This map shows the geographic impact of J. Sichler'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 J. Sichler with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. Sichler more than expected).
This network shows the impact of papers produced by J. Sichler. 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 J. Sichler. The network helps show where J. Sichler may publish in the future.
Co-authorship network of co-authors of J. Sichler
This figure shows the co-authorship network connecting the top 25 collaborators of J. Sichler.
A scholar is included among the top collaborators of J. Sichler 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 J. Sichler. J. Sichler is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Koubek, Vácłav & J. Sichler. (2008). On synchronized relatively full embeddings and $\mathcal{Q}$-universality. French digital mathematics library (Numdam). 49(4). 289–306.1 indexed citations
3.
Sichler, J. & Věra Trnková. (2008). On clones determined by their initial segments. French digital mathematics library (Numdam). 49(3). 209–227.3 indexed citations
4.
Koubek, Vácłav & J. Sichler. (2005). Finitely generated almost universal varieties of $0$-lattices. Commentationes Mathematicae Universitatis Carolinae. 46(2). 301–325.3 indexed citations
5.
Sichler, J. & Věra Trnková. (2004). Maps between a space and its square. Topology and its Applications. 142(1-3). 159–179.4 indexed citations
6.
Sichler, J. & Věra Trnková. (2003). On coconnected algebras. Journal of Pure and Applied Algebra. 179(1-2). 175–197.2 indexed citations
7.
Sichler, J. & Věra Trnková. (1997). Clones in topology and algebra.3 indexed citations
8.
Koubek, Vácłav & J. Sichler. (1994). Finitely generated universal varieties of distributive double $p$-algebras. French digital mathematics library (Numdam).2 indexed citations
9.
Koubek, Vácłav, J. Sichler, & Věra Trnková. (1992). Algebraic functor slices. Journal of Pure and Applied Algebra. 78(3). 275–290.2 indexed citations
10.
Koubek, Vácłav & J. Sichler. (1991). On Priestley duals of products. French digital mathematics library (Numdam). 32(3). 243–256.10 indexed citations
11.
Pultr, Aleš & J. Sichler. (1988). Frames in Priestley's duality. French digital mathematics library (Numdam). 29(3). 193–202.7 indexed citations
Koubek, Vácłav & J. Sichler. (1984). Universality of Small Lattice Varieties. Proceedings of the American Mathematical Society. 91(1). 19–19.5 indexed citations
14.
Koubek, Vácłav & J. Sichler. (1984). Universality of small lattice varieties. Proceedings of the American Mathematical Society. 91(1). 19–24.3 indexed citations
15.
Chvátal, Vašek & J. Sichler. (1973). Chromatic automorphisms of graphs. Journal of Combinatorial Theory Series B. 14(3). 209–215.4 indexed citations
Pultr, Aleš & J. Sichler. (1969). Primitive classes of algebras with two unary idempotent operations, containing all algebraic categories as full subcategories. Commentationes Mathematicae Universitatis Carolinae. 10(3). 425–445.6 indexed citations
18.
Sichler, J.. (1968). Concerning minimal primitive classes of algebras containing any category of algebras as a full subcategory. Commentationes Mathematicae Universitatis Carolinae. 9(4). 627–635.2 indexed citations
19.
Sichler, J.. (1968). ${\mathfrak {A}} (1,1)$ can be strongly embedded into category of semigroups. Commentationes Mathematicae Universitatis Carolinae. 9(2). 257–262.6 indexed citations
20.
Sichler, J.. (1967). Category of commutative groupoids is binding. Commentationes Mathematicae Universitatis Carolinae. 8(4). 753–755.7 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.