Kjeld Bagger Laursen
Emeritus
Department of Mathematical Sciences
Universitetsparken 5
2100 København Ø
- 1965
- Published
A characterization of reflexivity in Banach spaces
Laursen, Kjeld Bagger, 1965, In: Mathematica Scandinavica. 16, p. 169-174Research output: Contribution to journal › Journal article › Research › peer-review
- 1969
- Published
Ideal structure in generalized group algebras
Laursen, Kjeld Bagger, 1969, In: Pacific Journal of Mathematics. 30, p. 155-174Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tensor products of Banach algebras with involution
Laursen, Kjeld Bagger, 1969, In: Transactions of the American Mathematical Society. 136, p. 467-487Research output: Contribution to journal › Journal article › Research › peer-review
- 1970
- Published
Maximal two-sided ideals in tensor products of Banach algebras
Laursen, Kjeld Bagger, 1970, In: Proceedings of the American Mathematical Society. 25, p. 475-480Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mergelyan's theorem for vector-valued functions with an application to slice algebras
Laursen, Kjeld Bagger, Briem, E. & Pedersen, N. W., 1970, In: Studia Mathematica. 25Research output: Contribution to journal › Journal article › Research › peer-review
- 1972
- Published
Equivalence of algebra norms on L1(G)
Laursen, Kjeld Bagger, 1972, In: Proceedings of the American Mathematical Society. 34, p. 316Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On discontinuous homomorphisms of L1(G)
Laursen, Kjeld Bagger, 1972, In: Mathematica Scandinavica. 30, p. 263-266Research output: Contribution to journal › Journal article › Research › peer-review
- 1973
- Published
A note on lifting of matrix units in C*-algebras
Laursen, Kjeld Bagger, 1973, In: Mathematica Scandinavica. 33, p. 338-342Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Automatic continuity in Banach spaces and algebras
Laursen, Kjeld Bagger & Stein, Jr, J. D., 1973, In: American Journal of Mathematics. 95, p. 495-505Research output: Contribution to journal › Journal article › Research › peer-review
- 1974
- Published
Symmetry of generalized group algebras
Laursen, Kjeld Bagger, 1974, In: Proceedings of the American Mathematical Society. p. 318-322Research output: Contribution to journal › Journal article › Research › peer-review
- 1975
- Published
Lifting matrix units in C*-algebras II
Laursen, Kjeld Bagger & Sinclair, A. M., 1975, In: Mathematica Scandinavica. 37, p. 167-172Research output: Contribution to journal › Journal article › Research › peer-review
- 1976
- Published
Continuity of linear maps from C*-algebras
Laursen, Kjeld Bagger, 1976, In: Pacific Journal of Mathematics. 61, p. 483-491Research output: Contribution to journal › Journal article › Research › peer-review
Some remarks on automatic continuity
Laursen, Kjeld Bagger, 1976, Springer Lecture Notes in Mathematics, vol. 512. Springer, Vol. 512. p. 96-108Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1977
- Published
Automatic continuity in algebras of differentiable functions
Laursen, Kjeld Bagger, Bade, W. G. & Curtis, P. C., 1977, In: Mathematica Scandinavica. 40, p. 249-270Research output: Contribution to journal › Journal article › Research › peer-review
- 1979
- Published
Kan man kun differentiere på én måde?
Laursen, Kjeld Bagger, 1979, In: Normat - Nordisk Matematisk Tidsskrift. 27, p. 107-111Research output: Contribution to journal › Journal article › Research › peer-review
- 1980
- Published
Divisible subspaces and problems of automatic continuity
Laursen, Kjeld Bagger, Bade, W. G. & Curtis, P. C., 1980, In: Studia Mathematica. 68, p. 159-186Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prime ideals and automatic continuity in algebras of differentiable functions
Laursen, Kjeld Bagger, 1980, In: Journal of Functional Analysis. 38, p. 16-24Research output: Contribution to journal › Journal article › Research › peer-review
- 1981
- Published
Automatic continuity of generalized intertwining operators
Laursen, Kjeld Bagger, 1981, In: Dissertationes Mathematicae. 189Research output: Contribution to journal › Journal article › Research › peer-review
- 1983
- Published
Central factorization in C*-algebras and continuity of homomorphisms
Laursen, Kjeld Bagger, 1983, In: Journal of the London Mathematical Society. 28, 2, p. 123-130Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Ideal structure of radical sequence algebras
Laursen, Kjeld Bagger, Bade, W. G. & Dales, H. G., 1983, Springer Lecture Notes in Mathematics. Springer, Vol. 975. p. 248-257Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1984
- Published
Central factorization in C*-algebras and its use in automatic continuity
Laursen, Kjeld Bagger, 1984, In: Contemporary Mathematics. 32Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Epimorphisms of C*-algebras
Laursen, Kjeld Bagger, 1984, Functional Analysis: Surveys and Recent Results III. Bierstedt & Fuchssteiner (eds.). North-HollandResearch output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Multipliers of radical Banach algebras of power series
Laursen, Kjeld Bagger, Bade, W. G. & Dales, H. G., 1984, In: Memoirs of the American Mathematical Society. 49, 303Research output: Contribution to journal › Journal article › Research › peer-review
- 1986
- Published
Decomposable operators and automatic continuity
Laursen, Kjeld Bagger & Neumann, M. M., 1986, In: Journal of Operator Theory. 15, p. 33-51Research output: Contribution to journal › Journal article › Research › peer-review
- 1987
- Published
Continuity of homomorphisms from C*-algebras into commutative Banach algebras
Laursen, Kjeld Bagger, 1987, In: Journal of the London Mathematical Society. 36, 2, p. 165-175Research output: Contribution to journal › Journal article › Research › peer-review
- 1988
- Published
Algebraic spectral subspaces and automatic continuity
Laursen, Kjeld Bagger, 1988, In: Czechoslovak Mathematical Journal. 38, 113, p. 157-172Research output: Contribution to journal › Journal article › Research › peer-review
- 1989
- Published
Some remarks on the surjectivity spectrum of linear operators
Laursen, Kjeld Bagger & Vrbova, P., 1989, In: Czechoslovak Mathematical Journal. 39, 114Research output: Contribution to journal › Journal article › Research › peer-review
- 1991
- Published
Automatic continuity of intertwining linear operators on Banach spaces
Laursen, Kjeld Bagger & Neumann, M. M., 1991, In: Rendiconti del Circolo Matematico di Palermo. 40, 3, p. 325-341Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Intertwiners and automatic continuity
Laursen, Kjeld Bagger & Vrbova, P., 1991, In: Journal of the London Mathematical Society. 43, 2, p. 149-155Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Spectral Subspaces and Automatic Continuity
Laursen, Kjeld Bagger, 1991, København: Eget forlag. 38 p.Research output: Book/Report › Doctoral thesis › Research
- 1992
- Published
Automatic continuity of intertwiners in Topological Vector Spaces
Laursen, Kjeld Bagger, 1992, Progress in Functional Analysis. Amsterdam: Aspen Publishers, p. XXVIII+431Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Decomposable multipliers and applications to harmonic analysis
Laursen, Kjeld Bagger & Neumann, M. M., 1992, In: Studia Mathematica. 101, 2, p. 193-214Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Local spectral properties of multipliers on Banach algebras
Laursen, Kjeld Bagger & Neumann, M. M., 1992, In: Archiv der Mathematik. 58, p. 368-375Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Operators with finite ascent
Laursen, Kjeld Bagger, 1992, In: Pacific Journal of Mathematics. 152, p. 323-336Research output: Contribution to journal › Journal article › Research › peer-review
- 1993
- Published
Asymptotic intertwining and spectral inclusions on Banach spaces
Laursen, Kjeld Bagger & Neumann, M. M., 1993, In: Czechoslovak Mathematical Journal. 43(118), p. 483-497Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Closed range multipliers and generalized inverses
Laursen, Kjeld Bagger & Mbekhta, M., 1993, In: Studia Mathematica. 107, p. 127-135Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Om funktionalligninger
Laursen, Kjeld Bagger, 1993, Matematiske Ideer. København: Matematiklærerforeningen, p. 259Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1994
- Published
Local spectral theory and spectral inclusions
Laursen, Kjeld Bagger & Neumann, M. M., 1994, In: Glasgow Mathematical Journal. 26, p. 331-343Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Multipliers and local spectral theory
Laursen, Kjeld Bagger, 1994, Functional Analysis and Operator Theory. Warszawa: Banach Center, Polish Academy of Scienc., p. 223-236 (Banach Center Publications, Vol. 30).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Multipliers with closed range on regular commutative Banach algebras
Laursen, Kjeld Bagger & Aiena, P., 1994, In: Proceedings of the American Mathematical Society. 121, p. 1039-1048Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On analytic solutions of the equation (T-lambda) f(lambda) = x
Laursen, Kjeld Bagger & Neumann, M. M., 1994, In: Seminar Notes in Functional Analysis. p. 256-265Research output: Contribution to journal › Journal article › Research › peer-review
- 1995
- Published
Local spectral properties of commutators
Laursen, Kjeld Bagger, Miller, V. G. & Neumann, M. M., 1995, In: Proceedings of the Edinburgh Mathematical Society. 38, 2, p. 313-329Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Operators with finite chain length and the ergodic theorem
Laursen, Kjeld Bagger & Mbekhta, M., 1995, In: Proceedings of the American Mathematical Society. 123, p. 3443-3448Research output: Contribution to journal › Journal article › Research › peer-review
- 1996
- Published
Multipliers with natural local spectra on commutative Banach algebras
Laursen, Kjeld Bagger, Neumann, M. M. & Eschmeier, J., 1996, In: Journal of Functional Analysis. 138, p. 273-294Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On Riesz theory of multipliers in commutative Banach algebras
Laursen, Kjeld Bagger & Aiena, P., 1996, In: Mathematical Proceedings of the Royal Irish Academy. 96A, p. 184-193Research output: Contribution to journal › Journal article › Research › peer-review
- 1997
- Published
Essential spectra through local spectral theory
Laursen, Kjeld Bagger, 1997, In: Proceedings of the American Mathematical Society. 125, p. 1425-1434Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Operators with tacked spectrum
Laursen, Kjeld Bagger & Mbekhta, M., 1997, In: Mathematical Proceedings of the Royal Irish Academy. 97, p. 19-30Research output: Contribution to journal › Journal article › Research › peer-review
- 1998
- Published
Browder spectrum through local spectral theory
Laursen, Kjeld Bagger, 1998, Proceedings of the International Conference on Banach Algebras ba97. Berlin: De Gruyter, p. 287-301Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
It takes two, but sometimes one will do
Laursen, Kjeld Bagger, 1998, Rendiconti del Circolo Matematico di Palermo. Palermo, Sicilien, Italien: Circolo Matematico di Palermo, Vol. 56. p. 49-57Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 2000
- Published
An Introduction to Local Spectral Theory
Laursen, Kjeld Bagger & Neumann, M. M., 2000, London Mathematical Society Monographs, New Series. Oxford: Clarendon Press, Vol. 20.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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