Large NLO corrections in tt¯W±$$ t\overline{t}{W}^{\pm } $$ and tt¯tt¯$$ t\overline{t}t\overline{t} $$ hadroproduction from supposedly subleading EW contributions
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DOI: 10.1007/jhep02(2018)031
Abstract: A bstractWe calculate the complete-NLO predictions for tt¯W±$$ t\overline{t}{W}^{\pm } $$ and tt¯tt¯$$ t\overline{t}t\overline{t} $$ production in proton-proton collisions at 13 and 100 TeV. All the non-vanishing contributions of Oαsiαj$$ \mathcal{O}\left({\alpha}_s^i{\alpha}^j\right) $$ with i +… read more here.
Keywords: alpha alpha; left alpha; mathcal left; alpha right ... See more keywords
Alpha-alpha scattering in the Multiverse
Sign Up to like & getrecommendations! Published in 2022 at "Journal of High Energy Physics"
DOI: 10.1007/jhep02(2022)001
Abstract: Abstract We investigate the phase shifts of low-energy α-α scattering under variations of the fundamental parameters of the Standard Model, namely the light quark mass, the electromagnetic fine-structure constant as well as the QCD θ-angle.… read more here.
Keywords: pion mass; wave phase; phase shifts; phase ... See more keywords
Meromorphic Solutions of Certain Nonlinear Difference Equations
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DOI: 10.1007/s00025-021-01414-5
Abstract: Let $$p_1, p_2$$ be nonzero rational functions, $$\alpha _1, \alpha _2$$ be nonzero constants, and $$P_d(z, f)$$ be a difference polynomial in f of degree d. We prove that every finite order meromorphic solution of… read more here.
Keywords: nonlinear difference; difference equations; meromorphic solutions; difference ... See more keywords
Bilinear Fractional Integral Along Homogeneous Curves
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DOI: 10.1007/s00041-016-9511-9
Abstract: The boundedness of the bilinear fractional integrals along homogeneous curves $$\gamma (t)=(t^{\alpha _1},t^{\alpha _2})$$γ(t)=(tα1,tα2) with $$\alpha _2>\alpha _1\ge 1$$α2>α1≥1 is obtained. The authors extend the results of the bilinear fractional integrals of Kenig and Stein… read more here.
Keywords: alpha alpha; homogeneous curves; bilinear fractional; integral along ... See more keywords
Critical Behavior and Universality Classes for an Algorithmic Phase Transition in Sparse Reconstruction
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Statistical Physics"
DOI: 10.1007/s10955-019-02292-6
Abstract: Recovery of an N-dimensional, K-sparse solution $${\mathbf {x}}$$x from an M-dimensional vector of measurements $${\mathbf {y}}$$y for multivariate linear regression can be accomplished by minimizing a suitably penalized least-mean-square cost $$||{\mathbf {y}}-{\mathbf {H}} {\mathbf {x}}||_2^2+\lambda… read more here.
Keywords: alpha alpha; mathbf; mathbf mathbf; alpha ... See more keywords
On the algebraic structure of the copositive cone
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DOI: 10.1007/s11590-020-01591-2
Abstract: We decompose the copositive cone $$\mathcal {COP}^{n}$$ COP n into a disjoint union of a finite number of open subsets $$S_{{\mathcal {E}}}$$ S E of algebraic sets $$Z_{{\mathcal {E}}}$$ Z E . Each set $$S_{{\mathcal… read more here.
Keywords: alpha alpha; minimal zero; cop; copositive cone ... See more keywords
The nonexpansive and mean nonexpansive fixed point properties are equivalent for affine mappings
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fixed Point Theory and Applications"
DOI: 10.1007/s11784-020-00830-4
Abstract: Let C be a convex subset of a Banach space X and let T be a mapping from C into C. Fix $$\alpha =(\alpha _1,\alpha _2,\ldots ,\alpha _n)$$ a multi-index in $${\mathbb {R}}^n$$ such that… read more here.
Keywords: fixed point; point; nonexpansive mean; alpha alpha ... See more keywords
A Semigroup Approach to Fractional Poisson Processes
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DOI: 10.1007/s11785-018-0763-z
Abstract: It is well-known that fractional Poisson processes (FPP) constitute an important example of a non-Markovian structure. That is, the FPP has no Markov semigroup associated via the customary Chapman–Kolmogorov equation. This is physically interpreted as… read more here.
Keywords: banach space; alpha alpha; poisson processes; semigroup approach ... See more keywords
Approximation of a Function f of Generalized Lipschitz Class by Its Extended Legendre Wavelet Series
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DOI: 10.1007/s40819-018-0577-8
Abstract: In this paper, two classes $${ Lip}_\alpha ^{(s)}[0, 1)$$Lipα(s)[0,1) and $${ Lip}\xi [0, 1)$$Lipξ[0,1) are introduced. These classes of functions are the generalization of the known Lipschitz class $${ Lip}_\alpha [0, 1), 0 read more here.
Keywords: alpha alpha; lipschitz class; approximation; class ... See more keywords
Quenched decay of correlations for slowly mixing systems
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DOI: 10.1090/tran/7811
Abstract: We study random towers that are suitable to analyse the statistics of slowly mixing random systems. We obtain upper bounds on the rate of quenched correlation decay in a general setting. We apply our results… read more here.
Keywords: alpha; frac alpha; slowly mixing; quenched decay ... See more keywords
Entanglement distance between quantum states and its implications for a density-matrix renormalization group study of degenerate ground states
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DOI: 10.1103/physrevb.96.165129
Abstract: We study the concept of entanglement distance between two quantum states which quantifies the amount of information shared between their reduced density matrices (RDMs). Using analytical arguments combined with density-matrix-renormalization-group (DMRG) and exact diagonalization (ED)… read more here.
Keywords: alpha alpha; distance; density; alpha ell ... See more keywords