Research areas

  1. Published

    Prevotella abundance predicts weight loss success in healthy, overweight adults consuming a whole-grain diet ad libitum: A post hoc analysis of a 6-wk randomized controlled trial

    Christensen, Lars, Vuholm, S., Roager, Henrik Munch, Nielsen, Dennis Sandris, Krych, Lukasz, Kristensen, M. B., Astrup, A. & Hjorth, Mads Fiil, 2019, In: Journal of Nutrition. 149, 12, p. 2174-2181 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Microbial enterotypes beyond genus level: Bacteroides species as a predictive biomarker for weight change upon controlled intervention with arabinoxylan oligosaccharides in overweight subjects

    Christensen, Lars, Sørensen, C. V., Wøhlk, F. U., Kjølbæk, Louise, Astrup, A., Sanz, Y., Hjorth, Mads Fiil & Benítez-Páez, A., 2020, In: Gut Microbes. 12, 17 p., 1847627.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Distributed usability evaluation: enabling large-scale usability evaluation with user-controlled instrumentation

    Christensen, L. & Frøkjær, Erik, 2010, Proceedings of the 6th Nordic Conference on Human-Computer Interaction: extending boundaries. Association for Computing Machinery, p. 118-127 10 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  4. Published

    Koral-Hvidtjørn (Crataegus rhipidohylla) - en overset Hvidtjørn med potentiale som have- og landskabsplante

    Christensen, K. I., 2002, In: Dansk Dendrologisk Aarsskrift. 20, p. 13-18

    Research output: Contribution to journalJournal articleResearch

  5. Published

    Salix xanthicola (Salicaceae) - distribution, ecology and relationships

    Christensen, K. I., 2006, Book of Abstracts. p. 166 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  6. Published

    Iris celikiii, a new species fron north-eastern Turkey

    Christensen, K. I. & Akpulat, H. A., 2006, In: Nordic Journal of Botany. 24, p. 207-210

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Sakhalin-pil (Salix udensis) - endnu en smalbladet pileart i Danmark (Japanese fantail willow (Salix udensis) - another narrow-leaved willow in Denmark)

    Christensen, K. I. & Nielsen, H., 2004, In: Dansk Dendrologisk Aarsskrift. 22, p. 9-15

    Research output: Contribution to journalJournal articleResearch

  8. Published

    Taxonomic notes on European taxa of Crataegus (Rosaceae)

    Christensen, K. I. & Janjic, N., 2006, In: Nordic Journal of Botany. 24, p. 143-147

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    A morphometric study of hybridization between Pinus mugo and P. sylvestris (Pinaceae)

    Christensen, K. I. & Dar, G. H., 2003, In: Acta Horticulturae. 615, p. 211-221

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Vorte-fyr (Pinus attenuata) - et planteportræt (Knobcone pine (Pinus attenuata) - a plant portrait)

    Christensen, K. I., 2004, In: Dansk Dendrologisk Aarsskrift. 22, p. 5-8

    Research output: Contribution to journalJournal articleResearch

  11. Published

    160 botaniske stikord

    Christensen, K. I., 2006, Gyldendals DVD leksikon. København: Gyldendal, 160 p.

    Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterResearch

  12. Published

    Altai-Rødgran (Picea abies subsp. obovata i Nordskandinavien)

    Christensen, K. I., 2002, In: Dansk Dendrologisk Aarsskrift. 20, p. 5-11

    Research output: Contribution to journalJournal articleResearch

  13. Published

    Notes on the genus Crataegus (Rosaceae - Pyreae) in southern Europe, the Crimea and western Asia

    Christensen, K. I. & Zielinski, J., 2008, In: Nordic Journal of Botany. 26, p. 344-366

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    A morphometric study of the geographic variation in Pinus contorta (Pinaceae)

    Christensen, K. I., 2005, In: Nordic Journal of Botany. 23, p. 563-575

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Pilefamilien, Salicaceae

    Christensen, K. I., 2006, Dansk flora. Frederiksen, S., Rasmussen, F. N. & Seberg, O. (eds.). København: Gyldendal, p. 372-384

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  16. Published

    Notes on the geographic distribution and ecology of Salix xanthicola (Salicaceae)

    Christensen, K. I., Zielinski, J. & Petrova, A., 2006, In: Phytologia Balcanica. 12, p. 209-213

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Proposal to conserve the name Salix fragilis with a conserved type (Salicaceae)

    Christensen, K. I. & Jonsell, B., 2005, In: Taxon. 54, 2, p. 555-556

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Salix xanthicola (Salicaceae) - distribution, ecology and relationships

    Christensen, K. I., 2006, In: Annales Musei Goulandris. 11, p. 37-79

    Research output: Contribution to journalJournal articleResearch

  19. Published

    Typification of specific and infraspecific names in Abies, Larix, Picea and Pinus (Pinaceae)

    Christensen, K. I. & Orlova, L. V., 2006, In: Feddes Repertorium. 117, p. 519-525

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Klit-fyr /Pinus contorta i Danmark - variation og tilpasning

    Christensen, K. I., 2003, In: Dansk Dendrologisk Aarsskrift. 21, p. 5-49

    Research output: Contribution to journalJournal articleResearch

  21. Published

    Hvidtjørn, Crataegus L.

    Christensen, K. I., 2006, Dansk flora. Frederiksen, S., Rasmussen, F. N. & Seberg, O. (eds.). København: Gyldendal, p. 416-417

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  22. Published
  23. Published

    Literaturbericht: Phipps, J.B., Monograph of northern Mexican Crataegus (Rosaceae subfam. Maloideae) (Sida 15)

    Christensen, K., 1999, In: Bot. Jahrb. Syst.. 12, p. 141-142

    Research output: Contribution to journalReviewResearch

  24. Published

    Natural hybridization among Pinus mugo and Pinus sylvestris.

    Christensen, K. & Dar, G. H., 1999, International Conifer Conference 1999 23rd-26th August 1999, Wye College, Kent, England-Programme & Abstracts. p. 37-38 2 p.

    Research output: Chapter in Book/Report/Conference proceedingPreface/postscriptResearch

  25. Published

    redwood

    Christensen, K., 2000, Den Store Danske Encyklopædi. København: Gyldendal, Vol. 16. p. 1 1 p.

    Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterResearch

  26. Published

    Review: Farjon, A. 1998. World Checklist and Bibliography of Conifers

    Christensen, K., 1999, In: Nordic Journal of Botany. 19, p. 148 1 p.

    Research output: Contribution to journalReviewResearch

  27. Published

    Rushforth, Keith 1999. Trees of Britain and Europe. Harper Collins Publishers. London

    Christensen, K., 1999, In: Dansk Dendrologisk Aarsskrift. 17, p. 132 1 p.

    Research output: Contribution to journalReviewResearch

  28. Published

    Coniferopsida

    Christensen, K., 2000, Flora Nordica 1. Stockholm: Royal Swedish Academy of Sciences, p. 91-115

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  29. Published

    Sem-studies of epidermal patterns of petals in the angiosperms

    Christensen, K. & Hansen, Hans Vilhelm, 1998, In: Opera Botanica. 135, p. 1-91

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Hybridization amongTilia cordata and T.platyphyllos (Tiliaceae) in Denmark

    Christensen, K. & Wicksell, U., 1999, In: Nordic Journal of Botany. 19, p. 673-684

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    En endemisk Hvidtjørn fra de græske bjerge

    Christensen, K., 2001, In: Dansk Dendrologisk Aarsskrift. 19, p. 5-10

    Research output: Contribution to journalJournal articleResearch

  32. Published

    Salix L. (pro parte)

    Christensen, K., 2000, Flora Nordica 1. Stockholm: Royal Swedish Academy of Sciences, p. 122-136,153-158,179-182

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  33. Published

    Materials for Flora Nordica: Typification of some Maloideae (Rosaceae) commonly cultivated in Norden

    Christensen, K., 1998, In: Nordic Journal of Botany. 18, p. 701-703

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Habitat diversity and zonality of vegetation in Sind Valley, Kashmir Himalaya

    Christensen, K. & Hassan Dar, G., 1999, In: Nature and Biosphere. 4, p. 49-71

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Lange, Johan 1999. Kulturplanternes indførselshistorie i Danmark indtil midten af 1900-tallet. 2. udgave. DSR Forlag. Frederiksberg

    Christensen, K., 1999, In: Dansk Dendrologisk Aarsskrift. 17, p. 131

    Research output: Contribution to journalReviewResearch

  36. Published

    Update of "K.I. Christensen 1998: A reanalysis of Crataegus eremitagensis C. raavadensis and schumacheri (Rosaceae)

    Christensen, K., 1998, København. 2 p.

    Research output: Book/ReportBookResearch

  37. Published

    Bestemmelsesnøgle til Taks (Taxus) i Danmark

    Christensen, K., 1998, In: Meddelelser fra Atlas Flora Danica. 4, p. 1-2

    Research output: Contribution to journalJournal articleResearch

  38. Published

    Dansk Dendrologisk Årsskrift i 50 år: Artikler publiceret i bínd 1,1 (1950) til 17 (1999)

    Christensen, K., 2000, In: Dansk Dendrologisk Aarsskrift. 18, p. 50-73

    Research output: Contribution to journalJournal articleResearch

  39. Published

    Crataegus L. (Rosaceae)

    Christensen, K., 1998, Standardliste der Farn- und Blütenpflanzen Deutschlands. Stuttgart (Hohenheim): Ulmer, p. 158-161

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  40. Museums and science centres for health: from scientific literacy to health promotion

    Christensen, J. H., Bønnelycke, J., Mygind, L. & Bentsen, P., 2016, In: Museum Management and Curatorship. 31, 1, p. 17-47 31 p.

    Research output: Contribution to journalReviewResearchpeer-review

  41. Published

    Activating the ‘peerness’ of youth leaders in a community sport programme through techne and phronesis

    Christensen, J. H., Evans, Adam B., Klinker, C. D., Staal, M. T., Bentsen, P. & Nielsen, Glen, 2022, In: Health Promotion International. 37, 6, 11 p., daac141.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Danekræ - et nyt begreb i dansk museumslovgivning. Med engelsk oversættelse Danekræ - a new concept in Danish Museum Legislation

    Christensen, E. F. & Hald, N., 1991, In: Arkæologiske Udgravninger i Danmark. 1990, p. 7-16 10 p.

    Research output: Contribution to journalJournal articleResearch

  43. Published

    Cohomology of operator algebras and quantum dynamical semigroups.

    Christensen, Erik & Evans , D. E., 1979, In: Journal of the London Mathematical Society. 20, 2, p. 358-368 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Published

    Derivations and their relation to perturbations of operator algebras

    Christensen, Erik, 1982, American Mathematical Society Symposia . Vol. 38. p. 261 - 273 13 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  45. Published

    Extensions of derivations II

    Christensen, Erik, 1982, In: Mathematica Scandinavica. 50, p. 111 -122 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Dirac operators and spectral triples for some fractal sets built on curves

    Christensen, Erik, Ivan, C. & Lapidus, M. L., 2008, In: Advances in Mathematics. 217, 1, p. 42 - 78 37 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Sums of two-dimensional spectral triples

    Christensen, Erik & Ivan, C., 2007, In: Mathematica Scandinavica. 100, 1, p. 35-60 26 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    On non-selfadjoint representations of C*-algebras

    Christensen, Erik, 1981, In: American Journal of Mathematics. 103, p. 817 - 833 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Non-commutative integration for monotone sequentially closed C∗ algebras

    Christensen, Erik, 1972, In: Mathematica Scandinavica. 31, p. 171-190 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Konvekse mængder

    Christensen, Erik, 2001, 106 p.

    Research output: Book/ReportBookCommunication