Results 91 to 100 of about 99,723 (258)

Aggregation and the Structure of Value

open access: yesNoûs, EarlyView.
ABSTRACT Roughly, the view I call “Additivism” sums up value across time and people. Given some standard assumptions, I show that Additivism follows from two principles. The first says that how lives align in time cannot, in itself, matter. The second says, roughly, that a world cannot be better unless it is better within some period or another.
Weng Kin San
wiley   +1 more source

Spacetime representation of topological phononics

open access: yesNew Journal of Physics, 2018
Non-conventional topology of elastic waves arises from breaking symmetry of phononic structures either intrinsically through internal resonances or extrinsically via application of external stimuli.
Pierre A Deymier   +3 more
doaj   +1 more source

Spacetime from unentanglement [PDF]

open access: yes, 2017
Author(s): Nomura, Y; Rath, P; Salzetta, N | Abstract: © 2018 authors. Published by the American Physical Society. The past decade has seen a tremendous effort toward unraveling the relationship between entanglement and emergent spacetime.
Y. Nomura, Pratik Rath, Nico Salzetta
semanticscholar   +1 more source

Anselm's Temporal‐Ontological Proof

open access: yesNoûs, EarlyView.
ABSTRACT In his Reply to Gaunilo, Anselm presented two additional arguments for the existence of God beyond those that appear in the Proslogion. In “The Logical Structure of Anselm's Argument,” Robert M. Adams isolates each. One, he develops into a modal ontological argument along the lines of other 20th century ontological arguments (e.g., those of ...
Daniel Rubio
wiley   +1 more source

Colonialism’s Mortal Remains

open access: yesSemiotic Review
Drawing on sixteen months of ethnographic fieldwork in Oran, Algeria’s second- largest city, I argue that some cemeteries serve as semiotic landscapes of ambivalence— places that people cannot or refuse to classify within a culturally recognized ...
Stephanie Love
doaj   +1 more source

The quantum structure of spacetime at the Planck scale and quantum fields [PDF]

open access: yes, 1995
We propose uncertainty relations for the different coordinates of spacetime events, motivated by Heisenberg's principle and by Einstein's theory of classical gravity.
S. Doplicher, K. Fredenhagen, J. Roberts
semanticscholar   +1 more source

A Persisting Equivalence

open access: yesNoûs, EarlyView.
ABSTRACT In several articles, McCall and Lowe have claimed that endurantism and perdurantism are “equivalent.” From this, they conclude that there is no fact of the matter as to whether we live in an endurantist world or in a perdurantist world. In this paper, I use the notion of Morita equivalence to show in which precise sense, McCall and Lowe's ...
Joshua Babic
wiley   +1 more source

Radiative Spacetimes

open access: yes, 2002
The question of existence of general, asymptotically flat radiative spacetimes and examples of explicit classes of radiative solutions of Einstein's field equations are discussed in the light of some new developments. The examples are cylindrical waves, Robinson-Trautman and type N spacetimes and especially boost-rotation symmetric spacetimes ...
openaire   +2 more sources

On spacetime entanglement [PDF]

open access: yesJournal of High Energy Physics, 2013
We examine the idea that in quantum gravity, the entanglement entropy of a general region should be finite and the leading contribution is given by the Bekenstein-Hawking area law. Using holographic entanglement entropy calculations, we show that this idea is realized in the Randall-Sundrum II braneworld for sufficiently large regions in smoothly ...
Myers, Robert C.   +2 more
openaire   +3 more sources

Uniform-velocity spacetime crystals

open access: yesAdvanced Photonics, 2018
. We perform a comprehensive analysis of uniform-velocity bilayer spacetime crystals, combining concepts of conventional photonic crystals and special relativity.
Zoé-Lise Deck-Léger   +4 more
semanticscholar   +1 more source

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