×

Grigorchuk, Rostislav Ivanovich

Compute Distance To:
Author ID: grigorchuk.rostislav-i Recent zbMATH articles by "Grigorchuk, Rostislav Ivanovich"
Published as: Grigorchuk, R. I.; Grigorchuk, Rostislav; Grigorchuk, Rostislav I.; Grigorchuk, R.; Grygorchuk, R. I.; Grigorchuk, Rotislav I.; Grigorchuk, Rostyslav; Grigorchuk, Rotislav
Homepage: http://www.math.tamu.edu/~grigorch/
External Links: MGP · Wikidata · Math-Net.Ru · dblp · GND · IdRef
all top 5

Co-Authors

41 single-authored
12 Nekrashevych, Volodymyr V.
11 Nagnibeda, Tatiana V.
9 de la Harpe, Pierre
8 Kurchanov, Pavel F.
8 Savchuk, Dmytro M.
7 Bartholdi, Laurent
7 Šunić, Zoran
7 Żuk, Andrzej
5 Benli, Mustafa Gökhan
5 Kravchenko, Rostyslav V.
5 Stëpin, Anatoliĭ Mikhaĭlovich
5 Wilson, John Stuart
4 Dudko, Artem
4 Lenz, Daniel H.
4 Muntyan, Yevgen
4 Sushchans’kyĭ, Vitaliĭ Ivanovych
3 Bondarenko, Ievgen V.
3 Bowen, Lewis Phylip
3 Ceccherini-Silberstein, Tullio G.
3 Ol’shanskiĭ, Aleksandr Yur’evich
3 Sinaĭ, Yakov Grigor’evich
3 Šuniḱ, Zoran
2 Andriĭchuk, Vasyl’ Ivanovych
2 Drozd, Yuriĭ Anatoliĭovych
2 Futorny, Vyacheslav M.
2 Grines, Vyacheslav Zigmundovich
2 Gurevich, B. M.
2 Komarnytsky, M. Ya.
2 Kozlov, Valeriĭ Vasil’evich
2 Leemann, Paul-Henry
2 Novikov, Sergeĭ Petrovich
2 Petravchuk, Anatolii P.
2 Petrichkovich, Vasil’ Mikhaĭlovich
2 Shestakov, Ivan Pavlovich
2 Shumyatsky, Pavel
2 Vorobets, Yaroslav
2 Zhirov, Aleksei Yu
2 Zhuzhoma, Evgeniĭ Viktorovich
2 Zieschang, Heiner
1 Ageev, Oleg N.
1 Allums, Derek J.
1 Anosov, Dmitriĭ Viktorovich
1 Artamonov, Vyacheslav Aleksandrovich
1 Artemovych, Orest Dem”yanovych
1 Aseev, Sergei M.
1 Babych, V”yacheslav Mykhaĭlovych
1 Banakh, Taras Onufrievich
1 Bekka, Mohammed el Bachir
1 Bezushchak, Oksana O.
1 Bokut, Leonid A.
1 Bolibrukh, Andreĭ Andreevich
1 Bondarenko, Vitalij M.
1 Bondarenko, Ye. V.
1 Bukhshtaber, Viktor Matveevich
1 Collins, Donald J.
1 Davydov, Alekseĭ Aleksandrovich
1 Delzant, Thomas
1 Dokuchaev, Mikhailo
1 Efremova, Lyudmila S.
1 Fomenko, Anatoliĭ Timofeevich
1 Ganiushkin, O. G.
1 Gavrylkiv, Volodymyr M.
1 Golod, Evgeniĭ Solomonovich
1 Gonchar, Andreĭ Aleksandrovich
1 Gorodnii, M. F.
1 Grigor’ev, Dmitriĭ Yur’evich
1 Gubareni, Nadiya M.
1 Gudivok, P. M.
1 Hanyushkin, O. H.
1 Helemskii, Alexander Ya.
1 Herfort, Wolfgang N.
1 Ivanov, Sergei Vladimirovich
1 Kac, Victor G.
1 Kaimanovich, Vadim A.
1 Kashin, Boris Sergeevich
1 Kashu, Alekseĭ Ivanovich
1 Katok, Anatole
1 Kemer, Aleksandr Robertovich
1 Kerr, David
1 Kharchenko, Vladislav K.
1 Kharlampovich, Olga G.
1 Klimenko, Alexey V.
1 Kochergin, Andrey V.
1 Kolesnikov, Pavel Sergeevich
1 Kolokoltsov, Vassili N.
1 Kolyada, Sergiǐ Fedorovych
1 Kravchenko, Rostislav
1 Krylyuk, Yaroslav S.
1 Kurdachenko, Leonid Andriĭovych
1 Kutateladze, Semën Samsonovich
1 Kyrychenko, V. M.
1 Kyrychenko, Volodymyr Vasyl’ovych
1 Latyshev, Viktor Nikolaevich
1 Leksin, Vladimir Pavlovich
1 Leonov, Yu. G.
1 Lerman, Lev
1 Linnell, Peter Arnold
1 Lubotzky, Alexander
1 Lyman, Fedir Mykolaĭovych
1 Lysenok, Igor’ Geront’evich
...and 75 more Co-Authors
all top 5

Serials

11 Mathematical Notes
7 Algebra and Discrete Mathematics
4 Russian Mathematical Surveys
4 International Journal of Algebra and Computation
4 Comptes Rendus de l’Académie des Sciences. Série I. Mathématique
4 Proceedings of the Steklov Institute of Mathematics
4 Bulletin of Mathematical Sciences
3 Ukraïns’kyĭ Matematychnyĭ Zhurnal
3 Functional Analysis and its Applications
3 L’Enseignement Mathématique. 2e Série
3 Naukovyĭ Visnyk Chernivets’kogo Universytetu. Matematyka
3 Groups, Geometry, and Dynamics
2 Israel Journal of Mathematics
2 Ukrainian Mathematical Journal
2 Advances in Mathematics
2 Geometriae Dedicata
2 Mathematics of the USSR. Izvestiya
2 Soviet Mathematics. Doklady
2 Transactions of the American Mathematical Society
2 Mathematics of the USSR, Sbornik
2 Sbornik: Mathematics
2 Contemporary Mathematics
2 Journal of Modern Dynamics
1 Matematicheskie Zametki
1 Moscow University Mathematics Bulletin
1 Teoriya Veroyatnosteĭ i eë Primeneniya
1 Uspekhi Matematicheskikh Nauk [N. S.]
1 Theory of Probability and its Applications
1 Algebra and Logic
1 Algebra i Logika
1 Archiv der Mathematik
1 Commentarii Mathematici Helvetici
1 Funktsional’nyĭ Analiz i ego Prilozheniya
1 Inventiones Mathematicae
1 Journal of Algebra
1 Journal of Functional Analysis
1 Journal of the London Mathematical Society. Second Series
1 Matematicheskiĭ Sbornik. Novaya Seriya
1 Mathematische Annalen
1 Theoretical Computer Science
1 Transactions of the Moscow Mathematical Society
1 European Journal of Combinatorics
1 IMRN. International Mathematics Research Notices
1 Geometric and Functional Analysis. GAFA
1 Izvestiya Akademii Nauk SSSR. Seriya Matematicheskaya
1 Bulletin of the American Mathematical Society. New Series
1 Expositiones Mathematicae
1 Zapiski Nauchnykh Seminarov POMI
1 Journal of Mathematical Sciences (New York)
1 Serdica Mathematical Journal
1 Izvestiya: Mathematics
1 Doklady Mathematics
1 Matematychni Studiï
1 Journal of Dynamical and Control Systems
1 Comptes Rendus. Mathématique. Académie des Sciences, Paris
1 Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Fundamental’nye Napravleniya
1 Journal of Physics A: Mathematical and Theoretical
1 Involve
1 São Paulo Journal of Mathematical Sciences
1 Groups, Complexity, Cryptology
1 Carpathian Mathematical Publications

Publications by Year

Citations contained in zbMATH Open

120 Publications have been cited 1,867 times in 965 Documents Cited by Year
On Burnside’s problem on periodic groups. Zbl 0595.20029
Grigorchuk, R. I.
123
1980
Automata, dynamical systems, and groups. Zbl 1155.37311
Grigorchuk, R. I.; Nekrashevich, V. V.; Sushchanskii, V. I.
96
2000
Degrees of growth of finitely generated groups, and the theory of invariant means. Zbl 0583.20023
Grigorchuk, R. I.
85
1985
The lamplighter group as a group generated by a 2-state automaton, and its spectrum. Zbl 0990.60049
Grigorchuk, Rostislav I.; Żuk, Andrzej
85
2001
Just infinite branch groups. Zbl 0982.20024
Grigorchuk, R. I.
84
2000
Branch groups. Zbl 1140.20306
Bartholdi, Laurent; Grigorchuk, Rostislav I.; Šuniḱ, Zoran
83
2003
On problems related to growth, entropy, and spectrum in group theory. Zbl 0949.20033
Grigorchuk, R.; de la Harpe, P.
66
1997
From fractal groups to fractal sets. Zbl 1037.20040
Bartholdi, Laurent; Grigorchuk, Rostislav; Nekrashevych, Volodymyr
61
2003
Amenability and paradoxical decompositions for pseudogroups and for discrete metric spaces. Zbl 0968.43002
de la Harpe, P.; Grigorchuk, R. I.; Ceccherini-Silberstein, T.
57
1999
Solved and unsolved problems around one group. Zbl 1165.20021
Grigorchuk, Rostislav
51
2005
On Milnor’s problem of group growth. Zbl 0547.20025
Grigorchuk, R. I.
47
1983
On the spectrum of Hecke type operators related to some fractal groups. Zbl 1172.37305
Bartholdi, L.; Grigorchuk, R. I.
43
2000
On a torsion-free weakly branch group defined by a three state automaton. Zbl 1070.20031
Grigorchuk, Rostislav I.; Żuk, Andrzej
42
2002
Some topics in the dynamics of group actions on rooted trees. Zbl 1268.20027
Grigorchuk, R. I.
36
2011
On a question of Atiyah. Zbl 0969.57022
Grigorchuk, Rostislav I.; Linnell, Peter; Schick, Thomas; Żuk, Andrzej
35
2000
On parabolic subgroups and Hecke algebras of some fractal groups. Zbl 1011.20028
Bartholdi, Laurent; Grigorchuk, Rotislav I.
34
2002
Symmetrical random walks on discrete groups. Zbl 0475.60007
Grigorchuk, R. I.
32
1980
An example of a finitely presented amenable group not belonging to the class \(EG\). Zbl 0931.43003
Grigorchuk, R. I.
30
1998
Asymptotic aspects of Schreier graphs and Hanoi Towers groups. Zbl 1135.20016
Grigorchuk, Rostislav; Šuniḱ, Zoran
29
2006
Some results on bounded cohomology. Zbl 0853.20034
Grigorchuk, R. I.
28
1995
On rates of growth of p-groups and torsion-free groups. Zbl 0568.20033
Grigorchuk, R. I.
24
1985
On growth in group theory. Zbl 0749.20016
Grigorchuk, Rostislav I.
24
1991
Milnor’s problem on the growth of groups and its consequences. Zbl 1325.20034
Grigorchuk, Rostislav
21
2014
The Ihara zeta function of infinite graphs, the KNS spectral measure and integrable maps. Zbl 1177.05124
Grigorchuk, Rostislav I.; Żuk, Andrzej
21
2004
Lie methods in growth of groups and groups of finite width. Zbl 1032.20026
Bartholdi, Laurent; Grigorchuk, Rostislav I.
21
2000
Groups of intermediate growth: an introduction. Zbl 1204.20049
Grigorchuk, Rostislav; Pak, Igor
20
2008
On the growth rates of p-groups and torsion-free groups. Zbl 0583.20024
Grigorchuk, R. I.
19
1986
On semigroups with reductions of the degree of growth. Zbl 0643.20036
Grigorchuk, R. I.
18
1988
Self-similarity and branching in group theory. Zbl 1185.20044
Grigorchuk, Rostislav; Šunić, Zoran
18
2007
A structural property concerning abstract commensurability of subgroups. Zbl 1063.20033
Grigorchuk, R. I.; Wilson, J. S.
17
2003
On the asymptotic spectrum of random walks on infinite families of graphs. Zbl 0957.60044
Grigorchuk, Rostislav I.; Żuk, Andrzej
17
1999
Schreier spectrum of the Hanoi Towers group on three pegs. Zbl 1170.37008
Grigorchuk, Rostislav; Šunić, Zoran
17
2008
On algebraic properties of topological full groups. Zbl 1365.37010
Grigorchuk, R. I.; Medynets, K. S.
16
2014
Branch groups. Zbl 0994.20027
Grigorchuk, R. I.
15
2000
Invariant random subgroups of lamplighter groups. Zbl 1334.43006
Bowen, Lewis; Grigorchuk, Rostislav; Kravchenko, Rostyslav
15
2015
Irreducibility of unitary group representations and reproducing kernels Hilbert spaces. Appendix on two point homogeneous compact ultrametric spaces in collaboration with Rostislav Grigorchuk. Zbl 1037.22009
Bekka, M. Bachir; de la Harpe, Pierre
14
2003
On quadratic equations in free groups. Zbl 0778.20013
Grigorchuk, R. I.; Kurchanov, P. F.
14
1992
On the lattice of subgroups of the lamplighter group. Zbl 1317.20032
Grigorchuk, R.; Kravchenko, R.
12
2014
Complete growth functions of hyperbolic groups. Zbl 0880.20024
Grigorchuk, Rostislav; Nagnibeda, Tatiana
11
1997
Spectral properties of a torsion-free weakly branch group defined by a three state automaton. Zbl 1057.60045
Grigorchuk, Rostislav I.; Żuk, Andrzej
11
2002
Amenable actions of nonamenable groups. Zbl 1127.43001
Grigorchuk, R. I.; Nekrashevych, V. Yu.
11
2005
On classification of groups generated by 3-state automata over a 2-letter alphabet. Zbl 1164.20004
Bondarenko, Ievgen; Grigorchuk, Rostislav; Kravchenko, Rostislav; Muntyan, Yevgen; Nekrashevych, Volodymyr; Savchuk, Dmytro; Šunić, Zoran
11
2008
Self-similar groups, operator algebras and Schur complement. Zbl 1133.46029
Grigorchuk, Rostislav; Nekrashevych, Volodymyr
11
2007
Spectra of Schreier graphs of Grigorchuk’s group and Schroedinger operators with aperiodic order. Zbl 1383.05196
Grigorchuk, Rostislav; Lenz, Daniel; Nagnibeda, Tatiana
11
2018
Limit behaviour of exponential growth rates for finitely generated groups. Zbl 1004.20018
Grigorchuk, Rotislav; de la Harpe, Pierre
10
2001
On the system of defining relations and the Schur multiplier of periodic groups generated by finite automata. Zbl 1114.20303
Grigorchuk, R. I.
10
1999
Growth and amenability of a semigroup and its group of quotients. Zbl 0726.43002
Grigorchuk, R. I.
10
1990
Self-similar groups acting essentially freely on the boundary of the binary rooted tree. Zbl 1308.20025
Grigorchuk, Rostislav; Savchuk, Dmytro
10
2014
Supramenability and the problem of occurrence of free semigroups. Zbl 0626.43003
Grigorchuk, R. I.
9
1987
Amenability and growth of one-relator groups. Zbl 0897.20022
Ceccherini-Silberstein, Tullio G.; Grigorchuk, Rostislav I.
9
1997
Combinatorial group theory and applications to geometry. Transl. from the Russian by P. M. Cohn. 2nd printing of the 1st ed. 1993. Zbl 0997.20500
Collins, D. J.; Grigorchuk, R. I.; Kurchanov, P. F.; Zieschang, H.
9
1998
Joint spectrum and the infinite dihedral group. Zbl 1462.47003
Grigorchuk, Rostislav; Yang, Rongwei
9
2017
A description of solutions of quadratic equations in hyperbolic groups. Zbl 0762.20014
Grigorchuk, R. I.; Lysionok, I. G.
9
1992
The uniqueness of the actions of certain branch groups on rooted trees. Zbl 1052.20023
Grigorchuk, R. I.; Wilson, J. S.
8
2003
Ergodic properties of boundary actions and the Nielsen-Schreier theory. Zbl 1278.37034
Grigorchuk, Rostislav; Kaimanovich, Vadim A.; Nagnibeda, Tatiana
8
2012
On the gap conjecture concerning group growth. Zbl 1323.20035
Grigorchuk, Rostislav
8
2014
Bounded cohomology of group constructions. Zbl 0873.20039
Grigorchuk, R. I.
8
1996
Ergodic theorems for actions of free groups and free semigroups. Zbl 0957.22006
Grigorchuk, R. I.
8
1999
An example of an indexed language of intermediate growth. Zbl 0913.68121
Grigorchuk, R. I.; Machì, A.
8
1999
Universal groups of intermediate growth and their invariant random subgroups. Zbl 1365.20042
Benli, Mustafa Gökhan; Grigorchuk, Rostislav; Nagnibeda, Tatiana
8
2015
Construction of p-groups of intermediate growth that have a continuum of quotient groups. Zbl 0573.20037
Grigorchuk, R. I.
7
1984
On spectra of Koopman, groupoid and quasi-regular representations. Zbl 06991096
Dudko, Artem; Grigorchuk, Rostislav
7
2017
Amenability and ergodic properties of topological groups: from Bogolyubov onwards. Zbl 1397.43001
Grigorchuk, Rostislav; de la Harpe, Pierre
7
2017
Diameters, distortion, and eigenvalues. Zbl 1246.05046
Grigorchuk, Rostislav I.; Nowak, Piotr W.
6
2012
A group of intermediate growth acting by homomorphisms on the real line. Zbl 0806.20027
Grigorchuk, R. I.; Maki, A.
6
1993
On the Hilbert-Poincaré series of graded algebras associated with groups. Zbl 0695.16009
Grigorchuk, R. I.
6
1990
Schreier graphs of Grigorchuk’s group and a subshift associated to a nonprimitive substitution. Zbl 1371.05123
Grigorchuk, Rostislav; Lenz, Daniel; Nagnibeda, Tatiana
6
2017
One-relator groups of exponential growth have uniformly exponential growth. Zbl 0999.20033
Grigorchuk, R. I.; de la Harpe, P.
6
2001
Cancellative semigroups of power growth. Zbl 0655.20044
Grigorchuk, R. I.
5
1988
Groups generated by 3-state automata over a 2-letter alphabet. I. Zbl 1184.20026
Bondarenko, Ievgen; Grigorchuk, Rostislav; Kravchenko, Rostyslav; Muntyan, Yevgen; Nekrashevych, Volodymyr; Savchuk, Dmytro; Šunić, Zoran
5
2007
Ergodic decomposition of group actions on rooted trees. Zbl 1362.37013
Grigorchuk, Rostislav; Savchuk, Dmytro
5
2016
On a problem of Day on nonelementary amenable groups in the class of finitely presented groups. Zbl 0930.43001
Grigorchuk, R. I.
5
1996
Some questions of group theory related to geometry. Zbl 0781.20023
Grigorchuk, R. I.; Kurchanov, P. F.
5
1990
Growth functions, rewriting systems, and the Euler characteristic. Zbl 0860.68084
Grigorchuk, R. I.
5
1995
The profinite completion of certain torsion \(p\)-groups. Zbl 0964.20018
Grigorchuk, R. I.; Herfort, W. N.; Zalesskii, P. A.
5
2000
Lamplighter groups, de Brujin graphs, spider-web graphs and their spectra. Zbl 1345.05043
Grigorchuk, R.; Leemann, P.-H.; Nagnibeda, T.
4
2016
Parabolic subgroups and representations of branch groups. (Sous-groupes paraboliques et représentations de groupes branchés.) Zbl 1011.20027
Bartholdi, Laurent; Grigorchuk, Rostislav I.
4
2001
From self-similar groups to self-similar sets and spectra. Zbl 1359.37008
Grigorchuk, Rostislav; Nekrashevych, Volodymyr; Šunić, Zoran
4
2015
On use of iterates of endomorphisms for constructing groups with specific properties. Zbl 0932.20033
Grigorchuk, R. I.; Mamaghani, M. J.
4
1997
Amenable groups without finitely presented amenable covers. Zbl 1352.20025
Benli, Mustafa Gökhan; Grigorchuk, Rostislav; de la Harpe, Pierre
4
2013
Just-infinite \(C^\ast\)-algebras. Zbl 1396.46044
Grigorchuk, Rostislav; Musat, Magdalena; Rørdam, Mikael
4
2018
Certain questions of group theory connected with geometry. Zbl 0748.20021
Grigorchuk, R. I.; Kurchanov, P. F.
4
1990
Spectra of non-commutative dynamical systems and graphs related to fractal groups. Zbl 1006.37008
Bartholdi, Laurent; Grigorchuk, Rostislav I.
4
2000
A connection between algorithmic problems and entropy characteristics of groups. Zbl 0596.20022
Grigorchuk, R. I.
3
1985
On Dehn functions of infinite presentations of groups. Zbl 1225.20031
Grigorchuk, Rostislav I.; Ivanov, Sergei V.
3
2009
Weight functions on groups and an amenability criterion for Beurling algebras. Zbl 0905.43001
Grigorchuk, R. I.
3
1996
On Tychonoff groups. Zbl 0908.43001
Grigorchuk, R. I.
3
1998
On just-infiniteness of locally finite groups and their \(C^*\)-algebras. Zbl 1371.46042
Belyaev, V.; Grigorchuk, R.; Shumyatsky, P.
3
2017
On the width of elements in free groups. Zbl 0749.20005
Grigorchuk, R. I.; Kurchanov, P. F.
3
1991
On the topological and metric types of surfaces regularly covering a closed surface. Zbl 0702.57001
Grigorchuk, R. I.
3
1990
The spectral problem, substitutions and iterated monodromy. Zbl 1138.20025
Grigorchuk, Rostislav; Savchuk, Dmytro; Šunić, Zoran
3
2007
On diagonal actions of branch groups and the corresponding characters. Zbl 1494.20010
Dudko, Artem; Grigorchuk, Rostislav
3
2018
On irreducibility and disjointness of Koopman and quasi-regular representations of weakly branch groups. Zbl 1388.20017
Dudko, Artem; Grigorchuk, Rostislav
3
2017
An ergodic theorem for the action of a free semigroup. Zbl 1172.37303
Grigorchuk, R. I.
3
2000
The conjugacy problem for certain branch groups. Zbl 1001.20031
Grigorchuk, R. I.; Wilson, J. S.
3
2000
The rank gradient and the lamplighter group. Zbl 1248.20029
Allums, Derek J.; Grigorchuk, Rostislav I.
2
2011
The spectral measure of the Markov operator related to 3-generated 2-group of intermediate growth and its Jacobi parameters. Zbl 1297.20025
Grigorchuk, R. I.; Krylyuk, Ya. S.
2
2012
Supramenability and an imbedding problem of free semigroups. Zbl 0616.43002
Grigorchuk, R. I.
2
1987
Characteristic random subgroups of geometric groups and free abelian groups of infinite rank. Zbl 1373.20093
Bowen, Lewis; Grigorchuk, Rostislav; Kravchenko, Rostyslav
2
2017
Classification of epimorphisms of fundamental groups of surfaces onto free groups. Zbl 0810.20032
Grigorchuk, R. I.; Kurchanov, P. F.
2
1990
On spectra and spectral measures of Schreier and Cayley graphs. Zbl 07570182
Grigorchuk, Rostislav; Nagnibeda, Tatiana; Pérez, Aitor
1
2022
On the question “Can one hear the shape of a group?” and a Hulanicki type theorem for graphs. Zbl 1484.20075
Dudko, Artem; Grigorchuk, Rostislav
1
2020
Spectra of Schreier graphs of Grigorchuk’s group and Schroedinger operators with aperiodic order. Zbl 1383.05196
Grigorchuk, Rostislav; Lenz, Daniel; Nagnibeda, Tatiana
11
2018
Just-infinite \(C^\ast\)-algebras. Zbl 1396.46044
Grigorchuk, Rostislav; Musat, Magdalena; Rørdam, Mikael
4
2018
On diagonal actions of branch groups and the corresponding characters. Zbl 1494.20010
Dudko, Artem; Grigorchuk, Rostislav
3
2018
Presentations of topological full groups by generators and relations. Zbl 1402.20047
Grigorchuk, Rostislav; Medynets, Kostya
1
2018
Joint spectrum and the infinite dihedral group. Zbl 1462.47003
Grigorchuk, Rostislav; Yang, Rongwei
9
2017
On spectra of Koopman, groupoid and quasi-regular representations. Zbl 06991096
Dudko, Artem; Grigorchuk, Rostislav
7
2017
Amenability and ergodic properties of topological groups: from Bogolyubov onwards. Zbl 1397.43001
Grigorchuk, Rostislav; de la Harpe, Pierre
7
2017
Schreier graphs of Grigorchuk’s group and a subshift associated to a nonprimitive substitution. Zbl 1371.05123
Grigorchuk, Rostislav; Lenz, Daniel; Nagnibeda, Tatiana
6
2017
On just-infiniteness of locally finite groups and their \(C^*\)-algebras. Zbl 1371.46042
Belyaev, V.; Grigorchuk, R.; Shumyatsky, P.
3
2017
On irreducibility and disjointness of Koopman and quasi-regular representations of weakly branch groups. Zbl 1388.20017
Dudko, Artem; Grigorchuk, Rostislav
3
2017
Characteristic random subgroups of geometric groups and free abelian groups of infinite rank. Zbl 1373.20093
Bowen, Lewis; Grigorchuk, Rostislav; Kravchenko, Rostyslav
2
2017
On just infinite periodic locally soluble groups. Zbl 1423.20036
Grigorchuk, R.; Shumyatsky, P.
1
2017
Combinatorics of the subshift associated with Grigorchuk’s group. Zbl 1380.37027
Grigorchuk, Rostislav; Lenz, Daniel; Nagnibeda, Tatiana
1
2017
Ergodic decomposition of group actions on rooted trees. Zbl 1362.37013
Grigorchuk, Rostislav; Savchuk, Dmytro
5
2016
Lamplighter groups, de Brujin graphs, spider-web graphs and their spectra. Zbl 1345.05043
Grigorchuk, R.; Leemann, P.-H.; Nagnibeda, T.
4
2016
Self-similar groups, automatic sequences, and unitriangular representations. Zbl 1394.20018
Grigorchuk, R.; Leonov, Y.; Nekrashevych, V.; Sushchansky, V.
1
2016
Invariant random subgroups of lamplighter groups. Zbl 1334.43006
Bowen, Lewis; Grigorchuk, Rostislav; Kravchenko, Rostyslav
15
2015
Universal groups of intermediate growth and their invariant random subgroups. Zbl 1365.20042
Benli, Mustafa Gökhan; Grigorchuk, Rostislav; Nagnibeda, Tatiana
8
2015
From self-similar groups to self-similar sets and spectra. Zbl 1359.37008
Grigorchuk, Rostislav; Nekrashevych, Volodymyr; Šunić, Zoran
4
2015
Uncountably many 2-generated just-infinite branch pro-2 groups. Zbl 1328.20049
Benli, Mustafa Gökhan; Grigorchuk, Rostislav
1
2015
Milnor’s problem on the growth of groups and its consequences. Zbl 1325.20034
Grigorchuk, Rostislav
21
2014
On algebraic properties of topological full groups. Zbl 1365.37010
Grigorchuk, R. I.; Medynets, K. S.
16
2014
On the lattice of subgroups of the lamplighter group. Zbl 1317.20032
Grigorchuk, R.; Kravchenko, R.
12
2014
Self-similar groups acting essentially freely on the boundary of the binary rooted tree. Zbl 1308.20025
Grigorchuk, Rostislav; Savchuk, Dmytro
10
2014
On the gap conjecture concerning group growth. Zbl 1323.20035
Grigorchuk, Rostislav
8
2014
On the condensation property of the lamplighter groups and groups of intermediate growth. Zbl 1315.20040
Benli, Mustafa Gökhan; Grigorchuk, Rostislav
1
2014
Amenable groups without finitely presented amenable covers. Zbl 1352.20025
Benli, Mustafa Gökhan; Grigorchuk, Rostislav; de la Harpe, Pierre
4
2013
Ergodic properties of boundary actions and the Nielsen-Schreier theory. Zbl 1278.37034
Grigorchuk, Rostislav; Kaimanovich, Vadim A.; Nagnibeda, Tatiana
8
2012
Diameters, distortion, and eigenvalues. Zbl 1246.05046
Grigorchuk, Rostislav I.; Nowak, Piotr W.
6
2012
The spectral measure of the Markov operator related to 3-generated 2-group of intermediate growth and its Jacobi parameters. Zbl 1297.20025
Grigorchuk, R. I.; Krylyuk, Ya. S.
2
2012
Some topics in the dynamics of group actions on rooted trees. Zbl 1268.20027
Grigorchuk, R. I.
36
2011
The rank gradient and the lamplighter group. Zbl 1248.20029
Allums, Derek J.; Grigorchuk, Rostislav I.
2
2011
On Dehn functions of infinite presentations of groups. Zbl 1225.20031
Grigorchuk, Rostislav I.; Ivanov, Sergei V.
3
2009
Groups generated by 3-state automata over a 2-letter alphabet. II. Zbl 1185.20029
Bondarenko, I.; Grigorchuk, R.; Kravchenko, R.; Muntyan, Y.; Nekrashevych, V.; Savchuk, D.; Šunić, Z.
2
2009
Groups of intermediate growth: an introduction. Zbl 1204.20049
Grigorchuk, Rostislav; Pak, Igor
20
2008
Schreier spectrum of the Hanoi Towers group on three pegs. Zbl 1170.37008
Grigorchuk, Rostislav; Šunić, Zoran
17
2008
On classification of groups generated by 3-state automata over a 2-letter alphabet. Zbl 1164.20004
Bondarenko, Ievgen; Grigorchuk, Rostislav; Kravchenko, Rostislav; Muntyan, Yevgen; Nekrashevych, Volodymyr; Savchuk, Dmytro; Šunić, Zoran
11
2008
Homomorphic images of branch groups, and Serre’s property (FA). Zbl 1139.20021
Delzant, Thomas; Grigorchuk, Rostislav
1
2008
Self-similarity and branching in group theory. Zbl 1185.20044
Grigorchuk, Rostislav; Šunić, Zoran
18
2007
Self-similar groups, operator algebras and Schur complement. Zbl 1133.46029
Grigorchuk, Rostislav; Nekrashevych, Volodymyr
11
2007
Groups generated by 3-state automata over a 2-letter alphabet. I. Zbl 1184.20026
Bondarenko, Ievgen; Grigorchuk, Rostislav; Kravchenko, Rostyslav; Muntyan, Yevgen; Nekrashevych, Volodymyr; Savchuk, Dmytro; Šunić, Zoran
5
2007
The spectral problem, substitutions and iterated monodromy. Zbl 1138.20025
Grigorchuk, Rostislav; Savchuk, Dmytro; Šunić, Zoran
3
2007
Asymptotic aspects of Schreier graphs and Hanoi Towers groups. Zbl 1135.20016
Grigorchuk, Rostislav; Šuniḱ, Zoran
29
2006
Topological and asymptotic aspects of group theory. AMS special session on probabilistic and asymptotic aspects of group theory, Athens, OH, USA, March 26–27, 2004 and the AMS special session on topological aspects of group theory, Nashville, TN, USA, October 16–17, 2004. Zbl 1085.20501
1
2006
Solved and unsolved problems around one group. Zbl 1165.20021
Grigorchuk, Rostislav
51
2005
Amenable actions of nonamenable groups. Zbl 1127.43001
Grigorchuk, R. I.; Nekrashevych, V. Yu.
11
2005
The Ihara zeta function of infinite graphs, the KNS spectral measure and integrable maps. Zbl 1177.05124
Grigorchuk, Rostislav I.; Żuk, Andrzej
21
2004
The group of automorphisms of a 3-generated 2-group of intermediate growth. Zbl 1088.20020
Grigorchuk, R. I.; Sidki, S. N.
2
2004
A minimality property of certain branch groups. Zbl 1139.20302
Grigorchuk, R. I.; Wilson, J. S.
2
2004
Branch groups. Zbl 1140.20306
Bartholdi, Laurent; Grigorchuk, Rostislav I.; Šuniḱ, Zoran
83
2003
From fractal groups to fractal sets. Zbl 1037.20040
Bartholdi, Laurent; Grigorchuk, Rostislav; Nekrashevych, Volodymyr
61
2003
A structural property concerning abstract commensurability of subgroups. Zbl 1063.20033
Grigorchuk, R. I.; Wilson, J. S.
17
2003
Irreducibility of unitary group representations and reproducing kernels Hilbert spaces. Appendix on two point homogeneous compact ultrametric spaces in collaboration with Rostislav Grigorchuk. Zbl 1037.22009
Bekka, M. Bachir; de la Harpe, Pierre
14
2003
The uniqueness of the actions of certain branch groups on rooted trees. Zbl 1052.20023
Grigorchuk, R. I.; Wilson, J. S.
8
2003
On a torsion-free weakly branch group defined by a three state automaton. Zbl 1070.20031
Grigorchuk, Rostislav I.; Żuk, Andrzej
42
2002
On parabolic subgroups and Hecke algebras of some fractal groups. Zbl 1011.20028
Bartholdi, Laurent; Grigorchuk, Rotislav I.
34
2002
Spectral properties of a torsion-free weakly branch group defined by a three state automaton. Zbl 1057.60045
Grigorchuk, Rostislav I.; Żuk, Andrzej
11
2002
The lamplighter group as a group generated by a 2-state automaton, and its spectrum. Zbl 0990.60049
Grigorchuk, Rostislav I.; Żuk, Andrzej
85
2001
Limit behaviour of exponential growth rates for finitely generated groups. Zbl 1004.20018
Grigorchuk, Rotislav; de la Harpe, Pierre
10
2001
One-relator groups of exponential growth have uniformly exponential growth. Zbl 0999.20033
Grigorchuk, R. I.; de la Harpe, P.
6
2001
Parabolic subgroups and representations of branch groups. (Sous-groupes paraboliques et représentations de groupes branchés.) Zbl 1011.20027
Bartholdi, Laurent; Grigorchuk, Rostislav I.
4
2001
Automata, dynamical systems, and groups. Zbl 1155.37311
Grigorchuk, R. I.; Nekrashevich, V. V.; Sushchanskii, V. I.
96
2000
Just infinite branch groups. Zbl 0982.20024
Grigorchuk, R. I.
84
2000
On the spectrum of Hecke type operators related to some fractal groups. Zbl 1172.37305
Bartholdi, L.; Grigorchuk, R. I.
43
2000
On a question of Atiyah. Zbl 0969.57022
Grigorchuk, Rostislav I.; Linnell, Peter; Schick, Thomas; Żuk, Andrzej
35
2000
Lie methods in growth of groups and groups of finite width. Zbl 1032.20026
Bartholdi, Laurent; Grigorchuk, Rostislav I.
21
2000
Branch groups. Zbl 0994.20027
Grigorchuk, R. I.
15
2000
The profinite completion of certain torsion \(p\)-groups. Zbl 0964.20018
Grigorchuk, R. I.; Herfort, W. N.; Zalesskii, P. A.
5
2000
Spectra of non-commutative dynamical systems and graphs related to fractal groups. Zbl 1006.37008
Bartholdi, Laurent; Grigorchuk, Rostislav I.
4
2000
An ergodic theorem for the action of a free semigroup. Zbl 1172.37303
Grigorchuk, R. I.
3
2000
The conjugacy problem for certain branch groups. Zbl 1001.20031
Grigorchuk, R. I.; Wilson, J. S.
3
2000
The group of asynchronous automata and rational homeomorphisms of the Cantor set. Zbl 0988.37014
Grigorchuk, R. I.; Nekrashevich, V. V.
2
2000
Dynamical systems, automata, and infinite groups. Collected papers. (Dinamicheskie sistemy, avtomaty i beskonechnye gruppy. Sbornik statej.) Zbl 0967.00015
1
2000
Amenability and paradoxical decompositions for pseudogroups and for discrete metric spaces. Zbl 0968.43002
de la Harpe, P.; Grigorchuk, R. I.; Ceccherini-Silberstein, T.
57
1999
On the asymptotic spectrum of random walks on infinite families of graphs. Zbl 0957.60044
Grigorchuk, Rostislav I.; Żuk, Andrzej
17
1999
On the system of defining relations and the Schur multiplier of periodic groups generated by finite automata. Zbl 1114.20303
Grigorchuk, R. I.
10
1999
Ergodic theorems for actions of free groups and free semigroups. Zbl 0957.22006
Grigorchuk, R. I.
8
1999
An example of an indexed language of intermediate growth. Zbl 0913.68121
Grigorchuk, R. I.; Machì, A.
8
1999
An example of a finitely presented amenable group not belonging to the class \(EG\). Zbl 0931.43003
Grigorchuk, R. I.
30
1998
Combinatorial group theory and applications to geometry. Transl. from the Russian by P. M. Cohn. 2nd printing of the 1st ed. 1993. Zbl 0997.20500
Collins, D. J.; Grigorchuk, R. I.; Kurchanov, P. F.; Zieschang, H.
9
1998
On Tychonoff groups. Zbl 0908.43001
Grigorchuk, R. I.
3
1998
On amenability of semigroups with cancellation. Zbl 1023.43001
Grigorchuk, R. I.; Stepin, A. M.
2
1998
On problems related to growth, entropy, and spectrum in group theory. Zbl 0949.20033
Grigorchuk, R.; de la Harpe, P.
66
1997
Complete growth functions of hyperbolic groups. Zbl 0880.20024
Grigorchuk, Rostislav; Nagnibeda, Tatiana
11
1997
Amenability and growth of one-relator groups. Zbl 0897.20022
Ceccherini-Silberstein, Tullio G.; Grigorchuk, Rostislav I.
9
1997
On use of iterates of endomorphisms for constructing groups with specific properties. Zbl 0932.20033
Grigorchuk, R. I.; Mamaghani, M. J.
4
1997
Bounded cohomology of group constructions. Zbl 0873.20039
Grigorchuk, R. I.
8
1996
On a problem of Day on nonelementary amenable groups in the class of finitely presented groups. Zbl 0930.43001
Grigorchuk, R. I.
5
1996
Weight functions on groups and an amenability criterion for Beurling algebras. Zbl 0905.43001
Grigorchuk, R. I.
3
1996
Some results on bounded cohomology. Zbl 0853.20034
Grigorchuk, R. I.
28
1995
Growth functions, rewriting systems, and the Euler characteristic. Zbl 0860.68084
Grigorchuk, R. I.
5
1995
A group of intermediate growth acting by homomorphisms on the real line. Zbl 0806.20027
Grigorchuk, R. I.; Maki, A.
6
1993
On quadratic equations in free groups. Zbl 0778.20013
Grigorchuk, R. I.; Kurchanov, P. F.
14
1992
A description of solutions of quadratic equations in hyperbolic groups. Zbl 0762.20014
Grigorchuk, R. I.; Lysionok, I. G.
9
1992
Equivalence of homomorphisms of surface groups to free groups and some properties of 3-dimensional handlebodies. Zbl 0792.20022
Grigorchuk, R. I.; Kurchanov, P. F.; Zieschang, H.
1
1992
On growth in group theory. Zbl 0749.20016
Grigorchuk, Rostislav I.
24
1991
On the width of elements in free groups. Zbl 0749.20005
Grigorchuk, R. I.; Kurchanov, P. F.
3
1991
Width of elements in free groups. Zbl 0786.20011
Grigorchuk, R. I.; Kurchanov, P. F.
1
1991
...and 20 more Documents
all top 5

Cited by 890 Authors

44 Grigorchuk, Rostislav Ivanovich
25 Bartholdi, Laurent
23 D’angeli, Daniele
21 Nekrashevych, Volodymyr V.
20 Myasnikov, Alexei G.
17 Ceccherini-Silberstein, Tullio G.
14 Erschler, Anna
14 Rodaro, Emanuele
13 Donno, Alfredo
13 Nagnibeda, Tatiana V.
12 Woess, Wolfgang
11 Bondarenko, Ievgen V.
11 Šunić, Zoran
10 Petrogradsky, Victor Mikhaylovich
10 Scarabotti, Fabio
10 Woryna, Adam
9 Brieussel, Jérémie
9 Elder, Murray J.
9 Kharlampovich, Olga G.
9 Osin, Denis V.
9 Savchuk, Dmytro M.
9 Steinberg, Benjamin
8 Glasner, Yair
8 Sushchans’kyĭ, Vitaliĭ Ivanovych
7 Cavaleri, Matteo
7 Guba, Victor S.
7 Klimann, Ines
7 Thomas, Simon R.
7 Wächter, Jan Philipp
6 Abért, Miklós
6 Ara, Pere
6 Arzhantseva, Goulnara N.
6 Bowen, Lewis Phylip
6 de la Harpe, Pierre
6 Fernández-Alcober, Gustavo A.
6 Garrido, Alejandra
6 Kaimanovich, Vadim A.
6 Monod, Nicolas
6 Ol’shanskiĭ, Aleksandr Yur’evich
6 Pak, Igor
6 Sambusetti, Andrea
6 Sapir, Mark Valentinovich
6 Shestakov, Ivan Pavlovich
6 Tolli, Filippo
6 Virág, Bálint
5 Bleak, Collin
5 Cain, Alan J.
5 Ciobanu, Laura
5 Dudko, Artem
5 Francoeur, Dominik
5 Kapovich, Ilya
5 Kechris, Alexander S.
5 Le Boudec, Adrien
5 Lenz, Daniel H.
5 Leonov, Yu. G.
5 Lubotzky, Alexander
5 Lukina, Olga
5 Machi, Antonio
5 Matte Bon, Nicolás
5 Noce, Marialaura
5 Nowak, Piotr W.
5 Shalev, Aner
5 Skipper, Rachel
5 Vorobets, Yaroslav
5 Wesolek, Phillip Richard
5 Yang, Rongwei
5 Zheng, Tianyi
4 Benli, Mustafa Gökhan
4 Bufetov, Aleksandr Igorevich
4 Burillo, José
4 Cashen, Christopher H.
4 Damanik, David
4 de Cornulier, Yves
4 Elek, Gábor
4 Hartung, René
4 Jespers, Eric
4 Jørgensen, Palle E. T.
4 Juschenko, Kate
4 Kagan, Dmitrii Z.
4 Kravchenko, Rostyslav V.
4 Lawson, Mark Verus
4 Lysenok, Igor’ Geront’evich
4 Okniński, Jan
4 Picantin, Matthieu
4 Pittet, Christophe
4 Rozhkov, A. V.
4 Samet-Vaillant, Aryeh Y.
4 Seifter, Norbert
4 Shneerson, L. M.
4 Shpilrain, Vladimir
4 Shumyatsky, Pavel
4 Silva, Pedro V.
4 Steinhurst, Benjamin
4 Uria-Albizuri, Jone
4 Weiß, Armin
4 Wilson, John Stuart
4 Zel’manov, Efim Isaakovich
4 Żuk, Andrzej
3 Akhmedov, Azer
3 Allouche, Jean-Paul Simon
...and 790 more Authors
all top 5

Cited in 205 Serials

86 Journal of Algebra
59 International Journal of Algebra and Computation
49 Groups, Geometry, and Dynamics
33 Transactions of the American Mathematical Society
28 Geometriae Dedicata
25 Israel Journal of Mathematics
25 Proceedings of the American Mathematical Society
24 Journal of Mathematical Sciences (New York)
19 Mathematical Notes
19 Advances in Mathematics
19 Journal of Functional Analysis
18 Theoretical Computer Science
17 Annales de l’Institut Fourier
16 Journal of Group Theory
15 Mathematische Annalen
15 Ergodic Theory and Dynamical Systems
14 European Journal of Combinatorics
13 Inventiones Mathematicae
12 Communications in Algebra
11 Semigroup Forum
10 Proceedings of the Steklov Institute of Mathematics
9 Duke Mathematical Journal
9 Journal of Pure and Applied Algebra
8 Archiv der Mathematik
8 Topology and its Applications
8 Expositiones Mathematicae
7 Communications in Mathematical Physics
7 Mathematical Proceedings of the Cambridge Philosophical Society
7 The Annals of Probability
7 Geometric and Functional Analysis. GAFA
7 Journal of Algebra and its Applications
7 Bulletin of Mathematical Sciences
6 Journal of the London Mathematical Society. Second Series
6 Monatshefte für Mathematik
6 Journal of the European Mathematical Society (JEMS)
6 Comptes Rendus. Mathématique. Académie des Sciences, Paris
6 Journal of Modern Dynamics
6 Journal of Topology and Analysis
5 Journal d’Analyse Mathématique
5 Algebra and Logic
5 Bulletin of the London Mathematical Society
5 Compositio Mathematica
5 Journal of Combinatorial Theory. Series B
5 Mathematische Zeitschrift
5 Proceedings of the Edinburgh Mathematical Society. Series II
5 Linear Algebra and its Applications
4 Discrete Applied Mathematics
4 Discrete Mathematics
4 Journal of Mathematical Analysis and Applications
4 Memoirs of the American Mathematical Society
4 Forum Mathematicum
4 Annales de la Faculté des Sciences de Toulouse. Mathématiques. Série VI
4 The Electronic Journal of Combinatorics
4 Geometry & Topology
4 Annals of Mathematics. Second Series
4 Algebra and Discrete Mathematics
4 \(p\)-Adic Numbers, Ultrametric Analysis, and Applications
4 International Journal of Group Theory
3 Ukrainian Mathematical Journal
3 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série
3 Functional Analysis and its Applications
3 Rendiconti del Circolo Matemàtico di Palermo. Serie II
3 Annals of Pure and Applied Logic
3 Probability Theory and Related Fields
3 Journal of the American Mathematical Society
3 The Journal of Geometric Analysis
3 Russian Journal of Mathematical Physics
3 Discrete and Continuous Dynamical Systems
3 Algebraic & Geometric Topology
2 Rocky Mountain Journal of Mathematics
2 Journal of Geometry and Physics
2 Illinois Journal of Mathematics
2 Indiana University Mathematics Journal
2 Journal of Computer and System Sciences
2 Rendiconti del Seminario Matematico della Università di Padova
2 Results in Mathematics
2 Advances in Applied Mathematics
2 Revista Matemática Iberoamericana
2 Information and Computation
2 Experimental Mathematics
2 Journal of Algebraic Combinatorics
2 Topology Proceedings
2 Journal de Théorie des Nombres de Bordeaux
2 Bulletin of the Belgian Mathematical Society - Simon Stevin
2 St. Petersburg Mathematical Journal
2 Annales Mathématiques Blaise Pascal
2 Fractals
2 Electronic Research Announcements of the American Mathematical Society
2 Theory of Computing Systems
2 Conformal Geometry and Dynamics
2 LMS Journal of Computation and Mathematics
2 Acta Mathematica Sinica. English Series
2 Journal of Dynamical and Control Systems
2 Lobachevskii Journal of Mathematics
2 Journal of the Australian Mathematical Society
2 Ars Mathematica Contemporanea
2 São Paulo Journal of Mathematical Sciences
2 Groups, Complexity, Cryptology
2 Carpathian Mathematical Publications
2 Discrete Analysis
...and 105 more Serials
all top 5

Cited in 49 Fields

640 Group theory and generalizations (20-XX)
180 Dynamical systems and ergodic theory (37-XX)
174 Combinatorics (05-XX)
131 Computer science (68-XX)
107 Topological groups, Lie groups (22-XX)
105 Abstract harmonic analysis (43-XX)
83 Probability theory and stochastic processes (60-XX)
78 Manifolds and cell complexes (57-XX)
66 Functional analysis (46-XX)
52 Associative rings and algebras (16-XX)
37 Mathematical logic and foundations (03-XX)
37 Number theory (11-XX)
37 Measure and integration (28-XX)
36 Operator theory (47-XX)
32 Differential geometry (53-XX)
30 Nonassociative rings and algebras (17-XX)
22 General topology (54-XX)
17 Statistical mechanics, structure of matter (82-XX)
15 Algebraic geometry (14-XX)
13 Linear and multilinear algebra; matrix theory (15-XX)
12 Functions of a complex variable (30-XX)
11 Quantum theory (81-XX)
10 Algebraic topology (55-XX)
9 Partial differential equations (35-XX)
9 Global analysis, analysis on manifolds (58-XX)
8 Category theory; homological algebra (18-XX)
7 Convex and discrete geometry (52-XX)
7 Information and communication theory, circuits (94-XX)
6 Potential theory (31-XX)
6 Difference and functional equations (39-XX)
6 Operations research, mathematical programming (90-XX)
5 Order, lattices, ordered algebraic structures (06-XX)
4 General and overarching topics; collections (00-XX)
4 Commutative algebra (13-XX)
4 Several complex variables and analytic spaces (32-XX)
3 Field theory and polynomials (12-XX)
3 Real functions (26-XX)
3 Special functions (33-XX)
3 Ordinary differential equations (34-XX)
3 Mechanics of particles and systems (70-XX)
2 \(K\)-theory (19-XX)
2 Geometry (51-XX)
2 Relativity and gravitational theory (83-XX)
1 History and biography (01-XX)
1 General algebraic systems (08-XX)
1 Harmonic analysis on Euclidean spaces (42-XX)
1 Integral transforms, operational calculus (44-XX)
1 Optics, electromagnetic theory (78-XX)
1 Biology and other natural sciences (92-XX)

Citations by Year

The data are displayed as stored in Wikidata under a Creative Commons CC0 License. Updates and corrections should be made in Wikidata.