Browsing by Author "Gregoris, D."

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  • On the first G₁ stiff fluid spike solution in General Relativity

    Coley, A.A.; Gregoris, D.; Lim, Woei Chet (IOP Publishing Ltd, 2016)
    Using the Geroch transformation we obtain the first example of an exact stiff fluid spike solution to the Einstein field equations in a closed form exhibiting a spacelike G₁ group of symmetries (i.e., with a single isometry). ...
  • Stiff fluid spike solutions from Bianchi type V seed solutions

    Gregoris, D.; Lim, Woei Chet; Coley, A.A. (IOP Publishing Ltd, 2017-12-07)
    In this paper we expand upon our previous work Coley et al (2016 Class. Quantum Grav. 33 215010) by using the entire family of Bianchi type V stiff fluid solutions as seed solutions of the Stephani transformation. Among ...

D. Gregoris has 2 co-authors in Research Commons.