A determination of the parameters of a large class of Goppa codes. - Trygve Johnsen; Saeed Manshadi; Noorbakhsh Monzavi (IEEE Trans. Inf. Theory, 1994)

Scroll codes. - Gert Monstad Hana; Trygve Johnsen (Des. Codes Cryptogr., 2007)

Schubert unions in Grassmann varieties. - Johan P. Hansen; Trygve Johnsen; Kristian Ranestad (Finite Fields Their Appl., 2007)

Generalizations of Wei's Duality Theorem - Thomas Britz; Bård Heiseldel; Trygve Johnsen; Dillon Mayhew; Keisuke Shiromoto (CoRR, 2009)

Scroll codes over curves of higher genus. - Trygve Johnsen; Nils Henry Rasmussen (Appl. Algebra Eng. Commun. Comput., 2010)

Higher weights of Grassmann codes in terms of properties of Schubert unions - Sudhir R. Ghorpade; Trygve Johnsen; Arunkumar R. Patil; Harish K. Pillai (CoRR, 2011)

Wei-type duality theorems for matroids. - Thomas Britz; Trygve Johnsen; Dillon Mayhew; Keisuke Shiromoto (Des. Codes Cryptogr., 2012)

Hamming weights and Betti numbers of Stanley-Reisner rings associated to matroids. - Trygve Johnsen; Hugues Verdure (Appl. Algebra Eng. Commun. Comput., 2013)

Stanley-Reisner resolution of constant weight linear codes. - Trygve Johnsen; Hugues Verdure (Des. Codes Cryptogr., 2014)

Chains, Demi-Matroids, and Profiles. - Thomas Britz; Trygve Johnsen; James Martin (IEEE Trans. Inf. Theory, 2014)

A generalization of Kung's theorem. - Trygve Johnsen; Keisuke Shiromoto; Hugues Verdure (Des. Codes Cryptogr., 2016)

A generalization of weight polynomials to matroids. - Trygve Johnsen; Jan Roksvold; Hugues Verdure (Discret. Math., 2016)

Relative Generalized Hamming Weights and Extended Weight Polynomials of Almost Affine Codes. - Trygve Johnsen; Hugues Verdure (ICMCTA, 2017)

Flags of almost affine codes. - Trygve Johnsen; Hugues Verdure (CoRR, 2017)

Generalized Hamming Weights for Almost Affine Codes. - Trygve Johnsen; Hugues Verdure (IEEE Trans. Inf. Theory, 2017)

Flags of almost affine codes and the two-party wire-tap channel of type II. - Trygve Johnsen; Hugues Verdure (Des. Codes Cryptogr., 2018)

Relative profiles and extended weight polynomials of almost affine codes. - Trygve Johnsen; Hugues Verdure (Cryptogr. Commun., 2019)

A polymatroid approach to generalized weights of rank metric codes. - Sudhir R. Ghorpade; Trygve Johnsen (Des. Codes Cryptogr., 2020)

Higher Weight Spectra of Veronese Codes. - Trygve Johnsen; Hugues Verdure (IEEE Trans. Inf. Theory, 2020)

Greedy weights for matroids. - Trygve Johnsen; Hugues Verdure (Des. Codes Cryptogr., 2021)

Möbius and coboundary polynomials for matroids. - Trygve Johnsen; Hugues Verdure (Des. Codes Cryptogr., 2021)

Codes from symmetric polynomials. - Mrinmoy Datta; Trygve Johnsen (Des. Codes Cryptogr., 2023)

Linear codes associated to symmetric determinantal varieties: Even rank case. - Peter Beelen; Trygve Johnsen; Prasant Singh (Finite Fields Their Appl., 2023)

Higher weight spectra and Betti numbers of Reed-Muller codes RM2(2,2). - Sudhir R. Ghorpade; Trygve Johnsen; Rati Ludhani; Rakhi Pratihar (CoRR, 2024)

Linear codes associated to symmetric determinantal varieties; General case. - Peter Beelen; Trygve Johnsen; Prasant Singh (CoRR, 2024)

On the hull-variation problem of equivalent vector rank metric codes. - Duy Ho; Trygve Johnsen (CoRR, 2025)