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S. F. Shandarin, J. V. Sheth and V. Sahni, MNRAS 353
2004
Earlier work this paper cites.
S. Shandarin, S. Habib and K. Heitmann, Phys. Rev. D 85
2012
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Similar

T. Abel, O. Hahn and R. Kaehler, MNRAS 427
2012
Cited alongside, same era.
M. C. Neyrinck, MNRAS 427
2012
Cited alongside, same era.
B. L. Falck, M. C. Neyrinck, M. A. Aragon-Calvo and A. S. Szalay, in prep
Cited in the paper.

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B. L. Falck, M. C. Neyrinck and A. S. Szalay, ApJ 754
2012
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2013

ORIGAMI: Delineating Cosmic Structures with Phase-Space Folds

Neyrinck, Mark C., Falck, Bridget L., Szalay, Alex S.

Understand

Structures like galaxies and filaments of galaxies in the Universe come about from the origami-like folding of an initially flat three-dimensional manifold in 6D phase space.

The ORIGAMI method identifies these structures in a cosmological simulation, delineating the structures according to their outer folds.
Structure identification is a crucial step in comparing cosmological simulations to observed maps of the Universe.
The ORIGAMI definition is objective, dynamical and geometric: filament, wall and void particles are classified according to the number of orthogonal axes along which dark-matter streams have crossed.