Edit Profile (opens in new tab) Choi, Yemon Compute Distance To: Compute 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 all top 5 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 all top 5 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 all top 5 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) Publications by Year all cited Publications top 5 cited Publications 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 1179.46040Choi, Y.; Ghahramani, F.; Zhang, Y. 29 2009 A nonseparable amenable operator algebra which is not isomorphic to a \(C^{\ast}\)-algebra. Zbl 1287.47057Choi, Yemon; Farah, Ilijas; Ozawa, Narutaka 12 2014 Biflatness of \(\ell^1\)-semilattice algebras. Zbl 1132.46033Choi, Yemon 9 2007 Approximate amenability of Schatten classes, Lipschitz algebras and second duals of Fourier algebras. Zbl 1228.46043Choi, Y.; Ghahramani, F. 7 2011 Weak and cyclic amenability for Fourier algebras of connected Lie groups. Zbl 1298.43004Choi, Yemon; Ghandehari, Mahya 5 2014 Extension of derivations, and Connes-amenability of the enveloping dual Banach algebra. Zbl 1328.47041Choi, Yemon; Samei, Ebrahim; Stokke, Ross 5 2015 Surveys in contemporary mathematics. Zbl 1128.00009 4 2008 On commutative, operator amenable subalgebras of finite von Neumann algebras. Zbl 1282.46054Choi, Yemon 4 2013 Weak amenability for Fourier algebras of 1-connected nilpotent Lie groups. Zbl 1328.43005Choi, Yemon; Ghandehari, Mahya 3 2015 Triviality of the generalised Lau product associated to a Banach algebra homomorphism. Zbl 1377.46029Choi, Yemon 3 2016 Simplicial cohomology of band semigroup algebras. Zbl 1263.46060Choi, Yemon; Gourdeau, Frédéric; White, Michael C. 3 2012 Translation-finite sets and weakly compact derivations from \(\ell^{1}(\mathbb Z_{+})\) to its dual. Zbl 1204.43002Choi, Y.; Heath, M. J. 3 2010 Group representations with empty residual spectrum. Zbl 1220.47005Choi, Y. 3 2010 Characterizing derivations from the disk algebra to its dual. Zbl 1251.46026Choi, Y.; Heath, M. J. 3 2011 Approximately multiplicative maps from weighted semilattice algebras. Zbl 1317.46033Choi, Yemon 3 2013 Directly finite algebras of pseudofunctions on locally compact groups. Zbl 1405.22005Choi, Yemon 2 2015 ZL-amenability constants of finite groups with two character degrees. Zbl 1300.43004Alaghmandan, Mahmood; Choi, Yemon; Samei, Ebrahim 2 2014 Quotients of Fourier algebras, and representations which are not completely bounded. Zbl 1275.43005Choi, Yemon; Samei, Ebrahim 2 2013 Injective convolution operators on \(\ell^\infty(\Gamma)\) are surjective. Zbl 1211.43001Choi, Yemon 2 2010 ZL-amenability and characters for the restricted direct products of finite groups. Zbl 1308.43003Alaghmandan, Mahmood; Choi, Yemon; Samei, Ebrahim 1 2014 Simplicial homology and Hochschild cohomology of Banach semilattice algebras. Zbl 1112.46056Choi, Yemon 1 2006 Hochschild homology and cohomology of \(\ell ^1 (\mathbb Z_+^k)\). Zbl 1194.46110Choi, Yemon 1 2010 Splitting maps and norm bounds for the cyclic cohomology of biflat Banach algebras. Zbl 1208.46070Choi, Yemon 1 2010 Stability of characters and filters for weighted semilattices. Zbl 1471.46050Choi, Yemon; Ghandehari, Mahya; Pham, Hung Le 1 2021 Stability of characters and filters for weighted semilattices. Zbl 1471.46050Choi, Yemon; Ghandehari, Mahya; Pham, Hung Le 1 2021 Triviality of the generalised Lau product associated to a Banach algebra homomorphism. Zbl 1377.46029Choi, Yemon 3 2016 Extension of derivations, and Connes-amenability of the enveloping dual Banach algebra. Zbl 1328.47041Choi, Yemon; Samei, Ebrahim; Stokke, Ross 5 2015 Weak amenability for Fourier algebras of 1-connected nilpotent Lie groups. Zbl 1328.43005Choi, Yemon; Ghandehari, Mahya 3 2015 Directly finite algebras of pseudofunctions on locally compact groups. Zbl 1405.22005Choi, Yemon 2 2015 A nonseparable amenable operator algebra which is not isomorphic to a \(C^{\ast}\)-algebra. Zbl 1287.47057Choi, Yemon; Farah, Ilijas; Ozawa, Narutaka 12 2014 Weak and cyclic amenability for Fourier algebras of connected Lie groups. Zbl 1298.43004Choi, Yemon; Ghandehari, Mahya 5 2014 ZL-amenability constants of finite groups with two character degrees. Zbl 1300.43004Alaghmandan, Mahmood; Choi, Yemon; Samei, Ebrahim 2 2014 ZL-amenability and characters for the restricted direct products of finite groups. Zbl 1308.43003Alaghmandan, Mahmood; Choi, Yemon; Samei, Ebrahim 1 2014 On commutative, operator amenable subalgebras of finite von Neumann algebras. Zbl 1282.46054Choi, Yemon 4 2013 Approximately multiplicative maps from weighted semilattice algebras. Zbl 1317.46033Choi, Yemon 3 2013 Quotients of Fourier algebras, and representations which are not completely bounded. Zbl 1275.43005Choi, Yemon; Samei, Ebrahim 2 2013 Simplicial cohomology of band semigroup algebras. Zbl 1263.46060Choi, Yemon; Gourdeau, Frédéric; White, Michael C. 3 2012 Approximate amenability of Schatten classes, Lipschitz algebras and second duals of Fourier algebras. Zbl 1228.46043Choi, Y.; Ghahramani, F. 7 2011 Characterizing derivations from the disk algebra to its dual. Zbl 1251.46026Choi, Y.; Heath, M. J. 3 2011 Translation-finite sets and weakly compact derivations from \(\ell^{1}(\mathbb Z_{+})\) to its dual. Zbl 1204.43002Choi, Y.; Heath, M. J. 3 2010 Group representations with empty residual spectrum. Zbl 1220.47005Choi, Y. 3 2010 Injective convolution operators on \(\ell^\infty(\Gamma)\) are surjective. Zbl 1211.43001Choi, Yemon 2 2010 Hochschild homology and cohomology of \(\ell ^1 (\mathbb Z_+^k)\). Zbl 1194.46110Choi, Yemon 1 2010 Splitting maps and norm bounds for the cyclic cohomology of biflat Banach algebras. Zbl 1208.46070Choi, Yemon 1 2010 Approximate and pseudo-amenability of various classes of Banach algebras. Zbl 1179.46040Choi, Y.; Ghahramani, F.; Zhang, Y. 29 2009 Surveys in contemporary mathematics. Zbl 1128.00009 4 2008 Biflatness of \(\ell^1\)-semilattice algebras. Zbl 1132.46033Choi, Yemon 9 2007 Simplicial homology and Hochschild cohomology of Banach semilattice algebras. Zbl 1112.46056Choi, Yemon 1 2006 all cited Publications top 5 cited Publications all top 5 Cited by 102 Authors 10 Choi, Yemon 10 Sahami, Amir 8 Pourabbas, Abdolrasoul 6 Essmaili, Morteza 5 Ghahramani, Fereidoun 5 Ghandehari, Mahya 5 Zhang, Yong 4 Rostami, Mehdi 4 Shariati, Seyedeh Fatemeh 3 Alaghmandan, Mahmood 3 Askari-Sayah, M. 3 Gourdeau, Frédéric 3 Piszczek, Krzysztof 3 Pourmahmood-Aghababa, Hasan 3 Read, Charles John 3 Rejali, Ali 3 Samei, Ebrahim 3 Sattari, Mohammad Hossein 3 Spronk, Nico 3 Voiculescu, Dan-Virgil 2 Bodaghi, Abasalt 2 Farah, Ilijas 2 Khedri, Fourogh 2 Koszmider, Piotr B. 2 Laustsen, Niels Jakob 2 Lee, Hun Hee 2 Medghalchi, Ali Reza 2 Nemati, Mehdi 2 Pham, Hung Le 2 Soroushmehr, Maedeh 2 Vils Pedersen, Thomas 2 White, Michael Christopher 1 Amini, Massoud 1 Arslan, Berna 1 Asanov, Gennadii S. 1 Barootkoob, Sedigheh 1 Ber, Aleksey Feliksovich 1 Bestvina, Mladen 1 Bice, Tristan Matthew 1 Biyabani, Emamgholi 1 Brannan, Michael 1 Bromberg, Kenneth W. 1 Clouâtre, Raphaël 1 Crisp, Tyrone 1 Esmailvandi, Reza 1 Fallahi, Kamal 1 Farhat, Yasser 1 Fujiwara, Koji 1 García, Domingo 1 Ghaderi, Eghbal 1 Ghahramani, Hoger 1 Ghamarshoushtari, Reza 1 Ghasemi, Mina 1 Ghasemi, Saeed 1 Gheorghe, Filofteia 1 Gilmore, Paul C. 1 Goodrich, Christopher S. 1 Hatami, Hamed 1 Horváth, Bence 1 Hosseinzadeh, Hassan 1 Huang, Jinghao 1 Inceboz, Hulya G. 1 Jabbari, Ali 1 Jain, Ranjana 1 Jordá, Enrique 1 Kazemi Torbaghan, Seyed Mehdi 1 Khosravi, Maryam 1 Levitina, Galina Borisovna 1 Lizama, Carlos 1 Loy, Richard J. 1 Ludwig, Jean 1 Maestre, Manuel 1 Marcoux, Laurent W. 1 Marzijarani, Azam Salehi 1 Mehdipour, Mohammad Javad 1 Mewomo, Oluwatosin Temitope 1 Minapoor, Ahmad 1 Motlagh, Abolfazl Niazi 1 Nasr-Isfahani, Rasoul 1 Olfatian Gillan, B. 1 Ozawa, Narutaka 1 Pianskool, Sajee 1 Ramsden, Paul 1 Razi, Narjes 1 Roydor, Jean 1 Ruinskiy, Dima 1 Salehi Marzijarani, A. 1 Sassanapitax, Lee 1 Shafieasl, Hamid 1 Shamir, Adi 1 Shelah, Saharon 1 Shi, Luoyi 1 Siraworakun, Apirat 1 Sukochev, Fedor Anatol’evich 1 Talwar, Bharat 1 Tessera, Romain 1 Tsaban, Boaz 1 Tsiknis, George K. 1 Vaccaro, Andrea 1 White, Jared T. ...and 2 more Authors all top 5 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 all top 5 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) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. Updates and corrections should be made in Wikidata.