# Publications

J. Carifio, W.J. Cunningham, J. Halverson, D. Krioukov, C. Long, and B.D. Nelson

Summary: We show a bubble cosmology model on networks of string geometries has late-time determined by the networks' eigenvector centralities, which provides a dynamical mechanism for vacuum selection in the string landscape. arXiv

**Vacuum Selection from Cosmology on Networks of String Geometries***arXiv Preprint*Summary: We show a bubble cosmology model on networks of string geometries has late-time determined by the networks' eigenvector centralities, which provides a dynamical mechanism for vacuum selection in the string landscape. arXiv

W.J. Cunningham

Summary: New algorithms are used to infer the shape of the region bounding a causal set embedded into 2D Minkowski spacetime. DOI arXiv

**Inference of Boundaries in Causal Sets***Classical and Quantum Gravity 35, 094002 (2018)*Summary: New algorithms are used to infer the shape of the region bounding a causal set embedded into 2D Minkowski spacetime. DOI arXiv

W.J. Cunningham and D. Krioukov

Summary: New parallel algorithms calculate the causal set Benincasa-Dowker action using CUDA, AVX, x86 assembly, and MPI; simulation speeds increase by 1000x. DOI arXiv

**Causal Set Generator and Action Computer***Computer Physics Communications - In Press (2018)*Summary: New parallel algorithms calculate the causal set Benincasa-Dowker action using CUDA, AVX, x86 assembly, and MPI; simulation speeds increase by 1000x. DOI arXiv

W.J. Cunningham, D. Rideout, J. Halverson, and D. Krioukov

Summary: We provide closed-form solutions to some of the most important Friedmann-Lemaitre-Robertson-Walker spacetimes, and give a simple prescription to determine geodesic completeness using only the scale factor. DOI arXiv

**Exact Geodesic Distances in FLRW Spacetimes***Physical Review D 96, 103538 (2017)*Summary: We provide closed-form solutions to some of the most important Friedmann-Lemaitre-Robertson-Walker spacetimes, and give a simple prescription to determine geodesic completeness using only the scale factor. DOI arXiv