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For å registrere i Cristin må du være vitenskapelig eller administrativt ansatt.
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2020
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| 1. | Ghorpade, Sudhir R; Johnsen, Trygve. A polymatroid approach to generalized weights of rank metric codes. Designs, Codes and Cryptography 2020 ;Volum 88.(12) s. 2531-2546 UiT |
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| 2. | Johnsen, Trygve; Verdure, Hugues. Greedy weights for matroids. Designs, Codes and Cryptography 2020 ;Volum 89. s. 387-405 UiT |
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| 3. | Johnsen, Trygve; Verdure, Hugues. Higher weight spectra of codes from Veronese threefolds. Journal of Pure and Applied Algebra 2020 ;Volum 225.(7) s. - UiT |
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| 4. | Johnsen, Trygve; Verdure, Hugues. Higher Weight Spectra of Veronese Codes. IEEE Transactions on Information Theory 2020 ;Volum 66.(6) s. 3538-3546 UiT |
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2019
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| 5. | Johnsen, Trygve. An introduction to codes and matroids. Foredrag for ansatte ved DTU Compute; 2019-04-03 - 2019-04-03 UiT |
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| 6. | Johnsen, Trygve. Generalized weight of rank metric codes, a combinatorial approach. 13th Nordic Combinatorial Conference (Norcom 2019); 2019-08-05 - 2019-08-07 UiT |
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| 7. | Johnsen, Trygve. Generalized weights of rank metric codes, and q-analogues of matroids. Polynomials and curves over finite fields; 2019-05-20 - 2019-05-22 UiT |
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| 8. | Johnsen, Trygve; Verdure, Hugues. About greedy weights.. CACAAG seminar.; 2019-11-15 - 2019-11-18 UiT |
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| 9. | Johnsen, Trygve; Verdure, Hugues. Relative profiles and extended weight polynomials of almost affine codes. Cryptography and Communications 2019 ;Volum 11.(5) s. 1009-1020 UiT |
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2018
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| 10. | Johnsen, Trygve. Algebraic geometric codes. CIMPA Research School: Commutative algebra with applications to Statistics and Coding Theory; 2018-07-02 - 2018-07-06 UiT |
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| 11. | Johnsen, Trygve. Coding theory and algebraic properties of matroids. CACAAG seminar in Mathematics; 2018-09-25 - 2018-09-25 UiT |
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| 12. | Johnsen, Trygve. Error-Correcting Codes and Stanley-Reisner Ideals of Matroids. 84'th Annual Conference of Indian Mathematical Society; 2018-11-27 - 2018-11-30 UiT |
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2017
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| 13. | Johnsen, Trygve. Demi-matroids and chains of block codes. ASGARD Math 2017; 2017-04-27 - 2017-04-28 UiT |
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| 14. | Johnsen, Trygve; Verdure, Hugues. Flags of almost affine codes and the two-party wire-tap channel of type II. Designs, Codes and Cryptography 2017 s. 1-16 UiT |
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| 15. | Johnsen, Trygve; Verdure, Hugues. Generalized Hamming Weights for Almost Affine Codes. IEEE Transactions on Information Theory 2017 ;Volum 63.(4) s. 1941-1953 UiT |
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| 16. | Johnsen, Trygve; Verdure, Hugues. Relative generalized hamming weights and extended weight polynomials of almost affine codes. Lecture Notes in Computer Science (LNCS) 2017 ;Volum 10495 LNCS. s. 207-216 UiT |
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2016
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| 17. | Johnsen, Trygve. Hamming weights of almost affine codes and matroids. 12th Nordic Combinatorial Conference; 2016-06-13 - 2016-06-15 UiT |
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| 18. | Johnsen, Trygve. Matroids and almost affine codes. ASGARD Math 2016; 2016-04-21 - 2016-04-22 UiT |
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| 19. | Johnsen, Trygve. Stanley-Reisner rings associated to matroids and codes. Conference to the Memory of Anatoly A. Karatsuba on Number Theory and Applications; 2016-01-28 - 2016-01-30 UiT |
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| 20. | Johnsen, Trygve; Roksvold, Jan Nyquist; Verdure, Hugues. A generalization of weight polynomials to matroids. Discrete Mathematics 2016 ;Volum 339.(2) s. 632-645 UiT |
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| 21. | Verdure, Hugues; Johnsen, Trygve. Kung's bound for almost affine codes. Combinatorics 2016; 2016-05-29 - 2016-06-04 UiT |
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2015
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| 22. | Johnsen, Trygve. "Linear sections of Grassmannians, applications to coding theory.". Special Trimester on Algebraic Geometry; 2015-04-01 - 2015-06-30 UiT |
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| 23. | Johnsen, Trygve; Roksvold, Jan Nyquist; Verdure, Hugues. Betti numbers associated to the facet ideal of a matroid. Bulletin of the Brazilian Mathematical Society, New Series 2015 ;Volum 45.(4) s. 727-744 UiT |
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| 24. | Johnsen, Trygve; Shiromoto, Keisuke; Verdure, Hugues. A generalization of Kung’s theorem. Designs, Codes and Cryptography 2015 ;Volum 81. s. 169-178 UiT |
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2014
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| 25. | Britz, Thomas; Johnsen, Trygve; Martin, James A.. Chains, demi-matroids, and profiles. IEEE Transactions on Information Theory 2014 ;Volum 60.(2) s. 986-991 UiT |
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| 26. | Johnsen, Trygve; Verdure, Hugues. Stanley-Reisner resolution of constant weight linear codes. Designs, Codes and Cryptography 2014 ;Volum 72.(2) s. 471-481 UiT |
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2013
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| 27. | Johnsen, Trygve. About chains of codes, demi-matroids and profiles. The 11th Nordic Combinatorial Conference (NORCOM 11); 2013-06-17 - 2013-06-19 UiT |
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| 28. | Johnsen, Trygve. About Hamming weights and Betti numbers of Stanley-Reisner rings associated to matroids. Nasjonalt algebramøte 2013; 2013-11-07 - 2013-11-08 UiT |
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| 29. | Johnsen, Trygve. Linear codes and Stanley-Reisner rings associated to matroids. International Conference on Algebraic Geometry and Coding Theory; 2013-12-02 - 2013-12-06 UiT |
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| 30. | Johnsen, Trygve. Om årets vinner av Abelprisen, Pierre Deligne, og hans arbeider. Norsk matematikkråds årsmøte; 2013-09-25 - 2013-09-27 UiT |
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| 31. | Johnsen, Trygve; Verdure, Hugues. Hamming weights and Betti numbers of Stanley-Reisner rings associated to matroids. Applicable Algebra in Engineering, Communication and Computing 2013 ;Volum 24.(1) s. 73-93 UiT |
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2012
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| 32. | Britz, Thomas; Johnsen, Trygve; Mayhew, Dillon; Shiromoto, Keisuke. Wei-type duality theorems for matroids. Designs, Codes and Cryptography 2012 ;Volum 62.(3) s. 331-341 UiT |
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| 33. | Johnsen, Trygve. Codes and Matroid Structures. ALGA 2012 (konferanse i algebra); 2012-08-13 - 2012-08-17 UiT |
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2011
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| 34. | Fløystad, Gunnar; Johnsen, Trygve; Knutsen, Andreas Leopold. Combinatorial Aspects of Commutative Algebra and Algebraic Geometry: The Abel Symposium 2009. Springer 2011 (ISBN 3642194915) ;Volum 6.198 s. Abel Symposia(-) UiB UiT |
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| 35. | Johnsen, Trygve. Algebraic-geometric codes, and matroid structures. Algebraic Geometry with a view towards applications; 2011-01-17 - 2011-06-15 UiT |
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| 36. | Knutsen, Andreas Leopold; Johnsen, Trygve; Fløystad, Gunnar. Combinatorial aspects of commutative algebra and algebraic geometry. Proceedings of the Abel Symposium held in Voss, June 1–4, 2009. Springer 2011 (ISBN 978-3-642-19491-7) 174 s. Abel Symposia(6) UiB UiT |
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2010
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| 37. | Hansen, Johan P.; Johnsen, Trygve; Ranestad, Kristian. Grassmann codes and Schubert unions. I: Arithmetic, Geometry and Coding Theory (ACCT 2005). Paris: Soc. Math. France Paris 2010 ISBN 978-2-85629-279-2. s. 103-123 UiO UiT |
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| 38. | Johnsen, Trygve. Koder fra algebraisk geometri. Nasjonalt algebramøte; 2010-11-10 - 2010-11-11 UiT |
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| 39. | Johnsen, Trygve; Rasmussen, Nils Henry. Scroll codes over curves of higher genus. Applicable Algebra in Engineering, Communication and Computing 2010 ;Volum 21.(5) s. 397-415 UiB UiT |
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2009
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| 40. | Hana, Gert Monstad; Johnsen, Trygve. Rational Curves on a general heptic fourfold. Bulletin of the Belgian Mathematical Society Simon Stevin 2009 ;Volum 16.(5) s. 861-885 HVL UiT |
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| 41. | Hana, Gert Monstad; Johnsen, Trygve. Rational curves on a general heptic fourfold. Bulletin of the Belgian Mathematical Society Simon Stevin 2009 ;Volum 16.(5) s. 861-885 HVL UiT |
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| 42. | Johnsen, Trygve. Demi-matroids. Norsk kryptoseminar 2009; 2009-10-22 - 2009-10-23 UiT |
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| 43. | Johnsen, Trygve. Om kodeteori. 60-årsjubileum for Matematisk institutt, UiB; 2009-05-08 - 2009-05-08 UiT |
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2008
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| 44. | Hitching, George H.; Johnsen, Trygve; og 42 andre, fra mange land; Chaumine, Jean; Hirschfeld, James; Rolland, Robert. Algebraic Geometry and Its Applications. World Scientific 2008 (ISBN 981-279-342-9) ;Volum 5.513 s. Series on Number Theory and its Applications(Helt volum) USN UiB |
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| 45. | Hitching, George H.; Johnsen, Trygve. Decoding of scroll codes. I: Algebraic Geometry and Its Applications. World Scientific 2008 ISBN 981-279-342-9. s. 294-314 USN UiB |
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| 46. | Johnsen, Trygve. Codes from algebraic varieties. Joint Mathematical Weekend; 2008-02-29 - 2008-03-02 UiT |
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| 47. | Johnsen, Trygve. Om matroider og Stanley-Reisner ringer. Nasjonalt algebramøte; 2008-10-30 - 2008-10-31 UiT |
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2007
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| 48. | Hana, Gert Monstad; Johnsen, Trygve. Scroll codes. Designs, Codes and Cryptography 2007 ;Volum 45.(3) s. 365-377 UiB |
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| 49. | Hansen, Johan Peder; Johnsen, Trygve; Ranestad, Kristian. Schubert unions in Grassmann varieties. Finite Fields and Their Applications 2007 ;Volum 13.(4) s. 738-750 UiB UiO |
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2005
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| 50. | Hansen, Johan P.; Johnsen, Trygve; Ranestad, Kristian. Schubert Unions in Grassmann Varieties. : Math. Archive 2005 37 s. math.AG/0503121(-) UiB |
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