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13 papers · 1 filter
Automorphisms of the semigroup of endomorphisms of free associative algebras
A. Kanel-Belov, A. Berzins, R. Lipyanski
Let be a free associative algebra in freely generated over by a set , be the semigroup of endomorphisms of $…
Electric field induced hyperfine level-crossings in (nD)Cs at two-step laser excitation: experiment and theory
M. Auzinsh, K. Blushs, R. Ferber +3
The pure electric field level-crossing of m_F Zeeman sublevels of hyperfine F levels at two-step laser excitation was described theoretically and studied experimentally for the nD_…
Experimental investigation of the breakdown of the Onsager-Casimir relations
C. A. Marlow, R. P. Taylor, M. Fairbanks +2
We use magnetoconductance fluctuation measurements of phase-coherent semiconductor billiards to quantify the contributions to the nonlinear electric conductance that are asymmetric…
Semantics of UML 2.0 Activity Diagram for Business Modeling by Means of Virtual Machine
Valdis Vitolins, Audris Kalnins
The paper proposes a more formalized definition of UML 2.0 Activity Diagram semantics. A subset of activity diagram constructs relevant for business process modeling is considered.…
An abundance analysis of the symbiotic star CH Cyg
M. R. Schmidt, L. Zacs, J. Mikolajewska +1
The photospheric abundances for the cool component of the symbiotic star CH Cyg were calculated for the first time using high-resolution near-infrared spectra and the method of of…
Symplectic integration approach for metastable systems
E. Klotins
Nonadiabatic behavior of metastable systems modeled by anharmonic Hamiltonians is reproduced by the Fokker-Planck and imaginary time Schrodinger equation scheme with subsequent sym…