Results 71 to 80 of about 12,679 (203)

Gauge-natural field theories and Noether Theorems: canonical covariant conserved currents [PDF]

, 2005
Recently we found that canonical gauge-natural superpotentials are obtained as global sections of the {\em reduced} $(n-2)$-degree and $(2s-1)$-order quotient sheaf on the fibered manifold $\bY_{\zet} \times_{\bX} \mathfrak{K}$, where $\mathfrak{K}$ is ...
Palese, Marcella, Winterroth, Ekkehart
core   +3 more sources

Resonant switch model of twin peak HF QPOs applied to the atoll source 4U 1636-53

, 2012
We present a Resonant Switch (RS) model of twin peak high-frequency quasi-periodic oscillations (HF QPOs), assuming switch of twin oscillations at a resonant point, where frequencies of the upper and lower oscillations $\nu_U$ and $\nu_L$ become to be ...
Kotrlova, Andrea, Stuchlik, Zdenek, Torok, Gabriel   +2 more
core   +1 more source

A new set of international Leptosphaeria maculans isolates as a resource for elucidation of the basis and evolution of blackleg disease on Brassica napus

Plant Pathology, Volume 73, Issue 1, Page 170-185, January 2024.
An international collection of Leptosphaeria maculans isolates has been established as a key resource to help understand the interaction between this fungal pathogen and its host, canola (Brassica napus). Abstract A collection of isolates of the fungi Leptosphaeria maculans and L.
Angela P. Van de Wouw, Jack L. Scanlan, Hawlader A. Al‐Mamun, Marie‐Hélène Balesdent, Lydia Bousset, Lenka Burketová, Luis del Rio Mendoza, W. G. Dilantha Fernando, Coreen Franke, Barbara J. Howlett, Yong‐Ju Huang, E. Eirian Jones, Birger Koopmann, Suhaizan Lob, Ali Z. Mirabadi, Bridgit C. Nugent, Gary Peng, Franco R. Rossi, Huibrecht Schreuder, Annie R. Tabone, Gert J. Van Coller, Jacqueline Batley, Alexander Idnurm   +22 more
wiley   +1 more source

Super-spinning compact objects and models of high-frequency quasi-periodic oscillations observed in Galactic microquasars. II. Forced resonances

, 2017
In our previous work (Paper I) we applied several models of high-frequency quasi-periodic oscillations (HF QPOs) to estimate the spin of the central compact object in three Galactic microquasars assuming the possibility that the central compact body is a
Goluchová, Kateřina, Kotrlová, Andrea, Stuchlík, Zdeněk, Török, Gabriel, Šrámková, Eva   +4 more
core   +1 more source

[Rezension zu:] Iva Kratochvílová/Jana Nálepová: "Sprache: Deutsch" [PDF]

, 2009
Rezension zu Iva Kratochvílová/Jana Nálepová (Hrsg.): "Sprache: Deutsch". Beiträge des internationalen germanistischen Symposiums Opava/Sambachshof.
Schmidt, Marek
core  

Quantum-Gravity Stochastic Effects on the de Sitter Event Horizon

Entropy, 2020
The stochastic character of the cosmological constant arising from the non-linear quantum-vacuum Bohm interaction in the framework of the manifestly-covariant theory of quantum gravity (CQG theory) is pointed out.
Claudio Cremaschini, Massimo Tessarotto
doaj   +1 more source

Scalar second order evolution equations possessing an irreducible sl$_2$-valued zero curvature representation

, 2002
We find all scalar second order evolution equations possessing an sl$_2$-valued zero curvature representation that is not reducible to a proper subalgebra of sl$_2$.
Alexeyev A A, Dodd R, Finley J D III, Krasil'shchik I S, Marvan M, Marvan M, Michal Marvan, Mikhailov A V, Mikhailov A V, Sakovich S Yu, Shabat A B, Sokolov V V, Sokolov V V, Svinolupov S I, Sym A, Tenenblat K, Zakharov V E   +16 more
core   +1 more source

Global Generalized Bianchi Identities for Invariant Variational Problems on Gauge-natural Bundles [PDF]

, 2005
We derive both {\em local} and {\em global} generalized {\em Bianchi identities} for classical Lagrangian field theories on gauge-natural bundles.
Palese, M., Winterroth, E.
core   +1 more source

Recursion operator for stationary Nizhnik--Veselov--Novikov equation

, 2002
We present a new general construction of recursion operator from zero curvature representation. Using it, we find a recursion operator for the stationary Nizhnik--Veselov--Novikov equation and present a few low order symmetries generated with the help of
A Sergyeyev, Ablowitz M J, Blaszak M, Bocharov A V, Fuchssteiner B, Guthrie G A, Karasu (Kalkanli) A, Konopelchenko B G, Konopelchenko B G, M Marvan, Marvan M, Nizhnik L P, Olver P J, Rogers C, Sergyeyev A, Veselov A P, Wang J P   +16 more
core   +1 more source

Quasiperiodic oscillations in a strong gravitational field around neutron stars testing braneworld models

, 2008
The strong gravitational field of neutron stars in the brany universe could be described by spherically symmetric solutions with a metric in the exterior to the brany stars being of the Reissner-Nordstrom type containing a brany tidal charge representing
Abramowicz M A Barret D Bursa M Horák J Kluźniak W Rebusco P Török G Hledík S Stuchlík Z, Andrea Kotrlová, Bakala P, Blaes O M, Boutloukos S, Böhmer C G, Gabriel Török, Glendenning N K, Jaroszyński M, Kato S, Kluźniak W, Kluźniak W Abramowicz M A, Kozłowski M, Krolik J H, Lachowicz P, Landau L D, Maartens R, Misner C W, Nayfeh A H, Paczyński B, Ponce de Leon J, Schee J Stuchlík Z Hledík S Stuchlík Z, Schee J Stuchlík Z Hledík S Stuchlík Z, Stella L, Strohmayer T E, Stuchlík Z, Stuchlík Z, Stuchlík Z Kotrlová A Török G Hledík S Stuchlík Z, Török G, Török G, Török G, Török G, Török G Bursa M Horák J Stuchlík Z Bakala P Hledík S Stuchlík Z, Török G Stuchlík Z Hledík S Stuchlík Z, Zdenêk Stuchlík   +34 more
core   +1 more source