Results 41 to 50 of about 16,027 (213)

On the Hadamard product of Hopf monoids

open access: yes, 2012
Combinatorial structures which compose and decompose give rise to Hopf monoids in Joyal's category of species. The Hadamard product of two Hopf monoids is another Hopf monoid. We prove two main results regarding freeness of Hadamard products.
Aguiar   +7 more
core   +2 more sources

On certain classes of Dirichlet series with real coefficients absolute convergent in a half-plane

open access: yesМатематичні Студії
For $h>0$, $\alpha\in [0,h)$ and $\mu\in {\mathbb R}$  denote by   $SD_h(\mu, \alpha)$ a class of absolutely convergent in the half-plane $\Pi_0=\{s:\, \text{Re}\,s\alpha$ for all $s\in \Pi_0$,}   \smallskip\noi and let  $\Sigma D_h(\mu, \alpha)$ be ...
M. M. Sheremeta
doaj   +1 more source

Quantum picturalism for topological cluster-state computing

open access: yes, 2020
Topological quantum computing is a way of allowing precise quantum computations to run on noisy and imperfect hardware. One implementation uses surface codes created by forming defects in a highly-entangled cluster state.
Abramsky S   +15 more
core   +1 more source

Target Estimation in Colocated MIMO Radar via Matrix Completion [PDF]

open access: yes, 2013
We consider a colocated MIMO radar scenario, in which the receive antennas forward their measurements to a fusion center. Based on the received data, the fusion center formulates a matrix which is then used for target parameter estimation.
Bajwa, Waheed U.   +2 more
core   +1 more source

Robust Hadamard Matrices, Unistochastic Rays in Birkhoff Polytope and Equi-Entangled Bases in Composite Spaces [PDF]

open access: yesMathematics in Computer Science, 2018
17 ...
Rajchel, Grzegorz   +2 more
openaire   +4 more sources

Stable Imitation of Multigait and Bipedal Motions for Quadrupedal Robots Over Uneven Terrains

open access: yesAdvanced Robotics Research, EarlyView.
How are quadrupedal robots empowered to execute complex navigation tasks, including multigait and bipedal motions? Challenges in stability and real‐world adaptation persist, especially with uneven terrains and disturbances. This article presents an imitation learning framework that enhances adaptability and robustness by incorporating long short‐term ...
Erdong Xiao   +3 more
wiley   +1 more source

A Short Calculation of the Multiple Sum of Krivokolesko-Leinartas with Linear Constraints on Summation Indices

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2019
The method of integral representation and calculation of the combinatorial sums of various type (the method of coefficients) using the formal Laurent power series over $\mathbbm C$, the theory of analitical functions and the theory of multiple residues ...
G.P. Egorychev
doaj   +1 more source

PyZX: Large Scale Automated Diagrammatic Reasoning

open access: yes, 2020
The ZX-calculus is a graphical language for reasoning about ZX-diagrams, a type of tensor networks that can represent arbitrary linear maps between qubits.
Kissinger, Aleks, van de Wetering, John
core   +1 more source

Genome‐Wide by Lifetime Environment Interaction Studies of Brain Imaging Phenotypes

open access: yesAdvanced Science, EarlyView.
This study explores genome‐wide by lifetime environment interactions on brain imaging phenotypes. Gene‐environment interactions explain more phenotypic variance than main effects, pinpoint regulatory variants, and reveal exposure‐specific biological pathways.
Sijia Wang   +51 more
wiley   +1 more source

Hadamard States From Light-like Hypersurfaces

open access: yes, 2017
This book provides a rather self-contained survey of the construction of Hadamard states for scalar field theories in a large class of notable spacetimes, possessing a (conformal) light-like boundary.
Dappiaggi, Claudio   +2 more
core   +1 more source

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