## Choi, Yemon

Compute Distance To:
 Author ID: choi.yemon Published as: Choi, Yemon; Choi, Y. Homepage: https://www.maths.lancs.ac.uk/~choiy1/pubmath/papers.html External Links: MGP · Wikidata · arXiv · Google Scholar · MathOverflow
 Documents Indexed: 35 Publications since 2006 1 Contribution as Editor Co-Authors: 15 Co-Authors with 17 Joint Publications 238 Co-Co-Authors
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### Co-Authors

 19 single-authored 5 Ghandehari, Mahya 4 Samei, Ebrahim 2 Alaghmandan, Mahmood 2 Ghahramani, Fereidoun 2 Heath, Matthew J. 2 Pham, Hung Le 1 Farah, Ilijas 1 Gourdeau, Frédéric 1 Horváth, Bence 1 Laustsen, Niels Jakob 1 Ozawa, Narutaka 1 Stokke, Ross 1 White, Michael Christopher 1 Young, Nicholas John 1 Zhang, Yong
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### Serials

 3 Journal of Functional Analysis 2 Journal of Mathematical Analysis and Applications 2 Canadian Mathematical Bulletin 2 Glasgow Mathematical Journal 2 Integral Equations and Operator Theory 2 Proceedings of the American Mathematical Society 2 Semigroup Forum 2 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 2 The Quarterly Journal of Mathematics 1 Bulletin of the Australian Mathematical Society 1 Houston Journal of Mathematics 1 Advances in Mathematics 1 Bulletin of the London Mathematical Society 1 Journal für die Reine und Angewandte Mathematik 1 Mathematica Scandinavica 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Transactions of the American Mathematical Society 1 European Journal of Combinatorics 1 Journal of the Australian Mathematical Society 1 London Mathematical Society Lecture Note Series 1 Complex Analysis and Operator Theory 1 Annals of Functional Analysis 1 International Journal of Group Theory 1 Forum of Mathematics, Sigma
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### Fields

 27 Functional analysis (46-XX) 21 Abstract harmonic analysis (43-XX) 11 Operator theory (47-XX) 5 Group theory and generalizations (20-XX) 3 Associative rings and algebras (16-XX) 3 Topological groups, Lie groups (22-XX) 2 Mathematical logic and foundations (03-XX) 2 Order, lattices, ordered algebraic structures (06-XX) 1 General and overarching topics; collections (00-XX) 1 Commutative algebra (13-XX) 1 Category theory; homological algebra (18-XX) 1 Difference and functional equations (39-XX)

### Citations contained in zbMATH Open

24 Publications have been cited 109 times in 92 Documents Cited by Year
Approximate and pseudo-amenability of various classes of Banach algebras. Zbl 1179.46040
Choi, Y.; Ghahramani, F.; Zhang, Y.
2009
A nonseparable amenable operator algebra which is not isomorphic to a $$C^{\ast}$$-algebra. Zbl 1287.47057
Choi, Yemon; Farah, Ilijas; Ozawa, Narutaka
2014
Biflatness of $$\ell^1$$-semilattice algebras. Zbl 1132.46033
Choi, Yemon
2007
Approximate amenability of Schatten classes, Lipschitz algebras and second duals of Fourier algebras. Zbl 1228.46043
Choi, Y.; Ghahramani, F.
2011
Weak and cyclic amenability for Fourier algebras of connected Lie groups. Zbl 1298.43004
Choi, Yemon; Ghandehari, Mahya
2014
Extension of derivations, and Connes-amenability of the enveloping dual Banach algebra. Zbl 1328.47041
Choi, Yemon; Samei, Ebrahim; Stokke, Ross
2015
Surveys in contemporary mathematics. Zbl 1128.00009
2008
On commutative, operator amenable subalgebras of finite von Neumann algebras. Zbl 1282.46054
Choi, Yemon
2013
Weak amenability for Fourier algebras of 1-connected nilpotent Lie groups. Zbl 1328.43005
Choi, Yemon; Ghandehari, Mahya
2015
Triviality of the generalised Lau product associated to a Banach algebra homomorphism. Zbl 1377.46029
Choi, Yemon
2016
Simplicial cohomology of band semigroup algebras. Zbl 1263.46060
Choi, Yemon; Gourdeau, Frédéric; White, Michael C.
2012
Translation-finite sets and weakly compact derivations from $$\ell^{1}(\mathbb Z_{+})$$ to its dual. Zbl 1204.43002
Choi, Y.; Heath, M. J.
2010
Group representations with empty residual spectrum. Zbl 1220.47005
Choi, Y.
2010
Characterizing derivations from the disk algebra to its dual. Zbl 1251.46026
Choi, Y.; Heath, M. J.
2011
Approximately multiplicative maps from weighted semilattice algebras. Zbl 1317.46033
Choi, Yemon
2013
Directly finite algebras of pseudofunctions on locally compact groups. Zbl 1405.22005
Choi, Yemon
2015
ZL-amenability constants of finite groups with two character degrees. Zbl 1300.43004
Alaghmandan, Mahmood; Choi, Yemon; Samei, Ebrahim
2014
Quotients of Fourier algebras, and representations which are not completely bounded. Zbl 1275.43005
Choi, Yemon; Samei, Ebrahim
2013
Injective convolution operators on $$\ell^\infty(\Gamma)$$ are surjective. Zbl 1211.43001
Choi, Yemon
2010
ZL-amenability and characters for the restricted direct products of finite groups. Zbl 1308.43003
Alaghmandan, Mahmood; Choi, Yemon; Samei, Ebrahim
2014
Simplicial homology and Hochschild cohomology of Banach semilattice algebras. Zbl 1112.46056
Choi, Yemon
2006
Hochschild homology and cohomology of $$\ell ^1 (\mathbb Z_+^k)$$. Zbl 1194.46110
Choi, Yemon
2010
Splitting maps and norm bounds for the cyclic cohomology of biflat Banach algebras. Zbl 1208.46070
Choi, Yemon
2010
Stability of characters and filters for weighted semilattices. Zbl 1471.46050
Choi, Yemon; Ghandehari, Mahya; Pham, Hung Le
2021
Stability of characters and filters for weighted semilattices. Zbl 1471.46050
Choi, Yemon; Ghandehari, Mahya; Pham, Hung Le
2021
Triviality of the generalised Lau product associated to a Banach algebra homomorphism. Zbl 1377.46029
Choi, Yemon
2016
Extension of derivations, and Connes-amenability of the enveloping dual Banach algebra. Zbl 1328.47041
Choi, Yemon; Samei, Ebrahim; Stokke, Ross
2015
Weak amenability for Fourier algebras of 1-connected nilpotent Lie groups. Zbl 1328.43005
Choi, Yemon; Ghandehari, Mahya
2015
Directly finite algebras of pseudofunctions on locally compact groups. Zbl 1405.22005
Choi, Yemon
2015
A nonseparable amenable operator algebra which is not isomorphic to a $$C^{\ast}$$-algebra. Zbl 1287.47057
Choi, Yemon; Farah, Ilijas; Ozawa, Narutaka
2014
Weak and cyclic amenability for Fourier algebras of connected Lie groups. Zbl 1298.43004
Choi, Yemon; Ghandehari, Mahya
2014
ZL-amenability constants of finite groups with two character degrees. Zbl 1300.43004
Alaghmandan, Mahmood; Choi, Yemon; Samei, Ebrahim
2014
ZL-amenability and characters for the restricted direct products of finite groups. Zbl 1308.43003
Alaghmandan, Mahmood; Choi, Yemon; Samei, Ebrahim
2014
On commutative, operator amenable subalgebras of finite von Neumann algebras. Zbl 1282.46054
Choi, Yemon
2013
Approximately multiplicative maps from weighted semilattice algebras. Zbl 1317.46033
Choi, Yemon
2013
Quotients of Fourier algebras, and representations which are not completely bounded. Zbl 1275.43005
Choi, Yemon; Samei, Ebrahim
2013
Simplicial cohomology of band semigroup algebras. Zbl 1263.46060
Choi, Yemon; Gourdeau, Frédéric; White, Michael C.
2012
Approximate amenability of Schatten classes, Lipschitz algebras and second duals of Fourier algebras. Zbl 1228.46043
Choi, Y.; Ghahramani, F.
2011
Characterizing derivations from the disk algebra to its dual. Zbl 1251.46026
Choi, Y.; Heath, M. J.
2011
Translation-finite sets and weakly compact derivations from $$\ell^{1}(\mathbb Z_{+})$$ to its dual. Zbl 1204.43002
Choi, Y.; Heath, M. J.
2010
Group representations with empty residual spectrum. Zbl 1220.47005
Choi, Y.
2010
Injective convolution operators on $$\ell^\infty(\Gamma)$$ are surjective. Zbl 1211.43001
Choi, Yemon
2010
Hochschild homology and cohomology of $$\ell ^1 (\mathbb Z_+^k)$$. Zbl 1194.46110
Choi, Yemon
2010
Splitting maps and norm bounds for the cyclic cohomology of biflat Banach algebras. Zbl 1208.46070
Choi, Yemon
2010
Approximate and pseudo-amenability of various classes of Banach algebras. Zbl 1179.46040
Choi, Y.; Ghahramani, F.; Zhang, Y.
2009
Surveys in contemporary mathematics. Zbl 1128.00009
2008
Biflatness of $$\ell^1$$-semilattice algebras. Zbl 1132.46033
Choi, Yemon
2007
Simplicial homology and Hochschild cohomology of Banach semilattice algebras. Zbl 1112.46056
Choi, Yemon
2006
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### Cited in 48 Serials

 13 Semigroup Forum 12 Journal of Mathematical Analysis and Applications 5 Journal of Functional Analysis 3 Bulletin of the Australian Mathematical Society 3 Integral Equations and Operator Theory 3 Proceedings of the American Mathematical Society 3 Asian-European Journal of Mathematics 2 Advances in Mathematics 2 Archiv der Mathematik 2 Glasgow Mathematical Journal 2 Pacific Journal of Mathematics 2 Filomat 2 Journal of the Australian Mathematical Society 2 Kragujevac Journal of Mathematics 2 Journal of Noncommutative Geometry 1 Communications in Mathematical Physics 1 Reports on Mathematical Physics 1 Journal of Geometry and Physics 1 Canadian Mathematical Bulletin 1 Commentarii Mathematici Helvetici 1 Quaestiones Mathematicae 1 Theoretical Computer Science 1 Transactions of the American Mathematical Society 1 European Journal of Combinatorics 1 Bulletin of the Korean Mathematical Society 1 Expositiones Mathematicae 1 Boletín de la Sociedad Matemática Mexicana. Third Series 1 Discrete and Continuous Dynamical Systems 1 Analysis (München) 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Central European Journal of Mathematics 1 Journal of the Institute of Mathematics of Jussieu 1 Journal of Algebra and its Applications 1 Mediterranean Journal of Mathematics 1 Complex Analysis and Operator Theory 1 Journal of Mathematical Cryptology 1 Groups, Geometry, and Dynamics 1 International Journal of Nonlinear Analysis and Applications 1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 1 Eurasian Mathematical Journal 1 International Journal of Group Theory 1 Forum of Mathematics, Sigma 1 International Journal of Analysis and Applications 1 Complex Analysis and its Synergies 1 Journal of Linear and Topological Algebra 1 Sahand Communications in Mathematical Analysis 1 Bollettino dell’Unione Matematica Italiana 1 Cogent Mathematics & Statistics
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### Cited in 21 Fields

 73 Functional analysis (46-XX) 44 Abstract harmonic analysis (43-XX) 23 Operator theory (47-XX) 15 Group theory and generalizations (20-XX) 7 Mathematical logic and foundations (03-XX) 7 Topological groups, Lie groups (22-XX) 4 Associative rings and algebras (16-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Difference and functional equations (39-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Category theory; homological algebra (18-XX) 1 Real functions (26-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Integral transforms, operational calculus (44-XX) 1 Differential geometry (53-XX) 1 General topology (54-XX) 1 Manifolds and cell complexes (57-XX) 1 Numerical analysis (65-XX) 1 Quantum theory (81-XX) 1 Relativity and gravitational theory (83-XX) 1 Information and communication theory, circuits (94-XX)

### Wikidata Timeline

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