Abstract
We study implications of Leibnizian ideas such as the identity of indiscernibles, and variety (due to Barbour and Smolin) in the context of Wolfram Model, which has been put forward in 2020. We have provided (at the moment) speculative interpretations for Leibnizian and non-Leibnizian hypergraphs. We introduced an action based on variety, to select paths where it is maximized. The specific universe which is of concern here is the one with name ‘wm1268’ from the Registry of Notable Universe Models, which is used as a test case in the present study.
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Notes
The idea is proposed by Deutsch and used by Barbour and Smolin in Ref. [3] where reference to Deutsch is given. Hence we use these three names to denote the specific choice of variety function we employ in the study. The word ‘BSD’ should not to be confused with the operating system with the same name, where the word BSD is an acronym for ‘Berkeley Software Distribution.’
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Acknowledgements
This study has been supported by a TÜBİTAK 1002-A project under the grant number 122F297. We would like to thank the anonymous referee with whose comments the paper has much improved. We are grateful to Tınaz Ekim for useful discussions. The numerical calculations reported in this paper were partially performed at Harran University High Performance Computing Center (Harran HPC resources). We would like to thank Abdulkerim Eneş for help as regards the use of the mentioned HPC environment. The codes we developed for this study is available in Ref. [6] under the GPLv3 license. All the figures have been drawn with Mathematica [23].
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F.S.D. did the whole work in preparation of the manuscript. This includes writing the article, drawing plots, and numerical calculations
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Statistics
In this Appendix, we will provide statistics about the multiway system. Here we consider a bigger multiway system that is three steps bigger than the earlier representations, and it describes the same universe. In Table 1 we have given information on the number of all paths, physical paths and paths of maximum action, for each depth. Because we begin with the second node in the multiway system (since it is Leibnizian) the depth value begins with 3 and ends with 9.
As the multiway system expands, new configurations are obtained. Hence, it is expected that the maximum value of action increases. The value of maximum action is plotted in Fig. 11.
Moreover, it is useful to plot the density of physical and maximum action paths in the space of all possible paths. It can be seen in Fig. 12.
We finish this part by providing how physical and maximum action paths propagate in the multiway system, as a function of depth. For that purpose we plotted the full multiway system (not layer by layer since it would be impossible to discern features in the scale of A4 paper), then by increasing the step, we highlighted physical and maximum action paths. Please see Fig. 13.
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Dündar, F.S. A Case Study for Leibnizian Ideas in Wolfram Model. Found Phys 54, 43 (2024). https://doi.org/10.1007/s10701-024-00777-3
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DOI: https://doi.org/10.1007/s10701-024-00777-3