Results 11 to 20 of about 1,708,096 (323)

A Method for Temporal Fault Tree Analysis Using Intuitionistic Fuzzy Set and Expert Elicitation

open access: yesIEEE Access, 2020
Temporal fault trees (TFTs), an extension of classical Boolean fault trees, can model time-dependent failure behaviour of dynamic systems. The methodologies used for quantitative analysis of TFTs include algebraic solutions, Petri nets (PN), and Bayesian
Sohag Kabir   +4 more
doaj   +2 more sources

Quantification of Temporal Fault Trees Based on Fuzzy Set Theory

open access: greenInternational Conference on Dependability of Computer Systems, 2014
Sohag Kabir   +3 more
openalex   +3 more sources

Extending low energy effective field theory with a complete set of dimension-7 operators [PDF]

open access: yesJournal of High Energy Physics, 2020
We present a complete and independent set of dimension-7 operators in the low energy effective field theory (LEFT) where the dynamical degrees of freedom are the standard model five quarks and all of the neutral and charged leptons. All operators are non-
Y. Liao, Xiao-Dong Ma, Quan Wang
semanticscholar   +1 more source

Machine Learning in Electrofacies Classification and Subsurface Lithology Interpretation: A Rough Set Theory Approach

open access: yes, 2020
Initially, electrofacies were introduced to define a set of recorded well log responses in order to characterize and distinguish a bed from the other rock units, as an advancement to the conventional application of well logs.
T. Hossain   +3 more
semanticscholar   +1 more source

On-Shell Covariance of Quantum Field Theory Amplitudes. [PDF]

open access: yesPhysical Review Letters, 2022
Scattering amplitudes in quantum field theory are independent of the field parametrization, which has a natural geometric interpretation as a form of "coordinate invariance." Amplitudes can be expressed in terms of Riemannian curvature tensors, which ...
T. Cohen   +3 more
semanticscholar   +1 more source

On the VC-dimension‎, ‎covering and separating properties of the cycle and spanning tree hypergraphs of graphs [PDF]

open access: yesTransactions on Combinatorics, 2022
In this paper‎, ‎we delve into studying some relations between the structure of the cycles and spanning trees of a graph through the lens of its cycle and spanning tree hypergraphs which are hypergraphs with the edge set of the graph as their vertices ...
Alireza Mofidi
doaj   +1 more source

Proof of the MHV vertex expansion for all tree amplitudes in N=4 SYM theory [PDF]

open access: yes, 2008
We prove the MHV vertex expansion for all tree amplitudes of N=4 SYM theory. The proof uses a shift acting on all external momenta, and we show that every N^kMHV tree amplitude falls off as 1/z^k, or faster, for large z under this shift.
A. Brandhuber   +36 more
core   +2 more sources

A new gauge-invariant double copy for heavy-mass effective theory [PDF]

open access: yesJournal of High Energy Physics, 2021
We propose a new form of the colour-kinematics/double-copy duality for heavy-mass effective field theories, which we apply to construct compact expressions for tree amplitudes with heavy matter particles in Yang-Mills and in gravity to leading order in ...
A. Brandhuber   +3 more
semanticscholar   +1 more source

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