Opereta wa ulimwengu wa Boushaki

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Opereta wa kikosmolojia wa Boushaki
Expansion de l'univers.gif
Upanuzi wa ulimwengu
MwandishiMustapha Ishak Boushaki
Jina la awaliEnglish: Boushaki cosmological operator
English: Index of inconsistency (IOI)
NchiMarekani
LughaKiingereza
AinaSayansi, Fizikia
Kimechapishwa2006

Opereta wa kikosmolojia wa Boushaki au faharasa ya kutolingana (IOI) ni mbinu ya takwimu ya kikosmolojia iliyotengenezwa na Mustapha Ishak Boushaki tangu 2006 ili kuchanganua upanuzi wa ulimwengu.[1][2][3][4][5]

Utafiti wa msingi[hariri | hariri chanzo]

Profesa Mustapha Ishak Boushaki alichapisha karatasi yake ya kwanza juu ya kutofautiana kwa upanuzi wa ulimwengu mnamo 2006 baada ya kuwasilisha nadharia yake ya udaktari yenye kichwa "Studies in non-homogeneous cosmological models" chini ya usimamizi wa Profesa Kayll William Lake mnamo Juni 2003 ndani ya Chuo Kikuu cha Malkia huko Kingston.[6][7][8][9][10]

Boushaki alijaribu kutatua fumbo lililofichwa katika upanuzi unaoharakisha wa ulimwengu kwa kusoma dhima ya nishati ya giza ya kinadharia katika urekebishaji wa athari ya wimbi la mvuto.[11][12][13][14][15]

Kielezo cha kutofautiana[hariri | hariri chanzo]

Ishak-Boushaki na mwanafunzi wake Weikang Lin walitengeneza katika Chuo Kikuu cha Texas huko Dallas hatua mpya, inayoitwa index of inconsistency (IOI), ambayo inaweza kutoa thamani ya nambari kwa kiasi gani zaidi ya seti mbili za data hazikubaliani.[16][17][18][19][20]

Katika zana hii, thamani ya kutofautiana ya zaidi ya moja inaweza kumaanisha kuwa seti za data za cosmology haziendani, wakati thamani kubwa zaidi ya tano inaziweka katika darasa la kutofautiana kwa nguvu.[21][22][23][24][25]

Njia hii na nyinginezo zinazotumiwa kutathmini hali ya kutofautiana ambayo hailingani na matokeo ya zana za Max Planck.[26][27][28][29][30]

Hubble mara kwa mara[hariri | hariri chanzo]

Darubini Kubwa ya Uchunguzi wa Synoptic (LSST)

Zana hii ya takwimu inatumika kulinganisha mbinu kadhaa tofauti ili kutathmini hali ya kudumu ya Hubble, ambayo inaonyesha kasi ambayo ulimwengu unapanuka.[31][32][33][34][35]

Tangu 2016, Boushaki alitumia vipimo hivi vya mara kwa mara katika ripoti zake zinazoshughulikia matokeo kutoka kwa uchunguzi wa kutofautiana kwa umbali wa cosmological na ukuaji wa muundo kwa kiasi kikubwa.[36][37][38][39][40]

Hakika, tafiti na ripoti hizi zimeonyesha kuwa mara kwa mara hii muhimu ya cosmological inaweza kubadilishwa kutoka kwa thamani yake ya kweli wakati inhomogeneities haijahesabiwa.[41][42][43][44][45]

Boushaki alitumia data iliyotolewa na kamera za hali ya juu za Darubini ya Anga ya Hubble ili kuchunguza na kukokotoa kwa kutumia zana ya IOI aina mpya ya nishati inayohusika katika upanuzi wa anga katika ulimwengu kwa kutumia viasili vya kosmolojia vilivyotathminiwa.[46][47][48][49][50]

Darubini Kubwa ya Utafiti wa Synoptic[hariri | hariri chanzo]

Boushaki akiwa na timu yake ya watafiti katika Chuo Kikuu cha Texas huko Dallas wamefanya zana yao ya IOI ipatikane kwa wanasayansi wengine duniani kote ili itumike ili kuangalia kutopatana kati ya seti za data.[51][52][53][54][55]

Ushirikiano huu usiolipishwa ni sehemu ya mradi wa Large Synoptic Survey Telescope (LSST) unaoshughulikia kipimo cha hitilafu za kikosmolojia na athari za kutengwa, na matumizi yake kwa jiometri na ukuaji wa seti za sasa za data, kwa kutumia pia Ala ya Uangalizi wa Nishati ya Giza (DESI).[56][57][58][59]

Tazama pia[hariri | hariri chanzo]

Marejeo[hariri | hariri chanzo]

  1. ↑ Universe Expansion 'Detective Story' Examined with New Tool (July 19, 2018).
  2. ↑ Faculty Highlight: Mustapha Ishak-Boushaki | Department of Physics.
  3. ↑ Ishak-Boushaki, Mustapha (June 1, 2003). Studies in inhomogeneous cosmological models.
  4. ↑ Data discrepancies may affect understanding of the universe.
  5. ↑ Camber, Bruce (September 10, 2018). Ishak-Boushaki, Mustapha.
  6. ↑ Data Discrepancies May Affect Understanding of the Universe.
  7. ↑ https://www.ictp-saifr.org/wp-content/uploads/2020/12/Mustapha-Ishak-LAWOC-2020.pdf
  8. ↑ Lin, Weikang; Ishak, Mustapha (July 25, 2017). "Cosmological discordances: a new measure, marginalization effects, and application to geometry vs growth current data sets". Physical Review D 96 (2): 023532. doi:10.1103/PhysRevD.96.023532 . http://arxiv.org/abs/1705.05303.
  9. ↑ On Inconsistency Indices and Inconsistency Axioms in Pairwise Comparisons (2017).
  10. ↑ https://inside.tamuc.edu/academics/colleges/scienceEngineeringAgriculture/departments/physicsAstronomy/colloquiaSeminars/PDFs/ishaktalk.pdf
  11. ↑ Mustapha Ishak-Boushaki.
  12. ↑ Dallas, University of Texas at (November 15, 2020). Astrophysics Improve Gravitational Lensing Signals for More Accurate Cosmological Model of the Universe.
  13. ↑ Dark Energy Could be a Breakdown of Einstein's Theory (May 18, 2005).
  14. ↑ Colloquium - Mustapha Ishak-Boushaki | Department of Physics.
  15. ↑ 2018 Fall Physics Colloquium Series: Mustapha Ishak-Boushaki, Ph.D..
  16. ↑ https://utd-ir.tdl.org/bitstream/handle/10735.1/6393/ETD-5608-032-LIN-9413.13.pdf
  17. ↑ Kosarzycki, Radek (June 6, 2018). Rozbieżności w danych mogą znacząco wpłynąć na naszą wiedzę o wszechświecie.
  18. ↑ INSPIRE.
  19. ↑ New insight into Earth's crust, mantle and outer core interactions (October 29, 2018).
  20. ↑ INSPIRE.
  21. ↑ Ishak-Boushaki, M.; Garcia-Quintero, C. (January 1, 2021). "Testing deviations from general relativity at cosmological scales reveals a new dichotomy between Planck and lensing data". American Astronomical Society Meeting Abstracts 53 (1): 410.03. https://ui.adsabs.harvard.edu/abs/2021AAS...23741003I.
  22. ↑ Ishak-Boushaki, Mustapha.
  23. ↑ Repulsion Theory, Strepulsion Theory, Black Matter, Dark Energy, Black Hole, Astrophysics, Stellar Repulsion Force, Isaac Newton, Einstein Theory of Gravity, Astronomical Force, Gravitational Force, Mystery of Expanding Universe, Mystery of Thermonuclear Reaction, Solar Systems, Dark Matter, Neutron stars, Physics, Inertia, Galaxies, Bing Bang Theory, Space Time Curvature, Mystery of Black Hole and Neutron Stars, Cosmic Partial.
  24. ↑ http://www.as.utexas.edu/texascosmo/secure/ishak.pdf
  25. ↑ University of Texas at Dallas: Explorers of Space, Deep Earth Named AAAS Fellows for Stellar Work (February 28, 2022).
  26. ↑ http://www.ctc.cam.ac.uk/activities/cosmo2013/presentations/MustaphaIshak.pdf
  27. ↑ Boushaki, M. Ishak (2010). "2010AfrSk..14....9B Page 9". African Skies 14: 9. https://adsabs.harvard.edu/full/2010AfrSk..14....9B.
  28. ↑ Spaceflight Now | Breaking News | Scientists propose new way to probe dark energy.
  29. ↑ APS -2018 Joint Fall Meeting of the Texas Sections of APS, AAPT and Zone 13 of the SPS - Event - Using consistency tests between cosmological data sets to investigate gravity theory and cosmic acceleration. American Physical Society.
  30. ↑ Data discrepancies may affect understanding of the universe.
  31. ↑ https://phys.org/news/2014-06-lumpy-universe-cosmic.html
  32. ↑ Mustapha Ishak-Boushaki. Jalada kutoka ya awali juu ya 2022-05-31. Iliwekwa mnamo 2022-05-22.
  33. ↑ https://www.eurekalert.org/news-releases/578640
  34. ↑ https://www.universetoday.com/10530/dark-energy-could-be-a-breakdown-of-einsteins-theory/
  35. ↑ https://scitechdaily.com/astrophysics-improve-gravitational-lensing-signals-for-more-accurate-cosmological-model-of-the-universe/
  36. ↑ Ishak-Boushaki, Mustapha B.; Wijenayake, Tharake (2016). "Constraints from Cosmological Data on Expansion and Growth of Structure Observables in a Macroscopic Gravity Averaged Universe". American Astronomical Society Meeting Abstracts #228 228. https://ui.adsabs.harvard.edu/abs/2016AAS...22840303I.
  37. ↑ Ishak-Boushaki, Mustapha B. (2018). "Probing gravity theory and cosmic acceleration using (In)consistency tests between cosmological data sets". American Astronomical Society Meeting Abstracts #232 232. https://ui.adsabs.harvard.edu/abs/2018AAS...23210202I.
  38. ↑ https://www.sciencedaily.com/releases/2018/06/180605172455.htm
  39. ↑ https://baas.aas.org/pub/2021n1i350p07/release/1?readingCollection=27a4f9bb
  40. ↑ https://skyandtelescope.org/astronomy-news/dark-days-for-dark-energy/
  41. ↑ https://www.templeton.org/grant/investigating-the-effects-of-cosmic-inhomogeneities-on-precision-cosmology
  42. ↑ http://at.yorku.ca/c/b/o/a/09.htm
  43. ↑ https://meetings.aps.org/Meeting/TSF18/Session/C03.2
  44. ↑ https://www.ictp-saifr.org/wp-content/uploads/2020/12/Mustapha-Ishak-LAWOC-2020.pdf
  45. ↑ https://news.uchicago.edu/explainer/hubble-constant-explained
  46. ↑ https://www.centauri-dreams.org/2005/05/19/is-dark-energy-real/
  47. ↑ https://www.sciencedaily.com/releases/2020/10/201019164944.htm
  48. ↑ https://baas.aas.org/pub/2021n1i546p04/release/1?readingCollection=27a4f9bb
  49. ↑ https://www.nationalacademies.org/event/03-03-2022/committee-on-astronomy-and-astrophysics-roman-space-telescope-teleconference-2
  50. ↑ https://fr.gsusigmanu.org/6586-does-gravitational-lensing-provide-time-evolution-in.html
  51. ↑ https://www.eurekalert.org/news-releases/578640
  52. ↑ https://news.utdallas.edu/science-technology/data-discrepancies-may-affect-understanding-of-the/
  53. ↑ https://www.space.com/41210-clashing-observations-mysteries-universe-expansion.html
  54. ↑ https://gsusigmanu.org/2317-theoretically-could-the-expansion-of-the-universe-af.html
  55. ↑ https://phys.org/news/2018-06-discrepancies-affect-universe.html
  56. ↑ https://utd-ir.tdl.org/bitstream/handle/10735.1/6393/ETD-5608-032-LIN-9413.13.pdf
  57. ↑ https://indiaeducationdiary.in/university-of-texas-at-dallas-explorers-of-space-deep-earth-named-aaas-fellows-for-stellar-work/
  58. ↑ https://news.utdallas.edu/faculty-staff/aaas-fellows-2022/
  59. ↑ https://baas.aas.org/pub/2021n1i303p04/release/1?readingCollection=27a4f9bb


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