Mark Feighn

1.8k total citations
25 papers, 741 citations indexed

About

Mark Feighn is a scholar working on Geometry and Topology, Mathematical Physics and Computational Theory and Mathematics. According to data from OpenAlex, Mark Feighn has authored 25 papers receiving a total of 741 indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Geometry and Topology, 15 papers in Mathematical Physics and 8 papers in Computational Theory and Mathematics. Recurrent topics in Mark Feighn's work include Geometric and Algebraic Topology (21 papers), semigroups and automata theory (8 papers) and Homotopy and Cohomology in Algebraic Topology (8 papers). Mark Feighn is often cited by papers focused on Geometric and Algebraic Topology (21 papers), semigroups and automata theory (8 papers) and Homotopy and Cohomology in Algebraic Topology (8 papers). Mark Feighn collaborates with scholars based in United States, Netherlands and Germany. Mark Feighn's co-authors include Mladen Bestvina, Michael Handel, Darryl McCullough and Geoffrey Mess and has published in prestigious journals such as Annals of Mathematics, Transactions of the American Mathematical Society and Inventiones mathematicae.

In The Last Decade

Mark Feighn

25 papers receiving 633 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Mark Feighn United States	13	707	570	236	183	72	25	741
Lee Mosher United States	16	566 0.8×	475 0.8×	106 0.4×	113 0.6×	111 1.5×	33	609
Ian Agol United States	11	492 0.7×	389 0.7×	132 0.6×	137 0.7×	89 1.2×	25	535
Martin Lustig France	14	433 0.6×	366 0.6×	134 0.6×	106 0.6×	38 0.5×	43	461
Zlil Sela Israel	15	711 1.0×	568 1.0×	241 1.0×	198 1.1×	45 0.6×	21	756
Hamish Short France	19	803 1.1×	524 0.9×	382 1.6×	293 1.6×	62 0.9×	31	860
Frédéric Haglund France	8	388 0.5×	316 0.6×	110 0.5×	100 0.5×	37 0.5×	14	421
Michah Sageev Israel	11	464 0.7×	389 0.7×	127 0.5×	123 0.7×	48 0.7×	22	494
Denis Osin United States	16	901 1.3×	805 1.4×	241 1.0×	296 1.6×	113 1.6×	53	988
Paul Biran Israel	13	447 0.6×	356 0.6×	57 0.2×	73 0.4×	69 1.0×	20	475
Β. H. Bowditch United Kingdom	10	351 0.5×	296 0.5×	59 0.3×	107 0.6×	53 0.7×	11	370

Countries citing papers authored by Mark Feighn

Since Specialization

Citations

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

Fields of papers citing papers by Mark Feighn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Mark Feighn

This figure shows the co-authorship network connecting the top 25 collaborators of Mark Feighn. A scholar is included among the top collaborators of Mark Feighn 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 Mark Feighn. Mark Feighn 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

Feighn, Mark & Michael Handel. (2025). The conjugacy problem for UPG elements ofOut(Fn). Geometry & Topology. 29(4). 1693–1817. 1 indexed citations

Bestvina, Mladen, Mark Feighn, & Michael Handel. (2023). A McCool Whitehead type theorem for finitely generated subgroups of Out ( F n ) . French digital mathematics library (Numdam). 6. 65–94. 1 indexed citations

Bestvina, Mladen & Mark Feighn. (2014). Subfactor projections. Journal of Topology. 7(3). 771–804. 7 indexed citations

Feighn, Mark & Michael Handel. (2011). The Recognition Theorem for $\mathrm{Out}(F_n)$. Groups Geometry and Dynamics. 5(1). 39–106. 16 indexed citations

Bestvina, Mladen & Mark Feighn. (2010). A hyperbolic Out(Fn)-complex. Groups Geometry and Dynamics. 4(1). 31–58. 13 indexed citations

Feighn, Mark. (2008). Abelian subgroups of Out(Fn). 10 indexed citations

Bestvina, Mladen, Mark Feighn, & Michael Handel. (2005). The Tits alternative for Out(F_n) II: A Kolchin type theorem. Annals of Mathematics. 161(1). 1–59. 36 indexed citations

Bestvina, Mladen & Mark Feighn. (2005). Counting maps from a surface to a graph. Geometric and Functional Analysis. 15(5). 939–961. 1 indexed citations

Feighn, Mark, et al.. (2005). The Grushko decomposition of a finite graph of finite rank free groups: an algorithm. Geometry & Topology. 9(4). 1835–1880. 3 indexed citations

10.

Bestvina, Mladen, Mark Feighn, & Michael Handel. (2004). Solvable Subgroups of Out(F n ) are Virtually Abelian. Geometriae Dedicata. 104(1). 71–96. 17 indexed citations

11.

Bestvina, Mladen & Mark Feighn. (2002). Proper actions of lattices on contractible manifolds. Inventiones mathematicae. 150(2). 237–256. 4 indexed citations

12.

Bestvina, Mladen, Mark Feighn, & Michael Handel. (2000). The Tits Alternative for out(F n ) I: Dynamics of Exponentially-Growing Automorphisms. Annals of Mathematics. 151(2). 517–517. 81 indexed citations

13.

Feighn, Mark & Michael Handel. (1999). Mapping Tori of Free Group Automorphisms are Coherent. Annals of Mathematics. 149(3). 1061–1061. 38 indexed citations

14.

Bestvina, Mladen, Mark Feighn, & Michael Handel. (1997). Laminations, trees, and irreducible automorphisms of free groups. Geometric and Functional Analysis. 7(2). 215–244. 83 indexed citations

15.

Bestvina, Mladen & Mark Feighn. (1996). Addendum and correction to: ``A combination theorem for negatively curved groups''. Journal of Differential Geometry. 43(4). 22 indexed citations

16.

Bestvina, Mladen & Mark Feighn. (1991). Bounding the complexity of simplicial group actions on trees. Inventiones mathematicae. 103(1). 449–469. 63 indexed citations

17.

Feighn, Mark. (1988). Separation properties of codimension-1 immersions. Topology. 27(3). 319–321. 12 indexed citations

18.

Feighn, Mark & Darryl McCullough. (1987). Finiteness Conditions for 3-Manifolds with Boundary. American Journal of Mathematics. 109(6). 1155–1155. 11 indexed citations

19.

Feighn, Mark. (1986). Branched covers according to J. W. Alexander.. Collectanea mathematica. 37(1). 53–60. 5 indexed citations

20.

Feighn, Mark. (1984). Actions of finite groups on homotopy 3-spheres. Transactions of the American Mathematical Society. 284(1). 141–151. 4 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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