Extending solutions and the equations of quantum gravity past the big bang singularity

We recently proved that in our model of quantum gravity, the solutions to the quantized version of the full Einstein equations or to the Wheeler-DeWitt equation could be expressed as products of spatial and temporal eigenfunctions, or eigendistributions, of self-adjoint operators acting in correspon...

Full description

Saved in:
Bibliographic Details
Main Author: Gerhardt, Claus (Author)
Format: Article (Journal)
Language:English
Published: 9 February 2025
In: Symmetry
Year: 2025, Volume: 17, Issue: 2, Pages: 1-27
ISSN:2073-8994
DOI:10.3390/sym17020262
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3390/sym17020262
Verlag, lizenzpflichtig, Volltext: https://www.mdpi.com/2073-8994/17/2/262
Get full text
Author Notes:Claus Gerhardt

MARC

LEADER 00000naa a2200000 c 4500
001 1930525966
003 DE-627
005 20250715134941.0
007 cr uuu---uuuuu
008 250715s2025 xx |||||o 00| ||eng c
024 7 |a 10.3390/sym17020262  |2 doi 
035 |a (DE-627)1930525966 
035 |a (DE-599)KXP1930525966 
040 |a DE-627  |b ger  |c DE-627  |e rda 
041 |a eng 
084 |a 27  |2 sdnb 
100 1 |a Gerhardt, Claus  |d 1946-  |e VerfasserIn  |0 (DE-588)106843249  |0 (DE-627)690945094  |0 (DE-576)345445910  |4 aut 
245 1 0 |a Extending solutions and the equations of quantum gravity past the big bang singularity  |c Claus Gerhardt 
264 1 |c 9 February 2025 
300 |a 27 
336 |a Text  |b txt  |2 rdacontent 
337 |a Computermedien  |b c  |2 rdamedia 
338 |a Online-Ressource  |b cr  |2 rdacarrier 
500 |a Gesehen am 15.07.2025 
520 |a We recently proved that in our model of quantum gravity, the solutions to the quantized version of the full Einstein equations or to the Wheeler-DeWitt equation could be expressed as products of spatial and temporal eigenfunctions, or eigendistributions, of self-adjoint operators acting in corresponding separable Hilbert spaces. Moreover, near the big bang singularity, we derived sharp asymptotic estimates for the temporal eigenfunctions. In this paper, we show that, by using these estimates, there exists a complete sequence of unitarily equivalent eigenfunctions which can be extended past the singularity by even or odd mirroring as sufficiently smooth functions such that the extended functions are solutions of the appropriately extended equations valid in R in the classical sense. We also use this phenomenon to explain the missing antimatter. 
650 4 |a big bang singularity 
650 4 |a quantization of gravity 
650 4 |a quantum gravity 
773 0 8 |i Enthalten in  |t Symmetry  |d Basel : MDPI, 2009  |g 17(2025), 2, Artikel-ID 262, Seite 1-27  |h Online-Ressource  |w (DE-627)610604112  |w (DE-600)2518382-5  |w (DE-576)311829570  |x 2073-8994  |7 nnas  |a Extending solutions and the equations of quantum gravity past the big bang singularity 
773 1 8 |g volume:17  |g year:2025  |g number:2  |g elocationid:262  |g pages:1-27  |g extent:27  |a Extending solutions and the equations of quantum gravity past the big bang singularity 
856 4 0 |u https://doi.org/10.3390/sym17020262  |x Verlag  |x Resolving-System  |z lizenzpflichtig  |3 Volltext 
856 4 0 |u https://www.mdpi.com/2073-8994/17/2/262  |x Verlag  |z lizenzpflichtig  |3 Volltext 
951 |a AR 
992 |a 20250715 
993 |a Article 
994 |a 2025 
998 |g 106843249  |a Gerhardt, Claus  |m 106843249:Gerhardt, Claus  |d 110000  |d 110400  |e 110000PG106843249  |e 110400PG106843249  |k 0/110000/  |k 1/110000/110400/  |p 1  |x j  |y j 
999 |a KXP-PPN1930525966  |e 474642957X 
BIB |a Y 
SER |a journal 
JSO |a {"title":[{"title_sort":"Extending solutions and the equations of quantum gravity past the big bang singularity","title":"Extending solutions and the equations of quantum gravity past the big bang singularity"}],"physDesc":[{"extent":"27 S."}],"relHost":[{"pubHistory":["1.2009 -"],"language":["eng"],"recId":"610604112","id":{"eki":["610604112"],"zdb":["2518382-5"],"issn":["2073-8994"]},"type":{"media":"Online-Ressource","bibl":"periodical"},"disp":"Extending solutions and the equations of quantum gravity past the big bang singularitySymmetry","name":{"displayForm":["Molecular Diversity Preservation International (MDPI)"]},"origin":[{"dateIssuedDisp":"2009-","publisherPlace":"Basel","dateIssuedKey":"2009","publisher":"MDPI"}],"physDesc":[{"extent":"Online-Ressource"}],"title":[{"title":"Symmetry","title_sort":"Symmetry"}],"part":{"volume":"17","text":"17(2025), 2, Artikel-ID 262, Seite 1-27","extent":"27","issue":"2","pages":"1-27","year":"2025"}}],"origin":[{"dateIssuedDisp":"9 February 2025","dateIssuedKey":"2025"}],"name":{"displayForm":["Claus Gerhardt"]},"type":{"bibl":"article-journal","media":"Online-Ressource"},"id":{"doi":["10.3390/sym17020262"],"eki":["1930525966"]},"recId":"1930525966","person":[{"display":"Gerhardt, Claus","role":"aut","family":"Gerhardt","given":"Claus"}],"language":["eng"],"note":["Gesehen am 15.07.2025"]} 
SRT |a GERHARDTCLEXTENDINGS9202