Ukrainian Гіпотеза про захищеність хронології Cited by user Lxlalexlxl on 04 Apr 2024 Гіпотеза про захищеність хронології — гіпотеза, за якою закони фізики такі, щоб запобігти подорож у часі на всіх масштабах, крім субмікроскопічних.
Romanian Curbă de timp închisă Cited by user Terraflorin on 11 Feb 2024 În fizica matematică, o curbă de timp închisă (CTI) sau o curbă temporală închisă este o linie de univers într-o varietate lorentziană, a unei particule materiale în spați…
Spanish Homotopía Cited by user Uruk on 17 Dec 2022 En topología, y más precisamente en topología algebraica, dos aplicaciones continuas de un espacio topológico en otro se dicen homótopas (del griego homos = mismo y…
Chinese 时序保护猜想 Cited by user H2NCH2COOH on 28 May 2022 时序保护猜想(,又譯時序保護假說)是由物理學家史蒂芬·霍金提出的一个猜想,即标准廣義相對論之外的尚未知曉的物理定律不允許除微观尺度以外的任何时间旅行——哪怕广义相对论表明时间旅行在理论上是可能的(例如在可以超光速的情形下)。在数学上,廣義相對論的场方程的一些解中存在封閉類時曲線,表示时间旅行是可能的。时序保护假说与宇宙审查假说不同,宇宙审查…
Czech Uzavřená časupodobná křivka Cited by user Pavouk on 12 Jun 2019 V matematické fyzice je uzavřená časupodobná křivka (UČK) světočára v Lorentzově varietě, hmotné částečky v časoprostoru, který je “uzavřený” a vrací se do svého výchozího…
Portuguese Curva fechada de tipo tempo Cited by user LF Floyd on 23 Feb 2018 Em física matemática, uma curva fechada de tipo tempo (do inglês: closed timelike curve - CTC) é uma linha do universo em um distribuidor Lorentziano, de um material de…
English Homotopy Cited by user Quantum Knot on 19 Feb 2018 In practice, there are technical difficulties in using homotopies with certain spaces.
Russian Гипотеза о защищённости хронологии Cited by user A200b on 24 Jan 2018 Гипотеза о защищённости хронологии — гипотеза, согласно которой законы физики таковы, чтобы предотвратить путешествие во времени на всех масштабах, кроме субмикроскопическ…
English Causal loop Cited by user BrightRoundCircle on 29 Oct 2015 A causal loop is a paradox of time travel that occurs when a future event is the cause of a past event, which in turn is the cause of the future event.
Turkish Kapalı zamansı eğri Cited by user Horseonajetpilot on 19 Jan 2015 Kapalı zamansı eğri (KZE) matematiksel fizikte, “kapalı” uzayzamanda, başlangıç noktasına geri dönen bir parçacığın Lorentz manifoldundaki zaman çizgisidir (4 boyutlu…
English Timelike simply connected Cited by user Samatict on 25 Aug 2014 Suppose a Lorentzian manifold contains a closed timelike curve (CTC). No CTC can be continuously deformed as a CTC (is timelike homotopic) to a point, as that point…
English Chronology protection conjecture Cited by user Samatict on 25 Aug 2014 The chronology protection conjecture is a conjecture by physicist Stephen Hawking that the laws of physics are such as to prevent time travel on all but submicroscopic…
Russian Замкнутая времениподобная кривая Cited by user Ghuron on 11 Mar 2011 За́мкнутая времениподо́бная ли́ния или за́мкнутая времениподо́бная крива́я (, CTC) в математической физике — времениподо́бная кривая на Лоренцевом многообразии, возвращающ…
English Closed timelike curve Cited by user Citation bot 1 on 11 Aug 2010 In mathematical physics, a closed timelike curve (CTC) is a world line in a Lorentzian manifold, of a material particle in spacetime that is "closed", returning to its…