Found 120 Documents (Results 1–100)
Tensor-product coaction functors. (English) Zbl 1493.46086
Reviewer: Alcides Buss (Florianópolis)
Yetter-Drinfel’d algebras and coideals of weak Hopf \(C^*\)-algebras. (English) Zbl 1454.18015
Reviewer: Hirokazu Nishimura (Tsukuba)
Auslander’s theorem for group coactions on Noetherian graded down-up algebras. (English) Zbl 1460.16032
Geometrically partial actions. (English) Zbl 1452.18020
Reviewer: Paolo Saracco (Bruxelles)
Classifying (weak) coideal subalgebras of weak Hopf \(C^\ast \)-algebras. (English) Zbl 1446.16037
Reviewer: Serban Raianu (Carson)
Cleft coextension for symmetric twisted partial coactions on coalgebras. (English) Zbl 1472.16029
Reviewer: Yang Shilin (Beijing)
MSC:
16T05
Equivariant Picard groups of \(C^\ast\)-algebras with finite dimensional \(C^\ast\)-Hopf algebra coactions. (English) Zbl 1387.46044
Weakly proper group actions, Mansfield’s imprimitivity and twisted Landstad duality. (English) Zbl 1405.46049
Tannaka-Krein duality for compact quantum group coactions (survey). (English) Zbl 1363.46047
Reviewer: Anatoly N. Kochubei (Kyïv)
Maximality of dual coactions on sectional \(C^*\)-algebras of Fell bundles and applications. (English) Zbl 1351.46065
Galois bimodules and integrality of PI comodule algebras over invariants. (English) Zbl 1329.16028
Reviewer: George Szeto (Peoria)
Power operations and coactions in highly commutative homology theories. (English) Zbl 1351.55014
Reviewer: Steffen Sagave (Nijmegen)
Universal and exotic generalized fixed-point algebras for weakly proper actions and duality. (English) Zbl 1320.46052
On generalized partial twisted smash products. (English) Zbl 1338.16036
Reviewer: Yang Shilin (Beijing)
Contractive spectral triples for crossed products. (English) Zbl 1316.58006
Reviewer: Stefan Wagner (Hamburg)
L-R smash coproducts for multiplier Hopf algebras. (Chinese. English summary) Zbl 1313.16060
Structure theorems for rings under certain coactions of a Hopf algebra. (English) Zbl 1288.16046
Reviewer: George Szeto (Peoria)
The category of partial Doi-Hopf modules and functors. (English) Zbl 1284.16037
Reviewer: Earl J. Taft (New Brunswick)
A monoidal structure on the category of relative Hopf modules. (English) Zbl 1277.16022
Reviewer: Jörg Feldvoss (Mobile)
The geometric reductivity of the quantum group \(SL_q(2)\). (English) Zbl 1234.16021
Reviewer: Volodymyr Mazorchuk (Uppsala)
Reflective-coreflective equivalence. (English) Zbl 1232.18002
Reviewer: Karim Boulabiar (Tunis)
Globalization theorems for partial Hopf (co)actions, and some of their applications. (English) Zbl 1232.16020
Polcino Milies, César (ed.), Groups, algebras and applications. XVIII Latin American algebra colloquium, São Pedro, Brazil, August 3–8, 2009. Proceedings. Providence, RI: American Mathematical Society (AMS) (ISBN 978-0-8218-5239-2/pbk). Contemporary Mathematics 537, 13-30 (2011).
Reviewer: Constantin Năstăsescu (Bucureşti)
Cohomology for coalgebras with twisted coactions of commutative Hopf algebras. (Chinese. English summary) Zbl 1224.16081
Integrability of dual coactions on Fell bundle \(C^*\)-algebras. (English) Zbl 1235.46064
Reviewer: Dana P. Williams (Hanover)
Enveloping actions for partial Hopf actions. (English) Zbl 1226.16022
Reviewer: Michael Dokuchaev (São Paulo)
Coactions of Hopf algebras on algebras in positive characteristic. (English) Zbl 1216.16019
Reviewer: Jörg Feldvoss (Mobile)
Coinvariants for a coadjoint action of quantum matrices. (English. Russian original) Zbl 1245.16016
Algebra Logic 48, No. 4, 239-249 (2009); translation from Algebra Logika 48, No. 4, 425-442 (2009).
Partial (co)actions of Hopf algebras and partial Hopf-Galois theory. (English) Zbl 1168.16021
Reviewer: Edward S. Letzter (Philadelphia)
Algebraic quantum permutation groups. (English) Zbl 1170.16028
Reviewer: Edward S. Letzter (Philadelphia)
Normality for an inclusion of ergodic discrete measured equivalence relations in the von Neumann algebraic framework. (English) Zbl 1136.46046
Reviewer: Victor Sharapov (Volgograd)
Induction in stages for crossed products of \(C^{*}\)-algebras by maximal coactions. (English) Zbl 1134.46045
MSC:
46L55
Hopf algebras. (English) Zbl 1210.16029
Hazewinkel, M. (ed.), Handbook of algebra. Volume 4. Amsterdam: Elsevier/North-Holland (ISBN 978-0-444-52213-9/hbk). Handbook of Algebra 4, 173-239 (2006).
Reviewer: Florin Nicolae (Berlin)
Actions and coactions of measured groupoids on \(W^{\ast}\)-algebras. (English) Zbl 1111.46048
Reviewer: Victor Sharapov (Volgograd)
Ergodic coactions with large multiplicity and monoidal equivalence of quantum groups. (English) Zbl 1122.46046
Reviewer: Victor Sharapov (Volgograd)
On the twisting and Drinfel’d double for multiplier Hopf algebras. (English) Zbl 1120.16037
Reviewer: José Gómez Torrecillas (Granada)
MSC:
16W30
16W50
A categorical approach to imprimitivity theorems of \(C^{\ast}\)-dynamical systems. (English) Zbl 1097.46042
Mem. Am. Math. Soc. 850, 169 p. (2006).
Reviewer: Sh. A. Ayupov (Tashkent)
A new approach to induction and imprimitivity results. (English) Zbl 1087.22005
Reviewer: Tomasz Brzeziński (Swansea)
The van Est spectral sequence for Hopf algebras. (English) Zbl 1087.16024
Reviewer: Nicolás Andruskiewitsch (Cordoba)
Free quantum analogues of the first fundamental theorems of invariant theory. (English) Zbl 1095.16020
Reviewer: Edward S. Letzter (Philadelphia)
The Chern-Galois character. (English) Zbl 1061.16037
MSC:
16W30
Weakly multiplicative coactions of quantized function algebras. (English) Zbl 1045.16017
Reviewer: Kenneth A. Brown (Glasgow)
Orbits for the adjoint coaction on quantum matrices. (English) Zbl 1031.16023
Reviewer: Tomasz Brzeziński (Swansea)
On problems in the theory of quantum polynomials. (Russian) Zbl 1099.16513
Ukrainian mathematical congress – 2001. Algebraic structures and their applications. Proceedings of the third international algebraic conference held in framework of the Ukrainian mathematical congress, Kiev, Ukraine, July 2–8, 2001. Kyïv: Instytut Matematyky NAN Ukraïny (ISBN 966-02-2777-9). 50-62 (2002).
Dual quasi-Hopf algebra coactions, smash coproducts and relative Hopf modules. (English) Zbl 1052.16024
MSC:
16W30
16S40
Full duality for coactions of discrete groups. (English) Zbl 1026.46058
Reviewer: Victor Sharapov (Volgograd)
MSC:
46L55
Induced corepresentations of locally compact quantum groups. (English) Zbl 1038.46057
Reviewer: Jürgen Tolksdorf (Leipzig)
Actions of Hopf algebras on quantum polynomials. (English) Zbl 0995.16029
Coelho, Flávio Ulhoa (ed.) et al., Representations of algebras. Proceedings of the conference, São Paulo, Brazil, July 19-24, 1999. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 224, 11-20 (2002).
Reviewer: Volodymyr Mazorchuk (Uppsala)
MSC:
16W30
16S40
Equalizers and coactions of groups. (English) Zbl 1049.20011
Reviewer: Martyn Dixon (Tuscaloosa)
The status and programs of scale relativity theory. (English) Zbl 1173.46307
Reviewer: Jürgen Tolksdorf (Freiberg)
Quantum algebraic tori. (English. Russian original) Zbl 0995.16034
Math. Notes 69, No. 4, 537-545 (2001); translation from Mat. Zametki 69, No. 4, 591-599 (2001).
Reviewer: Paul M.Cohn (London)
MSC:
16W35
16K20
Double bicrossproducts in braided tensor categories. (English) Zbl 0995.16033
Reviewer: Li Fang (Hangzhou)
Quantum coinvariant theory for the quantum special linear group and quantum Schubert varieties. (English) Zbl 0990.20032
Reviewer: Ye Jiachen (Shanghai)
Invariants of the adjoint coaction and Yetter-Drinfeld categories. (English) Zbl 0982.16030
Reviewer: Sonia Natale (Cordoba)
MSC:
16W30
Actions of pointed Hopf algebras on quantum polynomials. (English. Russian original) Zbl 1033.16015
Russ. Math. Surv. 55, No. 6, 1137-1138 (2000); translation from Usp. Mat. Nauk 55, No. 6, 125-126 (2000).
Braided covariance of the braided differential bialgebras under quantized braided groups. (English) Zbl 1011.17016
The duality theorem for coactions of multiplier Hopf algebras. (English) Zbl 0978.16037
Van Oystaeyen, Freddy (ed.) et al., Interactions between ring theory and representations of algebras. Proceedings of the conference, Murcia, Spain. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 210, 413-422 (2000).
Reviewer: Alan Koch (Decatur)
Representations and corepresentations of Hopf algebras. (English) Zbl 0982.16029
Van Oystaeyen, Freddy (ed.) et al., Interactions between ring theory and representations of algebras. Proceedings of the conference, Murcia, Spain. New York, NY: Marcel Dekker. Lect. Notes Pure Appl. Math. 210, 67-80 (2000).
Reviewer: Sorin Dascalescu (Bucureşti)
MSC:
16W30
Universal commutative Hopf algebras coacting on quantum polynomials. (Russian. English summary) Zbl 1005.16033
Reviewer: Volodymyr Mazorchuk (Uppsala)
Induced coactions of discrete groups on \(C^*\)-algebras. (English) Zbl 0934.46066
Reviewer: Byung-Jay Kahng
Full crossed products by coactions, \(C_0(X)\)-algebras and \(C^*\)-bundles. (English) Zbl 0987.46046
Particles and quantum symmetries. (English) Zbl 0939.16023
Reviewer: B.Fauser (Tübingen)
Galois theory for multiplier Hopf algebras with integrals. (English) Zbl 0929.16038
Reviewer: Sorin Dascalescu (Bucureşti)
Coalgebra extensions and algebra coextensions of Galois type. (English) Zbl 0923.16031
Reviewer: Margaret Beattie (Sackville)
MSC:
16W30
16W20
Combinatorial foundation of homology and homotopy. Applications to spaces, diagrams, transformation groups, compactifications, differential algebras, algebraic theories, simplicial objects, and resolutions. (English) Zbl 0920.55001
Springer Monographs in Mathematics. Berlin: Springer. xv, 362 p. (1999).
Reviewer: Victor P.Snaith (Southampton)
\(n\)-dimensional actions of finite Abelian Hopf algebras in characteristic \(p>0\). (English) Zbl 1001.16028
On the structure of the \(B\)-cocleft module coalgebra. (English) Zbl 0980.16034
Reviewer: Chen Hui-Xiang (Yangzhou)
A remark on Mansfield’s imprimitivity theorem. (English) Zbl 0905.46044
MSC:
46L55
Toeplitz \(C^*\)-algebras over non-convex cones and pseudo-symmetric spaces. (English) Zbl 0918.47027
Ramírez de Arellano, E. (ed.) et al., Operator theory for complex and hypercomplex analysis. Proceedings of a conference, Mexico City, Mexico, December 12–17, 1994. Providence, RI: American Mathematical Society. Contemp. Math. 212, 109-131 (1998).
Reviewer: J.Zemánek (Warszawa)
Coactions of Hopf algebras on Cuntz algebras and their fixed point algebras. (English) Zbl 0870.46045
Crossed products of \(C^*\)-algebras by coactions of locally compact groups. (English) Zbl 0907.46050
Doplicher, S. (ed.) et al., Operator algebras and quantum field theory. Proceedings of the conference dedicated to Daniel Kastler in celebration of his 70th birthday, Accademia Nazionale dei Lincei, Roma, Italy, July 1–6, 1996. Cambridge, MA: International Press. 74-84 (1997).
MSC:
46L55
A Hilbert \(C\)*-module method for Morita equivalence of twisted crossed products. (English) Zbl 0870.46047
The bicrossed products of Hopf algebras. (Chinese. English summary) Zbl 0864.16035
Morita theorems for Hopf comodule coalgebras. (English) Zbl 0863.16031
Reviewer: D.Fischman (San Bernadino)
MSC:
16W30
16D40
Discrete coactions on \(C^*\)-algebras. (English) Zbl 0852.46057
MSC:
46L55
Discrete coactions on Hilbert \(C^*\)-modules. (English) Zbl 0903.46046
Reviewer: H.Mascart (Toulouse)
The stabilisation trick for coactions. (English) Zbl 0929.46054
Reviewer: Isamu Dôku (Urawa)
Multipliers of imprimitivity bimodules and Morita equivalence of crossed products. (English) Zbl 0843.46049
Reviewer: S.Echterhoff (Paderborn)
Extensions of Hopf algebras. (English) Zbl 0857.16032
St. Petersbg. Math. J. 7, No. 1, 17-52 (1996); translation from Algebra Anal. 7, No. 1, 22-61 (1995).
Reviewer: E.J.Taft (New Brunswick)
MSC:
16W30
Full and reduced \(C^*\)-coactions. (English) Zbl 0830.22005
Math. Proc. Camb. Philos. Soc. 116, No. 3, 435-450 (1994); erratum ibid. 161, No. 2, 379-380 (2016).
Reviewer: M.B.Bekka (Metz)
Landstad duality for coactions on \(C^*\)-algebras. (English) Zbl 0804.46080
Curto, Raúl E. (ed.) et al., Algebraic methods in operator theory. Boston, MA: Birkhäuser. 291-295 (1994).
MSC:
46L55
A right crossed product and duality. (English) Zbl 0819.16025
Reviewer: B.Pareigis (München)
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