papers
Publications (17)
math.CA2009
Krein systems and canonical systems on a finite interval: accelerants with a jump discontinuity at the origin and continuous potentials
D. Alpay, I. Gohberg, M. A. Kaashoek +2
math.FA2001
Notes on interpolation in the generalized Schur class. II. Nudel'man's problem
D. Alpay, T. Constantinescu, A. Dijksma +1
math.CV2015
Adaptive orthonormal systems for matrix-valued functions
D. Alpay, F. Colombo, T. Qian +1
math.CV2018
Positive and generalized positive real lemma for slice hyperholomorphic functions
D. Alpay, F. Colombo, I. Lewkowicz +1
math.FA2015
The $H^\infty$ functional calculus based on the $S$-spectrum for quaternionic operators and for $n$-tuples of noncommuting operators
D. Alpay, F. Colombo, T. Qian +1
math.FA2007
The Schur transformation for Nevanlinna functions: operator representations, resolvent matrices, and orthogonal polynomials
D. Alpay, A. Dijksma, H. Langer
math.FA2013
Infinite product representations for kernels and iterations of functions
D. Alpay, P. Jorgensen, I. Lewkowicz +1
math.FA2005
Matrix-J-unitary non-commutative rational formal power series
D. Alpay, D. S. Kalyuzhnyi-Verbovetzkii
math.FA2003
Rational hyperholomorphic functions in (\mathbb R^4)
D. Alpay, M. Shapiro, D. Volok
math.CV2014
Boundary interpolation for slice hyperholomorphic Schur functions
K. Abu-Ghanem, D. Alpay, F. Colombo +2
math.PR2009
Linear State space theory in the white noise space setting
D. Alpay, D. Levanony, A. Pinhas
math.CA2009
Krein systems
D. Alpay, I. Gohberg, M. A. Kaashoek +2
math.FA2010
On the class SI of J-contractive functions intertwining solutions of linear differential equations
D. Alpay, A. Melnikov, V. Vinnikov
math.FA2014
An extension of Herglotz's theorem to the quaternions
D. Alpay, F. Colombo, D. P. Kimsey +1
math.OA2003
Spectral factorization in the non-stationary Wiener algebra
D. Alpay, H. Attia, S. Ben-Porat +1
math.SP2014
The spectral theorem for unitary operators based on the $S$-spectrum
D. Alpay, F. Colombo, D. P. Kimsey +1
math.FA2000
A note on interpolation in the generalized Schur class
D. Alpay, T. Constantinescu, A. Dijksma +1