General Relativity2026-04-302 minarXiv:2604.28188expressThe Universe on a Rubber Band: Fractional GravityA rubber band stretched in different directions behaves differently from a whole sheet of paper. If you pull on an edge, the deformation does not spread evenly but seems to linger in certain spots.Iván Salvador-García·Gianluca CalcagniEinstein field equationsequivalence principleAlbert EinsteinBernhard RiemannJoseph Weberquantum gravityspacetime curvaturegravityspin foamgravitational singularity👍👎☆SimplePopularAdvanced