Browsing 2026 by Author "aus dem Siepen, Elisabeth"

Now showing items 1-3 of 3

    • The 4-Sample Theorem on planar graphs 

      [SNAP-2026-005-EN] Améndola, Carlos; Kahle, Thomas (Mathematisches Forschungsinstitut Oberwolfach, 2026-04-10)
      The famous 4-Color Theorem from graph theory states that the vertices of any planar graph can be colored with four colors, so that no neighboring vertices have the same color. The 4-Sample Theorem from algebraic statistics ...

    • Alternating sign matrix bijections: marvelous, mysterious, missing 

      [SNAP-2026-003-EN] Striker, Jessica (Mathematisches Forschungsinstitut Oberwolfach, 2026-02-24)
      A bijection transforms one type of mathematical object into another. Such transformations provide new perspectives on these objects, revealing surprising properties and uncovering new mysteries. We discuss bijections from ...

    • Simulating Alzheimer's disease with a brainsphere model 

      [SNAP-2026-007-EN] Kunoth, Angela; Weller, Anna; Yilmaz, Tolunay (Mathematisches Forschungsinstitut Oberwolfach, 2026-06-09)
      Nowadays, there are different medical imaging techniques to collect data about the progression of Alzheimer's disease in a patient's brain. These data describe different phenomena which are still not understood from a ...