Dragoş Ştefan

739 total citations
32 papers, 323 citations indexed

About

Dragoş Ştefan is a scholar working on Algebra and Number Theory, Geometry and Topology and Mathematical Physics. According to data from OpenAlex, Dragoş Ştefan has authored 32 papers receiving a total of 323 indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Algebra and Number Theory, 30 papers in Geometry and Topology and 13 papers in Mathematical Physics. Recurrent topics in Dragoş Ştefan's work include Algebraic structures and combinatorial models (30 papers), Advanced Topics in Algebra (27 papers) and Homotopy and Cohomology in Algebraic Topology (13 papers). Dragoş Ştefan is often cited by papers focused on Algebraic structures and combinatorial models (30 papers), Advanced Topics in Algebra (27 papers) and Homotopy and Cohomology in Algebraic Topology (13 papers). Dragoş Ştefan collaborates with scholars based in Romania, Italy and Spain. Dragoş Ştefan's co-authors include Claudia Menini, Alessandro Ardizzoni, Freddy Van Oystaeyen, Pascual Jara, F. Van Oystaeyen, Gabriella Böhm, G. Militaru, Florin Panaite, Javier López Peña and Abdenacer Makhlouf and has published in prestigious journals such as Communications in Mathematical Physics, Transactions of the American Mathematical Society and Advances in Mathematics.

In The Last Decade

Dragoş Ştefan

27 papers receiving 298 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Dragoş Ştefan Romania	11	312	295	170	90	23	32	323
J.J. Zhang United States	13	315 1.0×	294 1.0×	161 0.9×	97 1.1×	19 0.8×	20	323
Anders Frankild Denmark	9	361 1.2×	336 1.1×	173 1.0×	81 0.9×	16 0.7×	15	366
Alex Martsinkovsky United States	9	342 1.1×	316 1.1×	132 0.8×	76 0.8×	26 1.1×	25	349
Lars Kadison United States	10	348 1.1×	340 1.2×	193 1.1×	47 0.5×	41 1.8×	37	375
Roberto Martínez-Villa Mexico	10	336 1.1×	320 1.1×	166 1.0×	65 0.7×	25 1.1×	30	346
Ghislain Fourier Germany	7	218 0.7×	157 0.5×	122 0.7×	84 0.9×	48 2.1×	11	219
Nicole Snashall United Kingdom	12	373 1.2×	348 1.2×	202 1.2×	121 1.3×	18 0.8×	28	381
J. J. Zhang United States	10	253 0.8×	236 0.8×	134 0.8×	48 0.5×	16 0.7×	20	262
Jun-ichi Miyachi Japan	9	218 0.7×	197 0.7×	80 0.5×	83 0.9×	10 0.4×	16	225

Countries citing papers authored by Dragoş Ştefan

Since Specialization

Citations

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

Fields of papers citing papers by Dragoş Ştefan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Dragoş Ştefan

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

Jara, Pascual, Javier López Peña, & Dragoş Ştefan. (2017). Koszul pairs and applications. Journal of Noncommutative Geometry. 11(4). 1289–1350. 2 indexed citations

Ştefan, Dragoş, et al.. (2013). Cleft Comodule Categories. Communications in Algebra. 41(5). 1697–1726.

Ştefan, Dragoş, et al.. (2011). Factorizable enriched categories and applications. Journal of Algebra. 348(1). 416–445. 1 indexed citations

Makhlouf, Abdenacer & Dragoş Ştefan. (2010). Coactions on Hochschild homology of Hopf–Galois extensions and their coinvariants. Journal of Pure and Applied Algebra. 214(9). 1654–1677. 3 indexed citations

Böhm, Gabriella & Dragoş Ştefan. (2009). Examples of Para-cocyclic Objects Induced by BD-Laws. Algebras and Representation Theory. 12(2-5). 153–180. 1 indexed citations

Ardizzoni, Alessandro, Claudia Menini, & Dragoş Ştefan. (2008). Braided bialgebras of Hecke-type. Journal of Algebra. 321(3). 847–865. 7 indexed citations

Ardizzoni, Alessandro, Claudia Menini, & Dragoş Ştefan. (2007). Weak projections onto a braided Hopf algebra. Journal of Algebra. 318(1). 180–201. 3 indexed citations

Ardizzoni, Alessandro, Claudia Menini, & Dragoş Ştefan. (2006). PBW deformations of braided symmetric algebras and a Milnor-Moore type theorem for braided bialgebras. arXiv (Cornell University). 3 indexed citations

Ardizzoni, Alessandro, Claudia Menini, & Dragoş Ştefan. (2006). A monoidal approach to splitting morphisms of bialgebras. Transactions of the American Mathematical Society. 359(3). 991–1044. 17 indexed citations

10.

Ardizzoni, Alessandro, Claudia Menini, & Dragoş Ştefan. (2006). Cotensor Coalgebras in Monoidal Categories. Communications in Algebra. 35(1). 25–70. 5 indexed citations

11.

Jara, Pascual, et al.. (2005). Hereditary and Formally Smooth Coalgebras. Algebras and Representation Theory. 8(3). 363–374. 10 indexed citations

12.

Menini, Claudia & Dragoş Ştefan. (2003). Descent theory and Amitsur cohomology of triples. Journal of Algebra. 266(1). 261–304. 6 indexed citations

13.

Panaite, Florin & Dragoş Ştefan. (2002). DEFORMATION COHOMOLOGY FOR YETTER-DRINFEL'D MODULES AND HOPF (BI)MODUL ES. Communications in Algebra. 30(1). 331–345. 5 indexed citations

14.

Ştefan, Dragoş. (1999). Hopf algebras of low dimension. Journal of Algebra. 211(1). 343–361. 30 indexed citations

15.

Ştefan, Dragoş & Freddy Van Oystaeyen. (1998). Hochschild Cohomology and the Coradical Filtration of Pointed Coalgebras: Applications. Journal of Algebra. 210(2). 535–556. 26 indexed citations

16.

Ştefan, Dragoş. (1997). Hopf subalgebras of pointed Hopf algebras and applications. Proceedings of the American Mathematical Society. 125(11). 3191–3193. 10 indexed citations

17.

Ştefan, Dragoş. (1997). The Set of Types ofn-Dimensional Semisimple and Cosemisimple Hopf Algebras Is Finite. Journal of Algebra. 193(2). 571–580. 28 indexed citations

18.

Ştefan, Dragoş. (1996). Decomposition of hochschild homology of hopf galois extensions. Communications in Algebra. 24(5). 1695–1706. 1 indexed citations

19.

Ştefan, Dragoş. (1996). Cohomology of Hopf Algebras and the Clifford's Extension Problem. Journal of Algebra. 182(1). 165–182. 3 indexed citations

20.

Ştefan, Dragoş. (1995). Hochschild cohomology on Hopf Galois extensions. Journal of Pure and Applied Algebra. 103(2). 221–233. 53 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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