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  2. Diffeomorphism - Wikipedia

    en.wikipedia.org/wiki/Diffeomorphism

    Testing whether a differentiable map is a diffeomorphism can be made locally under some mild restrictions. This is the Hadamard-Caccioppoli theorem: [1] If , are connected open subsets of such that is simply connected, a differentiable map : is a diffeomorphism if it is proper and if the differential: is bijective (and hence a linear isomorphism) at each point in .

  3. Large deformation diffeomorphic metric mapping - Wikipedia

    en.wikipedia.org/wiki/Large_deformation...

    Diffeomorphic mapping is the underlying technology for mapping and analyzing information measured in human anatomical coordinate systems which have been measured via Medical imaging [citation needed]. Diffeomorphic mapping is a broad term that actually refers to a number of different algorithms, processes, and methods.

  4. Local diffeomorphism - Wikipedia

    en.wikipedia.org/wiki/Local_diffeomorphism

    [2] It follows that a map f : X → Y {\displaystyle f:X\to Y} between two manifolds of equal dimension ( dim ⁡ X = dim ⁡ Y {\displaystyle \operatorname {dim} X=\operatorname {dim} Y} ) is a local diffeomorphism if and only if it is a smooth immersion (smooth local embedding), or equivalently, if and only if it is a smooth submersion .

  5. Supreme Court allows multibillion-dollar class action to ...

    www.aol.com/supreme-court-allows-multibillion...

    The Supreme Court is allowing a multibillion-dollar class action investors’ lawsuit to proceed against Facebook parent Meta, stemming from the privacy scandal involving the Cambridge Analytica ...

  6. Exotic R4 - Wikipedia

    en.wikipedia.org/wiki/Exotic_R4

    In mathematics, an exotic is a differentiable manifold that is homeomorphic (i.e. shape preserving) but not diffeomorphic (i.e. non smooth) to the Euclidean space. The first examples were found in 1982 by Michael Freedman and others, by using the contrast between Freedman's theorems about topological 4-manifolds, and Simon Donaldson's theorems about smooth 4-manifolds.

  7. Internet Download Manager - Wikipedia

    en.wikipedia.org/wiki/Internet_Download_Manager

    Internet Download Manager (IDM) is a commercial download manager software application for the Microsoft Windows operating system owned by American company Tonec, Inc. . IDM is a tool that assists with the management and scheduling of downloads.

  8. Man Who Killed Pregnant Wife and Dissolved Her Body in Acid ...

    www.aol.com/man-killed-pregnant-wife-dissolved...

    An Australian man who killed his pregnant wife and then put her body in a bath of acid has been sentenced to over 21 years in jail. On Thursday, Dec. 19, Meraj Zafar, 23, appeared via video link ...

  9. NCAA college football transfer portal: What is it, when it ...

    www.aol.com/ncaa-college-football-transfer...

    The NCAA college football transfer portal is days away from opening. Here is how it works and when it begins.