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Effective Field Theory
If we take quantum gravity to be a theory that replaces GR at high energy scales (i.e. a micro-theory of spacetime), then GR must be understood as an...
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Cleopatra’s Nose and Complex International Politics
This chapter outlines what a theory of international politics founded on this assumption of complexity would involve. It begins by discussing the...
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The Liverpool Years: The First Professor of Theoretical Physics
In 1948, at Chadwick’s[aut]Chadwick, J instigation, and after long negotiations with the Vice Chancellor to ensure that he would have an effectively...
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Tipping Points in 1-Dimensional Schelling Models with Switching Agents
Schelling’s spacial proximity model was an early agent-based model, illustrating how ethnic segregation can emerge, unwanted, from the actions of...
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Mount Wilson
From 1908 onwards, Kapteyn was a part-time Research Associate at the Mount Wilson Observatory near Pasadena, California. Between 1908 and 1914 he...
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Galaxy Alignments: An Overview
The alignments between galaxies, their underlying matter structures, and the cosmic web constitute vital ingredients for a comprehensive...
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Tools of the Trade for Building a Future
Pythagoras (575–495 bc), the one who became famous for his theorem, had been the first, according to tradition, who would declare: “The secret...
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Effects of Quasi-Equilibrium States on the Kinetics of Electron Transfer and Radical Pair Stabilisation in Photosystem I
Reaction centres are the sites of primary energy conversion in photosynthesis. The energy of the absorbed photon is trapped photochemically, with...
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The Crisis of Growth
In our society serious questions regarding the future of science reflect a widespread fear that in certain important areas scientific progress is...
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A First Attempt to Tame Complexity: Statistical Mechanics
People often observe that today’s world is complex. Although this term is not precisely defined, we instinctively distinguish simple from complex...
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Micromechanics of elastic buckling of a colloidal polymer layer on a soft substrate: experiment and theory
We study the buckling instability of a colloidal particle layer adhered to an elastic substrate using an integrated experimental and theoretical...
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Noise focusing and the emergence of coherent activity in neuronal cultures
At early stages of development, neuronal cultures in vitro spontaneously reach a coherent state of collective firing in a pattern of nearly periodic...
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Infering and Calibrating Triadic Closure in a Dynamic Network
In the social sciences, the hypothesis of triadic closure contends that new links in a social contact network arise preferentially between those who...
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Beyond Mankind
Knowledge is the product of activities of individual minds, activities whose subjects and investigative methods are—at least in theory—free; in...
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Near Field Cosmology: The Origin of the Galaxy and the Local Group
The Galaxy has built up through a process of accretion and merging over billions of years which continues to this day. Astronomers are now embarking...
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Social Cohesion, Structural Holes, and a Tale of Two Measures
In the social sciences, the debate over the structural foundations of social capital has long vacillated between two positions on the relative...
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Philip W. Anderson: Superconductivity from a Broader Perspective
Philip Warren Anderson shared the Nobel Prize in Physics for 1977 with Sir Nevill Francis Mott and John Hasbrouck van Vleck “for their fundamental...
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The Very Small and the Very Large
The little town of Joachimsthal at the border between the Czech Republic and Germany was well known in the 16th century for its silver reserves....
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MOSIPS Agent-Based Model for Predicting and Simulating the Impact of Public Policies on SMEs
This paper presents MOSIPS (MOdel of Simulation of Impacts of Public Policies on SMEs), a multi-agent model of an open economy. It is part of a...
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Graph Metrics for Temporal Networks
Temporal networks, i.e., networks in which the interactions among a set of elementary units change over time, can be modelled in terms of...
