Helmut Länger

1.6k total citations
161 papers, 1.0k citations indexed

About

Helmut Länger is a scholar working on Computational Theory and Mathematics, Artificial Intelligence and Management Science and Operations Research. According to data from OpenAlex, Helmut Länger has authored 161 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 80 papers in Computational Theory and Mathematics, 33 papers in Artificial Intelligence and 24 papers in Management Science and Operations Research. Recurrent topics in Helmut Länger's work include Advanced Algebra and Logic (77 papers), Rough Sets and Fuzzy Logic (36 papers) and Logic, Reasoning, and Knowledge (27 papers). Helmut Länger is often cited by papers focused on Advanced Algebra and Logic (77 papers), Rough Sets and Fuzzy Logic (36 papers) and Logic, Reasoning, and Knowledge (27 papers). Helmut Länger collaborates with scholars based in Austria, Czechia and Germany. Helmut Länger's co-authors include Ivan Chajda, B. Thorell, Radomír Halaš, Maciej Ma̧czyński, Lothar Schneider, H. Versmold, Kurt Hamdorf, Christian J. Hoffmann, G. Struwe and Reinhard Pöschel and has published in prestigious journals such as Nature, SHILAP Revista de lepidopterología and Annals of the Rheumatic Diseases.

In The Last Decade

Helmut Länger

141 papers receiving 929 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Helmut Länger Austria	17	354	235	154	138	110	161	1.0k
Wolfgang Fuchs United States	20	94 0.3×	93 0.4×	24 0.2×	38 0.3×	11 0.1×	63	1.4k
Winfried Just United States	14	131 0.4×	12 0.1×	38 0.2×	66 0.5×	42 0.4×	65	578
Robert C. Busby United States	17	101 0.3×	7 0.0×	32 0.2×	33 0.2×	108 1.0×	58	1.3k
Nils A. Baas Norway	11	120 0.3×	108 0.5×	30 0.2×	64 0.5×	5 0.0×	37	585
Tau‐Mu Yi United States	18	85 0.2×	144 0.6×	22 0.1×	61 0.4×	19 0.2×	40	1.8k
A. H. Louie Canada	15	84 0.2×	10 0.0×	69 0.4×	72 0.5×	2 0.0×	58	586
Stanley C. Williams United States	14	164 0.5×	14 0.1×	8 0.1×	24 0.2×	102 0.9×	26	842
Attila Csikász‐Nagy United Kingdom	25	93 0.3×	87 0.4×	23 0.1×	42 0.3×	30 0.3×	81	2.8k
Máté Szalay Hungary	13	201 0.6×	33 0.1×	8 0.1×	18 0.1×	22 0.2×	20	1.1k
Ichiro Shimada Japan	17	51 0.1×	368 1.6×	1 0.0×	38 0.3×	111 1.0×	100	1.1k

Countries citing papers authored by Helmut Länger

Since Specialization

Citations

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

Fields of papers citing papers by Helmut Länger

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Helmut Länger

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

All Works

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20 of 20 papers shown

Chajda, Ivan & Helmut Länger. (2023). Extensions and Congruences of Partial Lattices. Mathematica Slovaca. 73(2). 289–304. 1 indexed citations

Chajda, Ivan & Helmut Länger. (2023). Tense Logic Based on Finite Orthomodular Posets. International Journal of Theoretical Physics. 62(4).

Chajda, Ivan & Helmut Länger. (2023). Algebraic structures formalizing the logic with unsharp implication and negation. Logic Journal of IGPL. 33(1). 36–48.

Chajda, Ivan & Helmut Länger. (2022). Implication in finite posets with pseudocomplemented sections. Soft Computing. 26(13). 5945–5953. 2 indexed citations

Chajda, Ivan, Radomír Halaš, & Helmut Länger. (2018). Operations and structures derived from non-associative MV-algebras. Soft Computing. 23(12). 3935–3944. 16 indexed citations

Chajda, Ivan & Helmut Länger. (2018). Commutative rings whose ideal lattices are complemented. Asian-European Journal of Mathematics. 12(3). 1950039–1950039. 1 indexed citations

Chajda, Ivan & Helmut Länger. (2018). Ideals and their complements in commutative semirings. Soft Computing. 23(14). 5385–5392. 1 indexed citations

Chajda, Ivan & Helmut Länger. (2017). On the Structure of Pseudo-BCK Algebras.. 28. 179–188.

Chajda, Ivan & Helmut Länger. (2017). When does a generalized Boolean quasiring become a Boolean ring?. Soft Computing. 22(20). 6877–6879. 1 indexed citations

10.

Chajda, Ivan, et al.. (2015). Multiplicatively idempotent semirings. Mathematica Bohemica. 140(1). 35–42. 6 indexed citations

11.

Chajda, Ivan & Helmut Länger. (2011). Directoids : an algebraic approach to ordered sets. 14 indexed citations

12.

Länger, Helmut, et al.. (2010). On the structure of numerical event spaces.. Kybernetika. 46(6). 971–981. 7 indexed citations

13.

Chajda, Ivan & Helmut Länger. (2009). A Cayley theorem for distributive lattices. Algebra Universalis. 60(3). 365–367. 4 indexed citations

14.

Chajda, Ivan, Helmut Länger, & Maciej Ma̧czyński. (2004). Ring-like structures corresponding to generalized orthomodular lattices. Mathematica Slovaca. 54(2). 143–150. 7 indexed citations

15.

Länger, Helmut. (1997). Nonnegative solutions of algebraic Riccati equations. Linear Algebra and its Applications. 261. 317–352. 3 indexed citations

16.

Länger, Helmut & Maciej Ma̧czyński. (1995). On a characterization of probability measures on Boolean algebras and some orthomodular lattices. Mathematica Slovaca. 45(5). 455–468. 2 indexed citations

17.

Loidl, Josef & Helmut Länger. (1993). Evaluation of models of homologue search with respect to their efficiency on meiotic pairing. Heredity. 71(4). 342–351. 8 indexed citations

18.

Länger, Helmut. (1988). A characterization of full function algebras. Journal of Algebra. 119(2). 261–264. 2 indexed citations

19.

Anton‐Erxleben, Friederike & Helmut Länger. (1988). Functional morphology of the ommatidia in the compound eye of the moth, Antheraea polyphemus (Insecta, Saturniidae). Cell and Tissue Research. 252(2). 385–96. 13 indexed citations

20.

Länger, Helmut & Reinhard Pöschel. (1984). Relational systems with trivial endomorphisms and polymorphisms. Journal of Pure and Applied Algebra. 32(2). 129–142. 20 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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