Volume 13, Issue 2 Merve İlkhan Emrah Evren Kara A New Banach Space Defined By Euler Totient Matrix Operator Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Merve İlkhan Emrah Evren Kara Find more articles with the same keywords Euler function Möbius function sequence spaces matrix operators compact operators Hausdorff measure of noncompactness Find more articles with the same subject classes 40C05 46A45 47B37 47B07