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math.FA2026
Projection Constants of Polynomial Spaces via Representation Theory
Andreas Defant, Daniel Galicer, Martín Mansilla +3
We develop a representation-theoretic framework for computing projection constants of finite-dimensional subspaces of , where is a compact homogeneous -space. Within t…
math.FA2026
Intrinsic Bohnenblust--Hille Inequalities for Local Qudit Systems
Andreas Defant, Daniel Galicer
We study dimension-free Bohnenblust--Hille inequalities for local operators on systems of -level qudits. For the operator space of support at most , uniformly over all tensor…
math.FA2026
Support-Sensitive Bohnenblust-Hille Inequalities and Local Invariants on Hamming Schemes
Andreas Defant, Daniel Galicer, Martín Mansilla +2
We investigate local invariants and geometric phenomena for polynomial spaces of low degree on the -ary Hamming scheme , where denotes the cyclic group of order …