Alpay, D.

1. The H^∞ functional calculus based on the S-spectrum for quaternionic operators and for n-tuples of noncommuting operators
   2015/11/24 by Alpay, D., Colombo, F., Qian, T. +1 · 2 citations
   #FOS: Mathematics #Functional Analysis (math.FA)
2. Matrix-J-unitary non-commutative rational formal power series
   2004/07/22 by D. Alpay, D. S. Kalyuzhnyi-Verbovetzkii, Alpay, D. +1 · 1 citation
   Mathematics · #13F25 #46C20 #46E22 #47A48 #93B20 #93D05 #Complex Variables (math.CV) #FOS: Mathematics #Functional Analysis (math.FA) #math.CV #math.FA #msc:13F25 #msc:46C20 #msc:46E22 #msc:47A48 #msc:93B20 #msc:93D05
3. The spectral theorem for unitary operators based on the S-spectrum
   2014/03/02 by Daniel Alpay, Alpay, D., Fabrizio Colombo +5 · 1 citation
   Mathematics · #Algebraic and Geometric Analysis #FOS: Mathematics #Functional Analysis (math.FA) #Holomorphic and Operator Theory #Mathematical Analysis and Transform Methods #Spectral Theory (math.SP)