Nils Damm Christophersen

Professor emeritus - Institutt for informatikk

English version of this page

E-post nilsch@ifi.uio.no

Telefon +47 22852406

Brukernavn

Besøksadresse Gaustadalléen 23B Ole-Johan Dahls hus 0373 Oslo

Postadresse Postboks 1080 Blindern 0316 Oslo

Last ned visittkort

Faglige interesser

Min bakgrunn er innen anvendt matematikk og statistikk med vekt på signalbehandling. I tillegg er jeg opptatt av innovasjon og entreprenørskap i universitetssektoren.

Arbeidserfaring

2006 – 2009 Styremedlem UiO
2003 – 2004 Undervisningsdekan ved Matematisk-Naturvitenskapelig fakultet
2000 – 2006 Gruppeleder for forskningsgruppen innen Digital Signalbehandling og Bildeanalyse (DSB).
1998 – 1999 Leder Institutt for informatikk
1997 – 1998 Visiting scientist, Department of Statistics, Stanford University
1991 – Professor, Institutt for informatikk, UiO
1988 – 1989 Visiting scientist, Institute of Hydrology, UK
1986 – 1991 Professor II, Institutt for informatikk, UiO
1978 – 1991 Seniorforsker, Senter for Industriforskning/SINTEF, Oslo
1975 – 1977 Amanuensis, Fysisk Institutt, UiO
1972 – 1975 Forsker, Forsvarets Forskningsinstitutt

Utdannelse:

1983 Dr. Philos. (matematisk modellering av miljøeffekter av sur nedbør), Senter for Industriforskning/SINTEF og Institutt for informatikk, UiO
1972 Cand. real. i kybernetikk, Forsvarets Forskningsinstitutt og Fysisk Institutt, UiO

Priser

Høyt sitert forsker slik dette defineres av Institute for Scientific Information (ISI) -http://highlycited.com/ (archives 2001 list). Kom inn på denne listen på et tidspunkt da kun fem norske forskere var der.

UiOs innovasjonspris i 2016 - http://www.uio.no/om/tall-og-fakta/uio-priser/universitetsstyrets-priser/innovasjonsprisen/index.html

CV på engelsk med publikasjonsliste:

http://heim.ifi.uio.no/~nilsch/CV_Nov_2016.pdf

Emneord: anvendt matematikk, statistikk, innovasjon, entreprenørskap

For en fullstendig publikasjonsliste, se CV

Dahl, Tobias Gulden; Pereira, SS; Christophersen, Nils Damm & Gesbert, David (2007). Intrinsic subspace convergence in TDD MIMO communication. IEEE Transactions on Signal Processing. ISSN 1053-587X. 55. doi: 10.1109/TSP.2007.896901.
Dahl, Tobias Gulden; Lingjærde, Ole Christian & Christophersen, Nils Damm (2005). Local-ICA: independent component analysis for sources with non-stationary amplitudes. I Bouzerdoum, A. & Beghdadi, A. (Red.), Proceedings of the Eighth International Symposium on Signal Processing and Its Applications, 2005. IEEE conference proceedings. ISSN 0-7803-9243-4.
Dahl, Tobias Gulden; Christophersen, Nils Damm & Gesbert, David (2004). Blind MIMO Transmission based on the Algebraic Power Method. IEEE Transactions on Signal Processing. ISSN 1053-587X. 52(9), s. 2424–2431. doi: 10.1109/TSP.2004.832000.
Dahl, T; Christophersen, Nils Damm & Gesbert, David (2004). Blind MIMO eigenmode transmission based on the algebraic power method. IEEE Transactions on Signal Processing. ISSN 1053-587X. 52, s. 2424–2431.
Bølviken, Erik; Acklam, Peter John; Christophersen, Nils Damm & Størdal, J.M. (2001). Monte-Carlo filters for non-linear state estimation. Automatica. ISSN 0005-1098. 37(2), s. 177–183.
Lingjærde, Ole Christian & Christophersen, Nils Damm (2000). Shrinkage Structure of Partial Least Squares. Scandinavian Journal of Statistics. ISSN 0303-6898. 27(3), s. 459–473.
Kugiumtzis, Dimitris; Lingjærde, Ole Christian & Christophersen, Nils Damm (1998). Regularized Local Linear Prediction of Chaotic Time Series. Physica D : Non-linear phenomena. ISSN 0167-2789. 112(3-4), s. 344–360.
Sjøberg, Dag & Christophersen, Nils Damm (1996). Den menneskefiendtlige informasjonsteknologien og andre myter, Schola.
Christophersen, Nils Damm; Neal, Colin; Hooper, Richard; Vogt, Rolf David & Andersen, Sjur (1990). Christophersen N, Neal C, Hooper RP, Vogt RD, Andersen S. Modelling streamwater chemistry as a mixture of soilwater end-members — A step towards second-generation acidification models. Journal of Hydrology. ISSN 0022-1694. 116(1), s. 307–320. doi: 10.1016/0022-1694%2890%2990130-P.
Christophersen, Nils Damm; Hauhs, Michael; Mulder, Jan; Seip, Hans Martin & Vogt, Rolf David (1990). Hydrogeochemical processes in the Birkenes catchment. I Mason, B.J. (Red.), The surface water acidification programme. Cambridge University Press. ISSN 0-521-39533-X. s. 97–106.
Andersen, Sjur; Christophersen, Nils Damm; Mulder, Jan; Seip, Hans Martin & Vogt, Rolf David (1990). Aluminium solubility in the various soil horizons in an acidified catchment. I Mason, B.J. (Red.), The surface water acidification programme. Cambridge University Press. ISSN 0-521-39533-X. s. 155–159.
Vogt, Rolf David; Andersen, Dag Olav; Andersen, Sjur; Christophersen, Nils Damm & Mulder, Jan (1990). Streamwater, soil-water chemistry, and water flow paths at Birkenes during a dry-wet hydrological cycle. I Mason, B.J. (Red.), The surface water acidification programme. Cambridge University Press. ISSN 0-521-39533-X. s. 149–154.

Se alle arbeider i Cristin

Leister, Wolfgang & Christophersen, Nils Damm (2014). INF5780 - Open source, open collaboration and innovation - Høst 2014.
Christophersen, Nils Damm & Leister, Wolfgang (2014). Governance of Open Source and Commons-Based Peer Production.
Leister, Wolfgang & Christophersen, Nils Damm (2013). INF5780 - Open source, open collaboration and innovation - Høst 2013.
Leister, Wolfgang & Christophersen, Nils Damm (2012). ITLED4240 - Åpen programvare, åpent samarbeid og innovasjon.
Leister, Wolfgang & Christophersen, Nils Damm (2012). INF5780 - Open source, open collaboration and innovation - Høst 2012.
Leister, Wolfgang & Christophersen, Nils Damm (2011). Åpen programvare og åpent samarbeid.
Leister, Wolfgang & Christophersen, Nils Damm (2011). INF5780 - Open source, open collaboration and innovation - Høst 2011. Vis sammendrag
Free and open source software philosophy, practices, lisences, and business models; open publishing, open science, and creative commons; open hardware; commons-based peer production and peer-to-peer, open and disruptive innovation. The students shall attain a thorough theoretical as well as practical understanding of the various models of open and innovative collaboration on the Internet including the role of legal issues.
Leister, Wolfgang; Christophersen, Nils Damm & Jayaraman, Karthik (2010). INF5780 - Open source, open collaboration and innovation - Høst 2010.
Christophersen, Nils Damm (2010). Wikipedia som dugnadsbasert allmenning.
Leister, Wolfgang; Christophersen, Nils Damm & Tsiavos, Prodromos (2009). INF5780 - Open source, open collaboration and innovation - Høst 2009.
Christophersen, Nils Damm (2009). Wikipedia and science – two knowledge commons.
Christophersen, Nils Damm (2009). Åpen kildekode, åpent samarbeid og innovasjon.
Christophersen, Nils Damm (2008). Lessons learned from the open source HISP health information program.
Christophersen, Nils Damm (2008). Fri programvare og andre dugnadsprosjekter i I- og U-land.
Christophersen, Nils Damm (2008). Open source, open collaboration, and disruptive innovation.
Christophersen, Nils Damm (2007). Wikipedia og andre nettsamfunn som inspirasjon for fremtidig formidling.
Dahl, Tobias Gulden; Lingjærde, Ole Christian; Christophersen, Nils Damm & Ekman, Torbjørn (2005). Local-ICA: independent component analysis for sources with non-stationary amplitudes.
Christophersen, Nils Damm & Trulsen, Jan (2002). Få realfag inn i ex.phil. Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116.
Christophersen, Nils Damm (2002). Digital Dignalbehandling og Bildeanalyse(DSB) ved UiO. NORSIGnalet : organ for NORSIG, Norsk forening for signalbehandling. ISSN 0804-5623. s. 3–4.
Gesbert, David & Christophersen, Nils Damm (2002). Space: the final (wireless) fontier. NORSIGnalet : organ for NORSIG, Norsk forening for signalbehandling. ISSN 0804-5623. s. 4–8.
Dahl, Tobias; Christophersen, Nils Damm & Gesbert, David (2002). Identification of parallel MIMO channels in wireless communication using power iterations.
Dahl, Tobias; Christophersen, Nils Damm & Gesbert, David (2002). BIMA Blind MIMO Algorithm.
Gesbert, David; Ekman, Torbjørn & Christophersen, Nils Damm (2002). Capacity limits of dense palm-sized MIMO arrays.
Leister, Wolfgang; Holm, Sverre & Christophersen, Nils Damm (2001). Multimedia Koding og Transmisjon - INF MKT Høst 2001.
Holm, Sverre & Christophersen, Nils Damm (2001). Hvordan virker mobiltelefonen og hva har vi i vente?
Holm, Sverre & Christophersen, Nils Damm (2001). Hvordan virker mobiltelefonen og hva har vi i vente?
Norum, Kaare Reidar; Christophersen, Nils Damm; Elverhøi, Anders; Grue, John & Uggerud, Einar (2000). Hånd i hånd med næringslivet. Dagens næringsliv. ISSN 0803-9372.
Leister, Wolfgang; Christophersen, Nils Damm; Groven, Arne-Kristian; Tsiavos, Prodromos; Heggestøyl, Simen & Rødskog, Daniel (2015). INF5780 Compendium Autumn 2015: Open Source, Open Collaboration and Innovation. Norsk Regnesentral. Vis sammendrag
This document is the compendium for the course INF5780: Open source, open collaboration and innovation at the Department of Informatics, University of Oslo, written for the autumn semester of 2015. This multi-disciplinary compendium presents aspects of commons-based peer production, free and open source software, open licenses, open standards, and how to extract value from these phenomena in open innovation and business models.
Leister, Wolfgang; Christophersen, Nils Damm; Tsiavos, Prodromos; Groven, Arne-Kristian; Heggestøyl, Simen & Rødskog, Daniel [Vis alle 10 forfattere av denne artikkelen] (2014). INF5780 Compendium Autumn 2014: Open Source, Open Collaboration and Innovation. Norsk Regnesentral. Vis sammendrag
This document is the compendium for the course INF 5780: Open source, open collaboration and innovation at the Department of Informatics, University of Oslo, written for the autumn semester of 2014. This multi-disciplinary compendium presents aspects of commons-based peer production, free and open source software, open licenses, open standards, and how to extract value from these phenomena in open innovation and business models.
Leister, Wolfgang; Christophersen, Nils Damm; Tsiavos, Prodromos; Groven, Arne-Kristian; Heggestøyl, Simen & Rødskog, Daniel [Vis alle 10 forfattere av denne artikkelen] (2013). INF5780 Compendium Autumn 2013: Open Source, Open Collaboration and Innovation. Norsk Regnesentral. Vis sammendrag
This document is the compendium for the course INF 5780: Open source, open collaboration and innovation at the Department of Informatics, University of Oslo, written for the autumn semester of 2013. This multi-disciplinary compendium presents aspects of commons-based peer production, free and open source software, open licenses, open standards, and how to extract value from these phenomena in open innovation and business models.
Leister, Wolfgang & Christophersen, Nils Damm (2012). INF5780 Compendium Autumn 2012: Open Source, Open Collaboration and Innovation. Norsk Regnesentral.
Leister, Wolfgang & Christophersen, Nils Damm (2012). ITLED 4240 Compendium Spring 2012: Open Source, Open Collaboration and Innovation. Norsk Regnesentral. Vis sammendrag
This document is the compendium for the course ITLED 4240: Open source, open collaboration and innovation at the Department of Informatics, University of Oslo, written for the spring semester of 2012. This multi-disciplinary compendium presents aspects of commons-based peer production, free and open source software, open licenses, open standards, and how to extract value from these phenomena in open innovation and business models.
Leister, Wolfgang & Christophersen, Nils Damm (2011). INF5780 Compendium Autumn 2011: Open source, Open collaboration and Innovation. Norsk Regnesentral.
Bølviken, Erik; Christophersen, Nils Damm & Storvik, Geir Olve (1998). Linear dynamical models, Kalman filtering and statistics. Lecture notes to IN-ST 259.

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Publisert 4. nov. 2010 13:49 - Sist endret 21. sep. 2021 10:05

Forskergrupper

Biomedisinsk informatikk (BMI)