TY  - JOUR
A1  - Stulpe, Werner
A1  - Singer, Matthias
T1  - Informational Incompleteness of the Observables Sx,Sy,Sz for Spin-1 Systems. Singer, Matthias; Stulpe, W.
JF  - Foundations of Physics. 20 (1990), H. 4
Y1  - 1990
SN  - 1572-9516
SP  - 471
EP  - 472
ER  - 
TY  - JOUR
A1  - Stulpe, Werner
A1  - Singer, Matthias
T1  - Phase-Space Representations of General Statistical Physical Theories. Singer, Matthias; Stulpe, Werner
JF  - Journal of Mathematical Physics. 33 (1992), H. 1
Y1  - 1992
SN  - 1089-7658
SP  - 131
EP  - 142
ER  - 
TY  - JOUR
A1  - Stulpe, Werner
A1  - Singer, Matthias
T1  - Some Remarks on the Determination of Quantum States by Measurements
JF  - Foundations of Physics Letters. 3 (1990), H. 2
Y1  - 1990
SN  - 1572-9524
SP  - 153
EP  - 166
ER  - 
TY  - JOUR
A1  - Stulpe, Werner
T1  - On the Representation of Quantum Mechanics on a Classical Sample Space
JF  - International Journal of Theoretical Physics. 37 (1998), H. 1
Y1  - 1998
SN  - 1572-9575
SP  - 349
EP  - 356
ER  - 
TY  - JOUR
A1  - Stulpe, Werner
A1  - Swat, Maciej
T1  - Quantum States as Probability Measures
JF  - Foundations of Physics Letters. 14 (2001), H. 3
Y1  - 2001
SN  - 1572-9524
SP  - 285
EP  - 293
ER  - 
TY  - JOUR
A1  - Stulpe, Werner
T1  - Conditional Expectations and Stochastic Processes in Quantum Probability
JF  - Information complexity and control in quantum physics : proceedings of the 4. Internat. Seminar on Mathematical Theory of Dynamical Systems and Microphysics, Udine, Sept. 4 - 13, 1985 / ed. by A. Blaquiere ...
Y1  - 1987
SN  - 3-211-81992-4
N1  - Courses and lectures / International Centre for Mechanical Sciences ; 294, International Seminar on Mathematical Theory of Dynamical Systems and Microphysics <4,1985, Udine>
SP  - 223
EP  - 234
PB  - Springer
CY  - Wien [u.a.]
ER  - 
TY  - JOUR
A1  - Bogoyavlenskiy, A. P.
A1  - Berezin, V. E.
A1  - Ogneva, A. V.
A1  - Tolmacheva, V. P.
A1  - Digel, Ilya
A1  - Khudyakova, S. S.
T1  - Immunostimulating activity of a saponin-containing extract of Saponaria officinalis
JF  - Voprosy virusologii
Y1  - 1999
SN  - 0507-4088
VL  - 44
IS  - 5
SP  - 229
EP  - 232
ER  - 
TY  - JOUR
A1  - Mulhern, Colm
A1  - Bialonski, Stephan
A1  - Kantz, Holger
T1  - Extreme events due to localization of energy
JF  - Physical Review E
Y1  - 2015
U6  - https://doi.org/10.1103/PhysRevE.91.012918
SN  - 2470-0053
VL  - 91
IS  - 1
SP  - 012918
ER  - 
TY  - JOUR
A1  - Grajewski, Matthias
A1  - Köster, Michael
A1  - Turek, Stefam
T1  - Numerical analysis and implementational aspects of a new multilevel grid deformation method
JF  - Applied Numerical Mathematics
N2  - Recently, we introduced and mathematically analysed a new method for grid deformation (Grajewski et al., 2009) [15] we call basic deformation method (BDM) here. It generalises the method proposed by Liao et al. (Bochev et al., 1996; Cai et al., 2004; Liao and Anderson, 1992) [4], [6], [20]. In this article, we employ the BDM as core of a new multilevel deformation method (MDM) which leads to vast improvements regarding robustness, accuracy and speed. We achieve this by splitting up the deformation process in a sequence of easier subproblems and by exploiting grid hierarchy. Being of optimal asymptotic complexity, we experience speed-ups up to a factor of 15 in our test cases compared to the BDM. This gives our MDM the potential for tackling large grids and time-dependent problems, where possibly the grid must be dynamically deformed once per time step according to the user's needs. Moreover, we elaborate on implementational aspects, in particular efficient grid searching, which is a key ingredient of the BDM.
Y1  - 2010
U6  - https://doi.org/10.1016/j.apnum.2010.03.017
SN  - 0168-9274
VL  - 60
IS  - 8
SP  - 767
EP  - 781
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - JOUR
A1  - Stulpe, Werner
T1  - From the attempt of certain classical reformulations of quantum mechanics to quasi-probability representations
JF  - Journal of Mathematical Physics
N2  - The concept of an injective affine embedding of the quantum states into a set of classical states, i.e., into the set of the probability measures on some measurable space, as well as its relation to statistically complete observables is revisited, and its limitation in view of a classical reformulation of the statistical scheme of quantum mechanics is discussed. In particular, on the basis of a theorem concerning a non-denseness property of a set of coexistent effects, it is shown that an injective classical embedding of the quantum states cannot be supplemented by an at least approximate classical description of the quantum mechanical effects. As an alternative approach, the concept of quasi-probability representations of quantum mechanics is considered.
Y1  - 2014
U6  - https://doi.org/10.1063/1.4861939
SN  - 222-488
N1  - bereits unter gleichem Titel aufgenommen bei arxiv : http://arxiv.org/pdf/1307.2314.pdf
VL  - 55
IS  - 1
PB  - AIP Publishing
CY  - College Park, Md.
ER  -