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Optimal Cheeger cuts and bisections of random geometric graphs

Let d ≥ 2. The Cheeger constant of a graph is the minimum surfaceto- volume ratio of all subsets of the vertex set with relative volume at most 1/2. There are several ways to define surface and volume here: The simplest...

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Optimal Cheeger cuts and bisections of random geometric graphs

Let d ≥ 2. The Cheeger constant of a graph is the minimum surfaceto- volume ratio of all subsets of the vertex set with relative volume at most 1/2. There are several ways to define surface and volume here: The simplest...

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Direct procurement of donor heart with normothermic regional perfusion of abdominal organs.
PURPOSE: To evaluate if direct procurement of heart is possible in combination with normothermic regional perfusion of abdominal organs in donors after circulatory death. DESCRIPTION: A donation after circulatory death pathway...
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Chaotic-Integrable Transition in the Sachdev-Ye-Kitaev Model.
Quantum chaos is one of the distinctive features of the Sachdev-Ye-Kitaev (SYK) model, N Majorana fermions in 0+1 dimensions with infinite-range two-body interactions, which is attracting a lot of interest as a toy model for...
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Phylogenetic Analysis Shows That Neolithic Slate Plaques From the Southwestern Iberian Peninsula are not Genealogical Recording Systems
Prehistoric material culture proposed to be symbolic in nature has been the object of considerable archaeological work from diverse theoretical perspectives, yet rarely are methodological tools used to test the interpretations....
An unaware agenda
Consciousness impairments have been described as a cornerstone of epilepsy. Generalized seizures are usually characterized by a complete loss of consciousness, whereas focal seizures have more variable degrees of responsiveness....
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The spread of agriculture in Iberia through Approximate Bayesian Computation and Neolithic projectile tools.
In the present article we use geometric microliths (a specific type of arrowhead) and Approximate Bayesian Computation (ABC) in order to evaluate possible origin points and expansion routes for the Neolithic in the Iberian...
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Unconditionally secure relativistic multi-party biased coin flipping and die rolling
We introduce relativistic multi-party biased die-rolling protocols, generalizing coin flipping to M≥2 parties and to N≥2 outcomes for any chosen outcome biases and show them unconditionally secure. Our results prove that the...
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