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  2. Boundary problem (spatial analysis) - Wikipedia

    en.wikipedia.org/wiki/Boundary_problem_(spatial...

    A boundary problem in analysis is a phenomenon in which geographical patterns are differentiated by the shape and arrangement of boundaries that are drawn for administrative or measurement purposes. The boundary problem occurs because of the loss of neighbors in analyses that depend on the values of the neighbors.

  3. List of territorial disputes - Wikipedia

    en.wikipedia.org/wiki/List_of_territorial_disputes

    The boundaries claimed by Egypt and Sudan both include the Hala'ib Triangle. The area of Bir Tawil close to the triangle is unclaimed by both countries. Ilemi Triangle Kenya South Sudan: De facto controlled by Kenya. Ethiopian tribes used and made raids in the land, but the Ethiopian government has never made a claim to it, agreeing it was ...

  4. Superimposition - Wikipedia

    en.wikipedia.org/wiki/Superimposition

    In graphics, superimposition is the placement of an image or video on top of an already-existing image or video, usually to add to the overall image effect, but also sometimes to conceal something (such as when a different face is superimposed over the original face in a photograph).

  5. Enclave and exclave - Wikipedia

    en.wikipedia.org/wiki/Enclave_and_exclave

    Enclaves that are not part of a larger territory are not exclaves, for example Lesotho (enclaved by South Africa), and San Marino and Vatican City and (both enclaved by Italy) are enclaved sovereign states. An exclave is a portion of a state or district geographically separated from the main part, by some surrounding alien territory. [3]

  6. Natural border - Wikipedia

    en.wikipedia.org/wiki/Natural_border

    One such example is the Rio Grande, which defines part of the border between the United States and Mexico, whose movement has led to multiple conflicts. Natural borders are not to be confused with landscape borders, which are also geographical features that demarcate political boundaries.

  7. Superposition principle - Wikipedia

    en.wikipedia.org/wiki/Superposition_principle

    A common type of boundary value problem is (to put it abstractly) finding a function y that satisfies some equation = with some boundary specification =. For example, in Laplace's equation with Dirichlet boundary conditions , F would be the Laplacian operator in a region R , G would be an operator that restricts y to the boundary of R , and z ...

  8. List of boundary cases of the United States Supreme Court

    en.wikipedia.org/wiki/List_of_boundary_cases_of...

    Case history; Prior: On appeal from the Circuit Court of the United States for the District of Kentucky: Holding; Where a river is said to be the boundary between two states, the boundary properly extended to the low water mark of the opposite shore and no higher; plaintiff's motion of ejectment based on title granted by the state of Kentucky was denied.

  9. Iraq–Syria border - Wikipedia

    en.wikipedia.org/wiki/Iraq–Syria_border

    Map of the Iraq-Syria border. The Iraqi–Syrian border is the border between Syria and Iraq and runs for a total length of 599 km (372 mi) across Upper Mesopotamia and the Syrian desert, from the tripoint with Jordan in the south-west to the tripoint with Turkey in the north-east.