.. (1972). Scanning-mikroskopisch-cytophotometrische Untersuchungen an Dysplasien des Collum uteri. Archives of Gynecology and Obstetrics. 212(4). 401–412. 9 indexed citations

16.

Sachs, H., et al.. (1971). Einführung in die Theorie der endlichen Graphen. 37 indexed citations

17.

Sachs, H.. (1968). Quantitativ histochemische Untersuchung des Endometrium in der Schwangerschaft und der Placenta (Cytophotometrische Messungen). Archives of Gynecology and Obstetrics. 205(2). 93–104. 3 indexed citations

18.

Sachs, H.. (1968). Quantitativ histochemische Untersuchungen an den Granulosaluteinzellen des menschlichen Ovars. Archives of Gynecology and Obstetrics. 205(2). 105–109.

19.

Sachs, H.. (1966). Quantitativ histochemische Untersuchungen am experimentellen Deziduom der Ratte. Archives of Gynecology and Obstetrics. 203(5). 474–484. 2 indexed citations

20.

Maaß, H. & H. Sachs. (1963). Zur geographischen Verteilung des Collumcarcinoms. Archives of Gynecology and Obstetrics. 198(1). 619–623. 2 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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