scholarly journals Field-theoretic simulations beyond δ-interactions: Overcoming the inverse potential problem in auxiliary field models

2021 ◽  
Vol 155 (2) ◽  
pp. 024106
Author(s):  
Alexander Weyman ◽  
Vlasis G. Mavrantzas ◽  
Hans Christian Öttinger
1982 ◽  
Vol 14 (4-5) ◽  
pp. 245-252 ◽  
Author(s):  
C S Sinnott ◽  
D G Jamieson

The combination of increasing nitrate concentrations in the River Thames and the recent EEC Directive on the acceptable level in potable water is posing a potential problem. In assessing the impact of nitrates on water-resource systems, extensive use has been made of time-series analysis and simulation. These techniques are being used to define the optimal mix of alternatives for overcoming the problem on a regional basis.


Author(s):  
Yujin Nagasawa

This chapter explores exactly what perfect being theism means when it says that God is the being than which no greater is metaphysically possible. It considers the greatness of God in the light of the ‘great chain of being’, a hierarchy of all possible beings. It analyses God’s great-making properties, including knowledge, power, and benevolence, and considers various rigorous models of God’s relations to other possible beings, such as the ‘linear model’ and the ‘radial model’. It defends the radial model but also raises a potential problem it faces. The chapter concludes by arguing that the linear model should be taken seriously as a backup option for perfect being theists.


2021 ◽  
Vol 2021 (5) ◽  
Author(s):  
Aleksander J. Cianciara ◽  
S. James Gates ◽  
Yangrui Hu ◽  
Renée Kirk

Abstract A conjecture is made that the weight space for 4D, $$ \mathcal{N} $$ N -extended supersymmetrical representations is embedded within the permutahedra associated with permutation groups 𝕊d. Adinkras and Coxeter Groups associated with minimal representations of 4D, $$ \mathcal{N} $$ N = 1 supersymmetry provide evidence supporting this conjecture. It is shown that the appearance of the mathematics of 4D, $$ \mathcal{N} $$ N = 1 minimal off-shell supersymmetry representations is equivalent to solving a four color problem on the truncated octahedron. This observation suggest an entirely new way to approach the off-shell SUSY auxiliary field problem based on IT algorithms probing the properties of 𝕊d.


1997 ◽  
Vol 12 (31) ◽  
pp. 2331-2340 ◽  
Author(s):  
L. Chekhov ◽  
K. Zarembo

We calculate an effective action and measure induced by the integration over the auxiliary field in the matrix model recently proposed to describe IIB superstrings. It is shown that the measure of integration over the auxiliary matrix is uniquely determined by locality and reparametrization invariance of the resulting effective action. The large-N limit of the induced measure for string coordinates is discussed in detail. It is found to be ultralocal and, thus, is possibly irrelevant in the continuum limit. The model of the GKM type is considered in relation to the effective action problem.


2014 ◽  
Vol 11 (7) ◽  
pp. 1230-1234 ◽  
Author(s):  
Gaofeng Liu ◽  
Ming Li ◽  
Yan Wu ◽  
Peng Zhang ◽  
Lu Jia ◽  
...  

1988 ◽  
Vol 69 (4) ◽  
pp. 632-634 ◽  
Author(s):  
Larry A. Rogers

✓ Two episodes of massive bleeding from a sutured arteriotomy were observed within 30 hours after carotid endarterectomy. The patient had received anticoagulation therapy with heparin for 72 hours prior to surgery. A platelet count of 93,000/cu mm was demonstrated following the second hemorrhage. The potential problem of drug-induced thrombocytopenia following vascular surgery is discussed.


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