Department of Mathematical Sciences

 

 
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  1. 1992
  2. Published

    Operators with finite ascent

    Laursen, Kjeld Bagger, 1992, In: Pacific Journal of Mathematics. 152, p. 323-336

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Julius Petersen 1839-1910. A Biography

    Lützen, Jesper, Sabidussi, G. & Toft, B., 1992, In: Discrete Mathematics. 100, p. 9-82

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Julius Petersen. Annotated Bibliography

    Lützen, Jesper, Christiansen, M. & Toft, B., 1992, In: Discrete Mathematics. 100, p. 83-97

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    The Mathematical correspondence between Julius Petersen and Ludvig Sylow

    Lützen, Jesper, 1992, Amphora. Festschrift für Hans Wussing zu seinem 65. Geburtstag. Basel: Birkhäuser Verlag, p. 439-467

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  6. Published

    The birth of spectral theory. Joseph Liouvill's contributions

    Lützen, Jesper, 1992, Proceedings of the International Congress of Mathematicians. Kyoto 1990. Tokyo: Springer, p. 1651-1663

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  7. Published

    Asymptotic Results for the Risk Process Based on Marked Point Processes

    Møller, C. M., 1992, In: Scandinavian Actuarial Journal. 2, p. 169-184

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Martingale results in risk theory with a view to ruin probabilities and diffusions

    Møller, C. M., 1992, In: Scandinavian Actuarial Journal. 2, p. 123-139

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Numerical Evaluation of Markov Transition Probabilities Based on the Discretized product Integral

    Møller, C. M., 1992, In: Scandinavian Actuarial Journal. 1, p. 76-87

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    How can you tell two spaces apart when they have the same n-type for all n?

    Møller, Jesper Michael, 1992, Adams Memorial Symposium on Algebraic Topology,1 (Manchester 1990): London Math Soc Lecture Notes Series. Cambridge: Cambridge University Press, Vol. 175. p. 131-143 13 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  11. Published

    On infinite-dimensional spaces that are rationally equivalent to a bouquet of spheres

    Møller, Jesper Michael, 1992, Algebraic Topology (San Feliu de Guixols, 1990): Lecture Notes in Mathematics. Berlin: Springer, Vol. 1509. p. 285-293 9 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  12. Published

    On spaces with the same N-type for all N

    Møller, Jesper Michael & McGibbon, C. A., 1992, In: Topology. 31, p. 177-201

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    The normalizer of the Weyl Group

    Møller, Jesper Michael, 1992, In: Mathematische Annalen. 294, p. 59-80

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    A framework for consistent prediction rules based on markers

    Nielsen, J. P. & Jewell, N. P., 1992, København, 18 p.

    Research output: Working paper › Research

  15. Published

    A multiplicative bias reduction method for nonparametric regression

    Nielsen, J. P. & Linton, O., 1992, University of Copenhagen: Lab. of Actuarial Mathematics, 10 p.

    Research output: Working paper › Research

  16. Published

    A transformation approach to bias correction in kernel hazard estimation

    Nielsen, J. P., 1992, København, 18 p.

    Research output: Working paper › Research

  17. Published

    Abramson's square root law formulated for kernel hazard estimation

    Nielsen, J. P., 1992, University of Copenhagen: Lab. of Actuarial Mathematics, 11 p.

    Research output: Working paper › Research

  18. Published

    Double integrals with respect to counting process martingales and the predictability issue in survival analysis

    Nielsen, J. P., 1992, København, 17 p.

    Research output: Working paper › Research

  19. Published

    Marker dependent hazard estimation

    Nielsen, J. P., 1992, København, 21 p.

    Research output: Working paper › Research

  20. Published

    Hattendorff's Theorem and Thiele's Differential Equation Generalized

    Norberg, R., 1992, In: Scandinavian Actuarial Journal. 1, p. 2-14

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Linear Estimation and Credibility in Continuous Time

    Norberg, R., 1992, In: ASTIN Bulletin - Actuarial Studies in non Life Insurance. 22, 2, p. 149-165

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    The number of Modular Characters in Certain p-Blocks

    Olsson, Jørn Børling, 1992, In: Proceedings of the London Mathematical Society. 65, 2, p. 245-264

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Asymptotic Interence on the Moving Average Impact Matrix in Cointegrated I(1) VAR Systems

    Paruolo, P., 1992, Københavns Universitet, p. 27.

    Research output: Working paper › Research

  24. Published

    A pre-Euclidean theory of proportions

    Thorup, Anders, 1992, In: Archive for History of Exact Sciences. 45, p. 1-16

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    On a Jacobi-Trudi identity for supersymmetric polynomials

    Thorup, Anders & Pragacz, P., 1992, In: Advances in Mathematics. 95, p. 8-17

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Euromath Center - Dansk støtte til europæisk matematik

    Topsøe, Flemming, 1992, In: Willum Kann Rasmussen Fonden og Velux Fonden af 1981, Årsskrift. 1991, p. 54-62

    Research output: Contribution to journal › Journal article › Research

  27. 1991
  28. Published

    Lattice-ordered conditional independence models for missing data

    Andersson, S. A. & Perlman, M. D., 1991, In: Statistics & Probability Letters. 12, 6, p. 465-86

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    The lattice structure of orthogonal linear models and orthogonal variance component models

    Andersson, S. A., 1991, In: Scandinavian Journal of Statistics. 17, p. 275-370

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Ladder heights and the Markov-modulatedM/G/1 queue

    Asmussen, S., 1991, In: Stochastic Processes and Their Applications. 37, p. 313-26

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    A density index for the Stieltjes moment problem

    Berg, Christian & Thill, M., 1991, In: IMACS Annals on Computing and applied Math.. 9, p. 185-188

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Rotation invariant moment problems

    Berg, Christian & Thill, M., 1991, In: Acta Mathematica. 167, p. 207-227

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    C*-algebras of real rank zero

    Brown, L. G. & Pedersen, G. K., 1991, In: Journal of Functional Analysis. 99, p. 131-149

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Three-dimensional simplicial quantum gravity and generalised matrix models

    Durhuus, Bergfinnur, Ambjørn, Jan & Jónsson, T., 1991, In: Modern Physics Letters A. 6, 12, p. 1133-1146

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Non-commutative spheres I

    Elliott, G. A., Bratteli, O., Evans, D. E. & Kishimoto, A., 1991, In: International Journal of Mathematics. 2, 2, p. 139-66

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    On the classification of inductive limits of inner actions of a compact group

    Elliott, G. A., Bratteli, O., Evans, D. E. & Kishimoto, A., 1991, Current Topics in Operator Algebras. Singapore: World Scientific, p. 13-24

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  37. Published

    The cyclic homology of algebras with adjoined unit

    Elliott, G. A., Nest, Ryszard & Rørdam, M., 1991, In: Proceedings of the American Mathematical Society. 113, p. 389-395

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    The soft torus III: The flip

    Elliott, G. A., Exel, R. & Loring, T. A., 1991, In: Journal of Operator Theory. 26, p. 333-344

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Homological dimensions of unbounded complexes

    Foxby, H. & Avramov, L. L., 1991, In: Journal of Pure and Applied Algebra. 71, 2-3, p. 129-155

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Bonnesen's inequality for the isoperimetric deficiency of closed curves in the plane

    Fuglede, Bent, 1991, In: Geometriae Dedicata. 38, p. 283-300

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Marker-dependent hazard estimation: An application to AIDS.

    Fusaro, R. E., Nielsen, J. P. & Scheike, Thomas, 1991, København: Museum Tusculanum, 30 p.

    Research output: Working paper › Research

  42. Published

    Boundary value problems for the nonstationary Navier-Stokes equations treated by pseudo-differential methods

    Grubb, Gerd & Solonnikov, V. A., 1991, In: Mathematica Scandinavica. 69, p. 217-290

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Calcul symbolique et estimations Lp pour les problèmes aux limites pseudo-diffèrentiels paramètrisès

    Grubb, Gerd & Kokholm, N. J., 1991, In: Comptes Rendus de l'Académie des Sciences - Series I - Mathematics. 312, p. 223-6

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Initial value problems for the Navier-Stokes equations with Neumann conditions

    Grubb, Gerd, 1991, The Navier-Stokes equations II - Theory and Numerical methods, Proceedings, Oberwolfach 1991, Lecture Notes in Math. Heidelberg: Springer, Vol. 1530. p. 262-283

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  45. Published

    Le problème d'Atiyah-Patodi-Singer pour les variétés à bord générales (non-cylindriques)

    Grubb, Gerd, 1991, In: Journees Equations aux Derivees Partielles. 8, 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Matematiki 2MA, Kap. IV, V, VI

    Grubb, Gerd, 1991, Matematik 2MA, Matematisk Analyse, Kap. IV, V, VI. Forelæsningsnoter. København: Matematisk Instituts notetrykkeri, p. 188

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education

  47. Published

    Parabolic pseudo-differential boundary problems and applications

    Grubb, Gerd, 1991, Microlocal Analysis and applications, Montecatini terme 1989,. Heidelberg: Springer, p. 46-117 (Lecture Notes in Math., Vol. 1495).

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  48. Published

    Solution dans les espaces de Sobolev Lp anisotropes des problèmes aux limites pseudo-diffèrentiels paraboliques et des problèmes de Stokes

    Grubb, Gerd, 1991, In: Comptes Rendus de l'Académie des Sciences - Series I - Mathematics. 312, p. 89-92

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Amenability and weak amenability of tensor algebras and algebras of nuclear operators

    Grønbæk, Niels, 1991, In: J. Austral. Math. Soc. Ser. A. 51, p. 483-388

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Prediction of Outstanding Claims: A Hierarchical Credibility Approach

    Hesselager, O., 1991, In: Scandinavian Actuarial Journal. 1, p. 25-47

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. Published

    Homogeneous Gaussian Diffusions in Finite Dimensions

    Jacobsen, Martin, 1991, Københavns Universitet, p. 70.

    Research output: Working paper › Research

  52. Published

    Random Censoring and Coarsening at Random

    Jacobsen, Martin & Keiding, N., 1991, København, Kbh.Univ., p. 14.

    Research output: Working paper › Research

  53. Published

    Weak Convergence of Two-sided Stochastic Integrals, with an Application to Models for Left Truncated Survival Data

    Jacobsen, Martin & Davidsen, M., 1991, Statistical Inference in Stochastic Processes. New York: Marcel Dekker, p. 167-82

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  54. Published

    Smash products, group actions and group graded rings

    Jensen, A. & Jøndrup, Søren, 1991, In: Mathematica Scandinavica. 68, p. 161-170

    Research output: Contribution to journal › Journal article › Research › peer-review

  55. Published

    Unique Realizability of finite Abelian 2-groups as Galois groups

    Jensen, C. U. & Prestel, A., 1991, In: Journal of Number Theory. 40, p. 12-31

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. Published

    Globally Convergent Algorithms for Maximizing Likelihood Function

    Jensen, S. T., Johansen, Søren & Lauritzen, Steffen, 1991, In: Biometrika. 78, 4, p. 867-877 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  57. Published

    Globally convergent algorithms for maximizing a likelihood function

    Jensen, S. T., Johansen, Søren & Lauritzen, S. L., 1991, In: Biometrika. 78, 4, p. 867-77

    Research output: Contribution to journal › Journal article › Research › peer-review

  58. Published

    A Statistical Analysis of Cointegration for I(2) Variables

    Johansen, Søren, 1991, Københavns Universitet, p. 26.

    Research output: Working paper › Research

  59. Published

    An I(2) Cointegration Analysis of the Purchasing Power Parity between Australia and USA

    Johansen, Søren, 1991, København, Kbh.Univ., p. 25.

    Research output: Working paper › Research

  60. Published

    Comments on E.E. Leamer: A Baysian perspective in inference from macroeconomic data

    Johansen, Søren, 1991, In: Scandinavian Journal of Economics. 93, p. 249-51

    Research output: Contribution to journal › Journal article › Research › peer-review

  61. Published

    Determination of Cointegration Rank in the Presence of Linear Trend

    Johansen, Søren, 1991, Københavns Universitet, p. 15.

    Research output: Working paper › Research

  62. Published

    Estimating Systems of Trending Variables

    Johansen, Søren, 1991, Københavns Univiversitet, p. 35.

    Research output: Working paper › Research

  63. Published

    Estimation and Hypothesis Testing of Cointegration Vectors in Gaussian Vector Autoregressive Models

    Johansen, Søren, 1991, In: Econometrica. 59, 6, p. 1551-80

    Research output: Contribution to journal › Journal article › Research › peer-review

  64. Published

    Statistical Analysis of Cointegration Vectors

    Johansen, Søren, 1991, Long-Run Economic Relationships-Readings in Cointegration. Granger, C. & Engle, R. (eds.). Oxford University Press, p. 131-52

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  65. Published

    Testing Weak Exogeneity and the Order of Cointegration in UK Money Demand Data

    Johansen, Søren, 1991, Københavns Universitet, p. 31.

    Research output: Working paper › Research

  66. Published

    The Power Function of the Likelihood Ratio Test for Cointegration

    Johansen, Søren, 1991, Econometric Decision Models: New Methods of Modeling and Applications: Proceedings of the 2nd International Conference on Econometric Decision Models. Gruber, J. (ed.). Springer, p. 324-335 23 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  67. Published

    Some remarks on affine group graded rings

    Jøndrup, Søren, 1991, In: Communications in Algebra. 19, 1, p. 119-24

    Research output: Contribution to journal › Journal article › Research › peer-review

  68. Published

    The group of automorphisms of certain subalgebras of matrix algebras

    Jøndrup, Søren, 1991, In: Journal of Algebra. 141, p. 106-14

    Research output: Contribution to journal › Journal article › Research › peer-review

  69. Published

    Locally Compact F'-Spaces, Sub-Stonean Spaces and Quotients of Locally Compact Groups

    Kehlet, E. T., 1991, In: Mathematica Scandinavica. 68, 2, p. 269-272

    Research output: Contribution to journal › Journal article › Research › peer-review

  70. Published

    Bringer sorte katte ulykke

    Larsen, M. E., 1991, In: Illustreret Videnskab. 12, p. 7

    Research output: Contribution to journal › Journal article › Research

  71. Published

    Den kryptiske side

    Larsen, M. E., 1991, In: Illustreret Videnskab. 9, p. 83, 86

    Research output: Contribution to journal › Journal article › Communication

  72. Published

    Fermats sidste sætning

    Larsen, M. E., 1991, In: Kvant. 4, 3, p. 22, 24-25

    Research output: Contribution to journal › Journal article › Research

  73. Published

    Hele verden på et kort

    Larsen, M. E. & Danielsen, H., 1991, In: Illustreret Videnskab. 9, p. 32-41, 84

    Research output: Contribution to journal › Journal article › Research

  74. Published

    Hvad er en trapez

    Larsen, M. E., 1991, In: Illustreret Videnskab. 2, p. 8

    Research output: Contribution to journal › Journal article › Research

  75. Published

    Hvor kommer ordet kandidat fra

    Larsen, M. E., 1991, In: Illustreret Videnskab. 1, p. 7

    Research output: Contribution to journal › Journal article › Research

  76. Published

    Hvornår begynder det næste årtusinde.

    Larsen, M. E., 1991, In: Illustreret Videnskab. 8, p. 8

    Research output: Contribution to journal › Journal article › Research

  77. Published

    Liden forskel gør et stort rod

    Larsen, M. E., 1991, In: Naturligvis. p. 16-9

    Research output: Contribution to journal › Journal article › Research

  78. Published

    Liden forskel gør et stort rod

    Larsen, M. E., 1991, In: Kvant. 2, 2, p. 24-8

    Research output: Contribution to journal › Journal article › Research

  79. Published

    Løser kineserne krydsogtværs

    Larsen, M. E., 1991, In: Illustreret Videnskab. 3, p. 6

    Research output: Contribution to journal › Journal article › Research

  80. Published

    Pæne trekanter

    Larsen, M. E., 1991, In: Kvant. 2, 1, p. 28-9

    Research output: Contribution to journal › Journal article › Research

  81. Published

    Triangles with equivalent relations between the angles and between the sides

    Larsen, M. E. & Singmaster, D., 1991, In: Missouri Journal of Mathematical Sciences. 3, p. 111-129

    Research output: Contribution to journal › Journal article › Research › peer-review

  82. 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. 325-341

    Research output: Contribution to journal › Journal article › Research › peer-review

  83. Published

    Intertwiners and automatic continuity

    Laursen, Kjeld Bagger & Vrbova, P., 1991, In: Journal of the London Mathematical Society. 43, 2, p. 149-155

    Research output: Contribution to journal › Journal article › Research › peer-review

  84. Published

    Spectral Subspaces and Automatic Continuity

    Laursen, Kjeld Bagger, 1991, København: Eget forlag. 38 p.

    Research output: Book/Report › Doctoral thesis › Research

  85. Published

    Use of the three stage model for improving the estimate of the survival function.

    Malani, H. M. & Nielsen, J. P., 1991, København: Museum Tusculanum, 23 p.

    Research output: Working paper › Research

  86. Published

    Asymptotic results for the risk process based on marked point processes.

    Møller, C. M., 1991, København: Museum Tusculanum, 22 p.

    Research output: Working paper › Research

  87. Published

    Self-homotopy equivalences of group cohomology spaces

    Møller, Jesper Michael, 1991, In: Journal of Pure and Applied Algebra. 73, p. 23-37

    Research output: Contribution to journal › Journal article › Research › peer-review

  88. Published

    Actuarial Statistics - The European Perspective

    Norberg, R., 1991, Proceedings of the Third Int. Conference on Teaching Statistics.  Teaching Statistics Beyond School Level. Voorburg, The Netherlands: ISI Publ. in Statistical Education, Vol. 2. p. 405-410

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  89. Published

    Hattendorff's theorem generally stated.

    Norberg, R., 1991, København: Museum Tusculanum, 12 p.

    Research output: Working paper › Research

  90. Published

    Prediction of outstanding liabilities in non-life insurance.

    Norberg, R., 1991, København: Museum Tusculanum, 26 p.

    Research output: Working paper › Research

  91. Published

    Reserves in Life and Pension Insurance

    Norberg, R., 1991, In: Scandinavian Actuarial Journal. 1, p. 3-24

    Research output: Contribution to journal › Journal article › Research › peer-review

  92. Published

    Modular cocharacters for P.I. algebras

    Olsson, Jørn Børling & Regev, A., 1991, In: Journal of Algebra. 143, p. 93-118

    Research output: Contribution to journal › Journal article › Research › peer-review

  93. Published

    Partition identities with an application to group representation theory

    Olsson, Jørn Børling & Andrews, G. E., 1991, In: Journal Reine ang. Mathematik. 413, p. 198-212

    Research output: Contribution to journal › Journal article › Research › peer-review

  94. Published

    Weights for covering groups of symmetric and alternating groups, p different from 2

    Olsson, Jørn Børling & Michler, G. O., 1991, In: Canadian Journal of Mathematics - Journal Canadien de Mathematiques. 43, p. 792-813

    Research output: Contribution to journal › Journal article › Research › peer-review

  95. Published

    Real Rank of C*-Algebras

    Pedersen, G. K., 1991, Current Topics in Operator Algebras. Singapore: World Scientific, p. 25-32

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  96. Published

    The *Gl-function in operator algebras

    Pedersen, G. K., 1991, In: Journal of Operator Theory. 26, p. 345-381

    Research output: Contribution to journal › Journal article › Research › peer-review

  97. Published

    Decay of eigenfunctions on semisimple symmetric spaces

    Rudnick, Z. & Schlichtkrull, Henrik, Dec 1991, In: Duke Mathematical Journal. 64, 3, p. 445-450 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  98. Published

    The Brill-Segre formula for families of curves

    Thorup, Anders & Laksov, D., 1991, Enummerative algebraic geometry; Proceeding of the 1989 Zeuten symposium. Providence, Rhode Island: AMS, p. 131-148

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  99. Published

    Analysis of variance and design of experiments

    Tjur, T., 1991, In: Scandinavian Journal of Statistics. 18, p. 273-322

    Research output: Contribution to journal › Journal article › Research › peer-review

  100. Published

    Block Designs and Electrical Networks

    Tjur, T., 1991, In: Annals of Statistics. 19, p. 1010-27

    Research output: Contribution to journal › Journal article › Research › peer-review

  101. 1990
  102. Published

    A random walk representation of the Dirac propagator

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 29 Jan 1990, In: Nuclear Physics B. 330, 2-3, p. 509-522

    Research output: Contribution to journal › Journal article › Research › peer-review

  103. Published

    Summing over all genera for d > 1: a toy model

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 26 Jul 1990, In: Physics Letters B. 244, 3-4, p. 403-412

    Research output: Contribution to journal › Journal article › Research › peer-review

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