Results 61 to 70 of about 747,490 (222)

THE THEORY OF VISION [PDF]

open access: yesBritish Journal of Ophthalmology, 1909
PROF. JOLY'S papers on vision are very interesting. He adopts the visual purple as the visual substance, but there is no evidence that the rods are percipient elements. The view that they are percipient elements is based on errors, as, for instance, that certain animals—the tortoise is the most quoted—possess only cones; that the periphery of the ...
openaire   +6 more sources

Finite-volume effects in the δ-regime

open access: yesJournal of High Energy Physics
We derive a systematic perturbative expansion for the finite-volume energy spectrum of the non-linear O(N) σ-model in the δ-regime. The violation of the power-counting rules that emerges after the separation of the fast and slow modes is dealt with to ...
Ulf-G. Meißner   +2 more
doaj   +1 more source

Three-pion contribution to hadronic vacuum polarization

open access: yesJournal of High Energy Physics, 2019
We address the contribution of the 3π channel to hadronic vacuum polarization (HVP) using a dispersive representation of the e + e − → 3π amplitude. This channel gives the second-largest individual contribution to the total HVP integral in the anomalous ...
Martin Hoferichter   +2 more
doaj   +1 more source

Tractability of Theory Patching [PDF]

open access: yesJournal of Artificial Intelligence Research, Vol 8, (1998), 39-65, 1998
In this paper we consider the problem of `theory patching', in which we are given a domain theory, some of whose components are indicated to be possibly flawed, and a set of labeled training examples for the domain concept. The theory patching problem is to revise only the indicated components of the theory, such that the resulting theory correctly ...
arxiv  

Gauge theories on noncommutative spaces [PDF]

open access: yesarXiv, 2000
I review my results about noncommutative gauge theories and about the relation of these theories to M(atrix) theory following my lecture on ICMP 2000.
arxiv  

A Map between (q,h)-deformed Gauge Theories and ordinary Gauge Theories [PDF]

open access: yesarXiv, 2003
We introduce a new map between a (q,h)-deformed gauge theory and ordinary gauge theory in a full analogy with Seiberg-Witten map.
arxiv  

Superconducting Field Theory (The Unification Theory)

open access: yesSSRN Electronic Journal, 2023
Unification theory with no extra dimensions. The first part unifies the strong nuclear force with the gravitational force in a mathematical way; the quantum vacuum is treated as a deformable system by the strong nuclear force. The second part unifies the strong nuclear force with the quantum vacuum in a hypothetical structure; the quantum vacuum is ...
openaire   +1 more source

Correlations of C and CP violation in η → π 0 ℓ + ℓ − and η ′ → ηℓ + ℓ −

open access: yesJournal of High Energy Physics
Based on recent progress in the systematic analysis of C and CP violation in the light-meson sector, we calculate the C-odd transition amplitudes η → π 0 ℓ + ℓ − and η ′ → ηℓ + ℓ − .
Hakan Akdag   +2 more
doaj   +1 more source

The Spectral Theory of Tensors (Rough Version) [PDF]

open access: yesarXiv, 2012
This is a survey of the spectral theory of tensors.
arxiv  

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