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math.FA2024★ 1 cited
A Classification Theorem on Non-compact Embeddings between Besov Spaces
Chian Yeong Chuah, Jan Lang, Liding Yao
We analyze the embedding properties between Besov spaces, defined on the total space and on bounded domains. We give a complete classification on whether or not these…
math.FA2024★ 2 cited
Maximal noncompactness of limiting Sobolev embeddings
Jan Lang, Zdeněk Mihula, Luboš Pick
We develop a new method suitable for establishing lower bounds on the ball measure of noncompactness of operators acting between considerably general quasinormed function spaces. T…