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Showing 1 to 1 of 1 for “"relative Gromov seminorm"”.
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Computations and lower bounds for scl and the relative Gromov seminorm
… is that of surface groups. We introduce the relative Gromov seminorm, a new invariant that serves as an intermediate step in computations of scl. We show that several results about scl in free groups generalise to the relative Gromov seminorm in surface groups. We explain how bounded …