Results 41 to 50 of about 560,350 (359)

On the cosmological implications of the string Swampland [PDF]

open access: yesPhysics Letters B, 2018
We study constraints imposed by two proposed string Swampland criteria on cosmology. These criteria involve an upper bound on the range traversed by scalar fields as well as a lower bound on | ∇ ϕ V | / V when V > 0 . We find that inflationary models are
P. Agrawal   +3 more
semanticscholar   +1 more source

String theory dynamics in various dimensions [PDF]

open access: yes, 1995
The strong coupling dynamics of string theories in dimension d ⩾ 4 are studied. It is argued, among other things, that eleven-dimensional supergravity arises as a low energy limit of the ten-dimensional Type IIA superstring, and that a recently ...
E. Witten
semanticscholar   +1 more source

String Abstractions for String Verification [PDF]

open access: yes, 2011
Verifying string manipulating programs is a crucial problem in computer security. String operations are used extensively within web applications to manipulate user input, and their erroneous use is the most common cause of security vulnerabilities in web applications.
Fang Yu 0001   +2 more
openaire   +1 more source

The influence of providing perches and string on activity levels, fearfulness and leg health in commercial broiler chickens

open access: yesAnimal, 2015
The aim of this study was to assess the effect of providing environmental enrichment in the form of perches and string on the behaviour and welfare of commercial broiler chickens.
C.L. Bailie, N.E. O’Connell
doaj   +1 more source

Topology and Wilson lines: global aspects of the double copy

open access: yesJournal of High Energy Physics, 2020
The Kerr-Schild double copy relates exact solutions of gauge and gravity theories. In all previous examples, the gravity solution is associated with an abelian-like gauge theory object, which linearises the Yang-Mills equations.
Luigi Alfonsi   +2 more
doaj   +1 more source

Supersymmetric Janus solutions in $$\omega $$ ω -deformed $$N=8$$ N = 8 gauged supergravity

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
We give a large class of supersymmetric Janus solutions in $$\omega $$ ω -deformed (dyonic) SO(8) maximal gauged supergravity with $$\omega =\frac{\pi }{8}$$ ω = π 8 .
Parinya Karndumri, Chawakorn Maneerat
doaj   +1 more source

STRING 8—a global view on proteins and their functional interactions in 630 organisms

open access: yesNucleic Acids Res., 2008
Functional partnerships between proteins are at the core of complex cellular phenotypes, and the networks formed by interacting proteins provide researchers with crucial scaffolds for modeling, data reduction and annotation.
L. Jensen   +11 more
semanticscholar   +1 more source

String cadences

open access: yesTheoretical Computer Science, 2017
We say a string has a cadence if a certain character is repeated at regular intervals, possibly with intervening occurrences of that character. We call the cadence anchored if the first interval must be the same length as the others. We give a sub-quadratic algorithm for determining whether a string has any cadence consisting of at least three ...
Amihood Amir   +3 more
openaire   +3 more sources

Influence of plant soil mixtures on plant vegetation

open access: yesRUDN Journal of Agronomy and Animal Industries
The study was focused on investigating the effect of composition of light soil on vegetation of lettuce plants. Nowadays, reducing the density of plant substrates is becoming an important component for obtaining quality products.
Anatoly E. Unitsky   +4 more
doaj   +1 more source

String/Gauge Duality and Penrose Limit [PDF]

open access: yes, 2003
Berenstein, Maldacena, and Nastase have recently discovered a particular limit of AdS/CFT correspondence where string theory in a plane wave background is dual to a sector of $mathcal N =4 SYM in a double scaling limit.
Park, Jongwon
core   +1 more source

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