Sigbjørn Hervik
Professor
Institutt for matematikk og fysikk
Professor
Normann, Ben David; Ricciardone, Angelo; Hervik, Sigbjørn; Thorsrud, Mikjel
(2022)
A study of inhomogeneous massless scalar gauge fields in cosmology.
International Journal of Modern Physics, Conference Series
ISSN 2010-1945.
Barausse, Enrico; Berti, Emanuele; Hertog, Thomas; Hughes, Scott A.; Jetzer, Philippe; Pani, Paolo; Hervik, Sigbjørn; Kolesova, Helena; Marcoccia, Paolo; Nardini, Germano; Nielsen, Alex Bentley; Sotiriou, Thomas P.; Tamanini, Nicola; Witek, Helvi; Yagi, Kent; Yunes, Nicolás; Abdelsahin, T.; Achucarro, A.; van Aelst, K.; Afshordi, N.; Akcay, S.; Annulli, L.; Arun, K.G.; Ayuso, I.; Baibhav, V.; Baker, T.; Bantilan, H.; Barreiro, T.; Barrera-Hinojosa, C.; Bartolo, N.; Baumann, D.; Belgacem, E.; Bellini, E.; Bellomo, N.; Ben-Dayan, I.; Bena, I.; Benkel, R.; Bergshoefs, E.; Bernard, L.; Bernuzzi, S.; Bertacca, D.; Besancon, M.; Beutler, F.; Beyer, F.; Bhagwat, S.; Bicak, J.; Biondini, S.; Bize, S.; Blas, D.; Boehmer, C.
(2020)
Prospects for fundamental physics with LISA.
General Relativity and Gravitation
ISSN 0001-7701.
Volum 52.
Hervik, Sigbjørn; Ortaggio, Marcello
(2020)
Universal p-form black holes in generalized theories of gravity.
European Physical Journal C
ISSN 1434-6044.
Volum 80.
Hervik, Sigbjørn; Ortaggio, Marcello
(2020)
On Universal Black Holes.
Acta Physica Polonica B, Proceedings Supplement
ISSN 1899-2358.
Volum 13.
Hefte 2.
s.291-295.
Normann, Ben David; Hervik, Sigbjørn
(2020)
Collins in Wonderland.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 37.
Normann, Ben David; Hervik, Sigbjørn
(2020)
Approaching Wonderland.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 37.
Hefte 8.
s.1-47.
Hervik, Sigbjørn; Ortaggio, Marcello
(2020)
Universal Black Holes.
Journal of High Energy Physics (JHEP)
ISSN 1126-6708.
McNutt, David Duncan; Wylleman, Lode; Coley, Alan; Hervik, Sigbjørn
(2019)
Locally Boost Isotropic Spacetimes and the Type ${\bf D}^k$ Condition.
arXiv.org
ISSN 2331-8422.
Hervik, Sigbjørn; McNutt, David Duncan
(2019)
Locally Homogeneous Kundt Triples and CSI Metrics.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 36.
Hefte 18.
Helleland, Christer; Hervik, Sigbjørn
(2019)
Real GIT with applications to compatible representations and Wick-rotations.
Journal of Geometry and Physics
ISSN 0393-0440.
Volum 142.
s.92-110.
Hervik, Sigbjørn
(2018)
On a new class of infinitesimal group actions on pseudo-Riemannian manifolds.
arXiv.org
ISSN 2331-8422.
Normann, Ben David; Hervik, Sigbjørn; Ricciardone, Angelo; Thorsrud, Mikjel
(2018)
Bianchi cosmologies with p-form gauge fields.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 35.
Hefte 9.
Hervik, Sigbjørn; Ortaggio, Marcello; Pravda, Vojtech
(2018)
Universal electromagnetic fields.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 35.
Hefte 17.
s.1-19.
Hervik, Sigbjørn; Malek, Tomas
(2018)
Universal Walker metrics.
Physica Scripta
ISSN 0031-8949.
Volum 93.
Hefte 8.
s.1-12.
Gregersen, Øyvind Weiby; Kløkstad, Geir Øivind; Hervik, Sigbjørn; Plesser, Hans Ekkehard; Pettersen, Ivar
(2017)
Some factors affecting the grades of technology students.
Nordic Journal of STEM Education
ISSN 2535-4574.
Volum 1.
Hefte 1.
s.167-173.
Helleland, Christer; Hervik, Sigbjørn
(2017)
A Wick-rotatable metric is purely electric.
Journal of Geometry and Physics
ISSN 0393-0440.
Volum 123.
s.424-429.
Hervik, Sigbjørn; Pravda, Vojtech; Pravdova, Alena
(2017)
Universal spacetimes in four dimensions.
Journal of High Energy Physics (JHEP)
ISSN 1126-6708.
Volum 2017.
Hefte 10.
Helleland, Christer; Hervik, Sigbjørn
(2017)
Wick rotations and real GIT.
Journal of Geometry and Physics
ISSN 0393-0440.
Volum 123.
s.343-361.
Shogin, Dmitry; Amundsen, Per Amund; Hervik, Sigbjørn
(2015)
On the viability of the truncated Israel–Stewart theory in cosmology.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 32.
Hefte 19.
s.1-14.
Hervik, Sigbjørn; Pravda, Vojtech; Pravdova, Alena
(2015)
Type III and II universal spacetimes.
Journal of Physics: Conference Series (JPCS)
ISSN 1742-6588.
Volum 600:012066.
Hervik, Sigbjørn; Haarr, Anders; Yamamoto, Kei
(2015)
I-degenerate pseudo-Riemannian metrics.
Journal of Geometry and Physics
ISSN 0393-0440.
Volum 98.
s.384-399.
Hervik, Sigbjørn; Malek, Tomas; Pravda, Vojtech; Pravdova, Alena
(2015)
Type II universal spacetimes.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 32.
Shogin, Dmitry; Hervik, Sigbjørn
(2015)
Dynamics of tilted Bianchi models of types III, IV, V in presence of diffusion.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 32.
Hefte 5.
Hervik, Sigbjørn; Pravda, Vojtech; Pravdova, Alena
(2015)
Type N universal spacetime.
Journal of Physics: Conference Series (JPCS)
ISSN 1742-6588.
Volum 600.
Hefte 1.
Hervik, Sigbjørn; Pravda, Vojtech; Pravdova, Alena
(2014)
Type III and N universal spacetimes.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 31.
Hefte 21.
Shogin, Dmitry; Hervik, Sigbjørn
(2014)
The late-time behaviour of tilted Bianchi type VIII universes in presence of diffusion.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 31.
Hefte 13.
Hervik, Sigbjørn; Ortaggio, Marcello; Wylleman, Lode
(2014)
Electric and magnetic Weyl tensors in higher dimensions.
Springer Proceedings in Physics
ISSN 0930-8989.
Volum 157.
s.287-290.
Coley, Alan; Hervik, Sigbjørn; McNutt, David; Musoke, Nathan; Brooks, Dario
(2014)
Neutral signature Walker-VSI metrics.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 31.
Hefte 3.
Hervik, Sigbjørn; Ortaggio, Marcello; Wylleman, Lode
(2013)
Minimal tensors and purely electric or magnetic spacetimes of arbitrary dimension.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 30.
Hefte 16.
Shogin, Dmitry; Hervik, Sigbjørn
(2013)
Evolution of a simple inhomogeneous anisotropic cosmological model with diffusion.
Journal of Cosmology and Astroparticle Physics (JCAP)
ISSN 1475-7516.
Volum 2013.
Hefte 10.
Gurses, Metin; Hervik, Sigbjørn; Sisman, Tahsin; Tekin, Bayram
(2013)
Anti–de Sitter–wave solutions of higher derivative Theories.
Physical Review Letters
ISSN 0031-9007.
Volum 111.
Hefte 10.
Thorsrud, Mikjel; Mota, David ; Hervik, Sigbjørn
(2012)
Cosmology of a scalar field coupled to matter and an isotropy-violating Maxwell field.
Journal of High Energy Physics (JHEP)
ISSN 1126-6708.
Hefte 10.
Hervik, Sigbjørn
(2012)
Pseudo-Riemannian VSI spaces II.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 29.
Hefte 9.
Coley, Alan; Hervik, Sigbjørn; Ortaggio, Marcello; Wylleman, Lode
(2012)
Refinements of the Weyl tensor classification in five dimensions.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 29.
Hefte 15.
Alcolado, A; MacDougall, A; Coley, Alan; Hervik, Sigbjørn
(2012)
4D neutral signature VSI and CSI spaces.
Journal of Geometry and Physics
ISSN 0393-0440.
Volum 62.
Hefte 3.
s.594-603.
Coley, Alan; Hervik, Sigbjørn
(2011)
Universality and Constant Scalar Curvature Invariants.
ISRN Geometry
ISSN 2090-6307.
DOI: 10.5402/2011/248615
Hervik, Sigbjørn; Coley, Alan
(2011)
Pseudo-Riemannian VSI spaces.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 28.
Hefte 1.
Hervik, Sigbjørn
(2011)
All metrics have curvature tensors characterized by its invariants as a limit: the epsilon-property.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 28.
Hefte 15.
Hervik, Sigbjørn; Coley, Alan
(2011)
On the algebraic classification of pseudo-Riemannian spaces.
International Journal of Geometric Methods in Modern Physics (IJGMMP)
ISSN 0219-8878.
Volum 8.
Hefte 8.
s.1679-1685.
Coley, Alan; Hervik, Sigbjørn; Durkee, Mark; Godazgar, Mahdi
(2011)
Algebraic classification of five-dimensional spacetimes using scalar invariants.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 28.
Hefte 15.
Coley, Alan; Hervik, Sigbjørn
(2011)
Discriminating the Weyl type in higher dimensions using scalar curvature invariants.
General Relativity and Gravitation
ISSN 0001-7701.
Volum 43.
Hefte 8.
s.2199-2207.
Hervik, Sigbjørn
(2011)
A spacetime not characterized by its invariants is of aligned type II.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 28.
Hefte 21.
Hervik, Sigbjørn; Mota, David ; Thorsrud, Mikjel
(2011)
Inflation with stable anisotropic hair: is it cosmologically viable?.
Journal of High Energy Physics (JHEP)
ISSN 1126-6708.
Hefte 11.
Hervik, Sigbjørn; Coley, Alan
(2010)
Curvature operators and scalar curvature invariants.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 27.
Hefte 9.
Hervik, Sigbjørn; Lim, Woei Chet; Sandin, Patrik; Uggla, Claes
(2010)
Future asymptotics of tilted Bianchi type II cosmologies.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 27.
Hefte 18.
Coley, Alan; Hervik, Sigbjørn; Pelavas, Nicos
(2010)
Lorentzian manifolds and scalar curvature invariants.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 27.
Hefte 10.
Coley, Alan; Hervik, Sigbjørn
(2010)
Higher dimensional bivectors and classification of the Weyl operator.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 27.
Hefte 1.
Barrow, John; Hervik, Sigbjørn
(2010)
Simple types of anisotropic inflation.
Physical Review D. Particles and fields
ISSN 0556-2821.
Volum 81.
Hefte 2.
Coley, Alan; Hervik, Sigbjørn; Pelavas, Nicos
(2009)
Spacetimes characterized by their scalar curvature invariants.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 26.
Hefte 2.
Coley, Alan; Fuster, Andrea; Hervik, Sigbjørn
(2009)
SUPERGRAVITY SOLUTIONS WITH CONSTANT SCALAR INVARIANTS.
International Journal of Modern Physics A
ISSN 0217-751X.
Volum 24.
Hefte 6.
s.1119-1133.
Coley, Alan; Hervik, Sigbjørn; Pelavas, Nicos
(2009)
Lorentzian spacetimes with constant curvature invariants in four dimensions.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 26.
Hefte 12.
Brannlund, Johan; Coley, Alan; Hervik, Sigbjørn
(2009)
Holonomy, decomposability, and relativity(1).
Canadian journal of physics (Print)
ISSN 0008-4204.
Volum 87.
Hefte 3.
s.241-243.
DOI: 10.1139/P08-092
Coley, Alan; Hervik, Sigbjørn; Papadopoulos, G.; Pelavas, Nicos
(2009)
Kundt spacetimes.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 26.
Hefte 10.
Coley, Alan; Hervik, Sigbjørn; Lim, Woei Chet; MacCallum, Malcolm
(2009)
Properties of kinematic singularities.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 26.
Hefte 21.
Coley, A.; Hervik, Sigbjørn
(2009)
Note on the invariant classification of vacuum type D spacetimes.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 26.
Hefte 24.
Brannlund, Johan; Coley, Alan; Hervik, Sigbjørn
(2008)
Supersymmetry, holonomy and Kundt spacetimes.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 25.
Hefte 19.
Coley, Alan; Hervik, Sigbjørn
(2008)
A note on tilted Bianchi type VIh models: the type III bifurcation.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 25.
Hefte 19.
Coley, Alan; Gibbons, Gary; Hervik, Sigbjørn; Pope, C.N.
(2008)
Metrics with vanishing quantum corrections.
Classical and Quantum Gravity
ISSN 0264-9381.
Volum 25.
Hefte 14.
Hervik, Sigbjørn; Kruglikov, Boris; Markina, Irina; The, Dennis
(2022)
Geometry, Lie Theory and Applications: The Abel Symposium 2019.
Springer
ISBN 978-3-030-81295-9.
Hervik, Sigbjørn; Kruglikov, Boris; Markina, Irina; The, Dennis
(2022)
Geometry, Lie Theory and Applications: The Abel Symposium 2019.
Springer
ISBN 978-3-030-81295-9.
Hervik, Sigbjørn
(2018)
On spaces having identical polynomial curvature invariants.
Hervik, Sigbjørn
(2016)
Wick rotations and Holomorphic Riemannian geometry.
Hervik, Sigbjørn
(2015)
Differensialligninger.
Hervik, Sigbjørn
(2014)
Følger, rekker og diskret matematikk.
Hervik, Sigbjørn
(2014)
Abelprisen 2014.
Hervik, Sigbjørn
(2014)
The Universe -- Cracking the code.
Hervik, Sigbjørn
(2014)
Partikkelfysikk.
Hervik, Sigbjørn
(2012)
Nobelprisen i Fysikk 2011.
Hervik, Sigbjørn
(2011)
Herfra til Uendeligheten.
Script
Hefte 2.