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- Max Planck Institute for MathematicsDE33 papers
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5 papers · 1 filter
Does Probability become Fuzzy in Small Regions of Spacetime?
Markus Mueller
In a recent paper, Buniy et al. have argued that a possible discretization of spacetime leads to an unavoidable discretization of the state space of quantum mechanics. In this pape…
Relating on-shell and off-shell formalism in perturbative quantum field theory
Christian Brouder, Michael Duetsch
In the on-shell formalism (mostly used in perturbative quantum field theory) the entries of the time ordered product T are on-shell fields (i.e. the basic fields satisfy the free f…
Removal of violations of the Master Ward Identity in perturbative QFT
Ferdinand Brennecke, Michael Duetsch
We study the appearance of anomalies of the Master Ward Identity, which is a universal renormalization condition in perturbative QFT. The main insight of the present paper is that…
q-Deformed Superalgebras
Alexander Schmidt, Hartmut Wachter
The article deals with q-analogs of the three- and four-dimensional Euclidean superalgebra and the Poincare superalgebra.
Heat trace asymptotics defined by transfer boundary conditions
Peter Gilkey, Klaus Kirsten, Dmitri Vassilevich
We compute the first 5 terms in the short-time heat trace asymptotics expansion for an operator of Laplace type with transfer boundary conditions using the functorial properties of…