Abstract
This article extends the celebrated Sewing lemma, known from the theory of rough paths, to multi-parameter fields on hyper-cubes. We use this to construct Young integrals for multi-parameter Holder fields on general domains $$\left[ 0,T\right] ^{k}$$ with $$k\ge 1$$ taking values in $${\mathbb {R}}^{d}$$ . Moreover, we show existence, uniqueness and stability of some particular types of hyperbolic SPDEs driven by space-time Holder noise in a Young regime.
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