Person ::

Blatt, Prof. Dr. Hans-Peter

2024

• 

  

  Blatt, Hans-Peter:
  Near-Circularity in Capacity and Maximally Convergent Polynomials.
  In: Computational methods and function theory. (13. März 2024). - 22 S.
  ISSN 1617-9447 ; 2195-3724
  10.1007/s40315-024-00528-5
  (Peer-Review-Journal)

2019

• Grothmann, René ; Blatt, Hans-Peter:
  Interpolation characteristics of maximal polynomial approximants to rational functions.
  In: Annales Polonici mathematici. 123 (2019). - S. 155-168.
  ISSN 0066-2216 ; 1730-6272
  (Peer-Review-Journal)
• 

  

  Blatt, Hans-Peter ; Nguyen, Elitsa:
  Analytic properties of telescoping series derived from the zeros of the polynomial components.
  In: Dolomites research notes on approximation. 12 (2019). - S. 1-9.
  ISSN 2035-6803
  10.14658/pupj-drna-2019-Special_Issue-2
  (Peer-Review-Journal)

2015

• Blatt, Hans-Peter:
  Exact Maximal Convergence in Capacity and Zero Distribution of Rational Approximants.
  In: Computational methods and function theory. 15 (Dezember 2015) 4. - S. 605-633.
  ISSN 1617-9447 ; 2195-3724
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Maximally convergent rational approximants of meromrophic functions.
  In: Banach Center publications / Polish Academy of Sciences, Institute of Mathematics. 107 (2015). - S. 63-78.
  ISSN 0137-6934
  (Peer-Review-Journal)
• Blatt, Hans-Peter ; Kovacheva, Ralitza K.:
  Distribution of interpolation points of maximally convergent multipoint Padé approximants.
  In: Journal of approximation theory. 191 (2015). - S. 46-57.
  ISSN 0021-9045
  (Peer-Review-Journal)

2014

• Blatt, Hans-Peter:
  Convergence in capacity of rational approximants of meromorphic functions.
  In: Publications de l'Institut Mathématique / Nouvelle Série. 96 (2014) 110. - S. 31-39.
  ISSN 0350-1302
  (Peer-Review-Journal)

2013

• Blatt, Hans-Peter ; Fieger, Regina:
  Erdös-Turán-type discrepancy for the zeros of rational functions.
  In: Electronic notes in discrete mathematics. 43 (September 2013). - S. 401-409.
  ISSN 1571-0653
  (Peer-Review-Journal)

2012

• 

  Andrievskii, Vladimir V. ; Blatt, Hans-Peter ; Kovacheva, Ralitza K.:
  On the distribution of zeros and poles of rational approximants on intervals.
  In: Abstract and Applied Analysis : AAA. 2012 (2012).
  ISSN 1085-3375 ; 1687-0409
  (Peer-Review-Journal)

2011

• Andrievskii, Vladimir V. ; Blatt, Hans-Peter ; Fieger, Regina:
  On the distribution of zeros of monic polynomials with a given uniform norm on a quasidisk.
  In: Analysis : international mathematical journal of analysis and its applications. 31 (2011) 2. - S. 145-163.
  ISSN 0174-4747 ; 2196-6753
  (Peer-Review-Journal)
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  On the Distribution of Zeros of Faber Polynomials.
  In: Computational methods and function theory. 11 (2011) 1. - S. 263-282.
  ISSN 1617-9447 ; 2195-3724
  (Peer-Review-Journal)
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  On approximation of continuous functions by trigonomeric polynomials.
  In: Journal of approximation theory. 163 (2011). - S. 249-266.
  ISSN 0021-9045
  (Peer-Review-Journal)
• 

  Blatt, Hans-Peter ; Grothmann, René ; Kovacheva, Ralitza K.:
  Regions of meromorphy and value distribution of geometrically converging rational functions.
  In: Journal of mathematical analysis and applications. 382 (2011). - S. 66-76.
  ISSN 0022-247x ; 1096-0813
  (Peer-Review-Journal)
• Blatt, Hans-Peter ; Grothmann, René ; Kovacheva, Ralitza K.:
  Growth behavior and zero distribution of maximally convergent rational approximants.
  In: Neamtu, Marian ; Schumaker, Larry (Hrsg.): Approximation Theory XIII: San Antonio 2010. - New York : Springer, 2011. - (Springer Proceedings in Mathematics ; 13)
  ISBN 978-1-4614-0771-3

2010

• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  Polynomials with prescribed zeros on an analytic curve.
  In: Acta mathematica Hungarica. 128 (2010). - S. 221-238.
  ISSN 0001-5954 ; 0236-5294
  (Peer-Review-Journal)
• 

  Blatt, Hans-Peter ; Kovacheva, Ralitza K.:
  Growth behaviour and zero distribution of rational approximants.
  In: Constructive approximation. 34 (2010). - S. 393-420.
  ISSN 0176-4276 ; 1432-0940
  (Peer-Review-Journal)

2009

• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  Polynomial Approximation of Functions on a Quasi-Smooth Arc with Hermitian Interpolation.
  In: Constructive approximation. 30 (August 2009) 1. - S. 121-135.
  ISSN 0176-4276 ; 1432-0940
  (Peer-Review-Journal)
• Blatt, Hans-Peter ; Blatt, Simon ; Luh, Wolfgang:
  On a generalization of Jentzsch´s theorem.
  In: Journal of approximation theory. 159 (Juli 2009) 1. - S. 26-38.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  On Approximation by Entire Functions on an Unbounded Quasi-Smooth Curve.
  In: Computational methods and function theory. 9 (Februar 2009) 2. - S. 525-550.
  ISSN 1617-9447 ; 2195-3724
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  The impact of poles on the convergence of best rational approximants.
  In: Journal of contemporary mathematical analysis. 44 (2009) 4. - S. 243-251.
  ISSN 1068-3623
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Divergence of Rational Approximants to Non-Analytic Functions.
  In: Bakry, D. ; Beznea, L. ; Boboc, N. ; Rockner, M. (Hrsg.): Potential Theory and Stochastics in Albac : Aurel Cornea Memorial Volume ; conference proceedings, Albac, September 4-8, 2007. - Bucharest : Theta, 2009. - (Theta series in advanced mathematics ; 11)
  ISBN 973-87899-5-8

2006

• Blatt, Hans-Peter:
  The influence of poles on equioscillation in rational approximation.
  In: Ukrainian mathematical journal. 58 (2006) 2. - S. 3-11.
  ISSN 0041-5995
  (Peer-Review-Journal)
• Blatt, Hans-Peter ; Grothmann, René ; Kovacheva, Ralitza K.:
  Sign Changes in Rational L^1_w-approximation.
  In: Ukrainian mathematical journal. 58 (2006) 1. - S. 283-287.
  ISSN 0041-5995
  (Peer-Review-Journal)

2005

• Blatt, Hans-Peter:
  The interaction of alternation points and poles in rational approximation.
  In: Journal of computational and applied mathematics. 179 (2005). - S. 31-46.
  ISSN 0771-050x ; 0377-0427
  (Peer-Review-Journal)

2004

• Blatt, Hans-Peter ; Grothmann, René ; Kovacheva, Ralitza K.:
  Sequences with equi-distributed extreme points in uniform polynomial approximation.
  In: Journal of approximation theory. 126 (2004). - S. 157-170.
  ISSN 0021-9045
  (Peer-Review-Journal)

2003

• Analytical and Approximate Methods : International Conference at the Kyrgyz-Russian-Slavic University Bishkek, Kyrgyzstan, September 23-24, 2002.
  Hrsg.: Blatt, Hans-Peter ; Felix, Rainer ; Lelevkina, Liliya G. ; Sommer, Manfred
  Aachen : Shaker, 2003. - XI, 233 S.
  ISBN 3-8322-2147-6
• Blatt, Hans-Peter ; Grothmann, René ; Kovacheva, Ralitza K.:
  Poles and alternation points in real rational Chebyshev Approximation.
  In: Computational methods and function theory. 3 (2003). - S. 165-177.
  ISSN 1617-9447 ; 2195-3724
  (Peer-Review-Journal)
• Blatt, Hans-Peter ; Grothmann, René ; Kovacheva, Ralitza K.:
  Alternation Points in Rational Chebyshev Approximation.
  In: Bojanov, Borislav D. (Hrsg.): Constructive Theory of Functions : Varna 2002 ; International Conference on Constructive Theory of Functions which took place in Varna on June 19 - 23, 2002. - Sofia : DARBA, 2003. - S. 213-218
  ISBN 954-901266-2
• Blatt, Hans-Peter ; Grothmann, René ; Kovacheva, Ralitza K.:
  Discrepancy Estimates and Rational Chebyshev Approximation.
  In: Bojanov, Borislav D. (Hrsg.): Constructive Theory of Functions : Varna 2002 ; International Conference on Constructive Theory of Functions which took place in Varna on June 19 - 23, 2002. - Sofia : DARBA, 2003. - S. 219-224
  ISBN 954-901266-2
  (Begutachteter Beitrag / peer-reviewed paper)

2002

• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  Discrepancy of signed measures and polynomial approximation.
  New York : Springer, 2002. - 438 S. - (Springer Monographs in Mathematics)
  ISBN 0-387-98652-9
• Blatt, Hans-Peter ; Grothmann, René ; Kovacheva, Ralitza K.:
  On sign changes in weighted polynomial approximation.
  In: Acta mathematica Hungarica. 95 (2002). - S. 309-322.
  ISSN 0001-5954 ; 0236-5294
  (Peer-Review-Journal)
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  On L^p-discrepancy of signed measures.
  In: Constructive approximation. 18 (2002). - S. 19-36.
  ISSN 0176-4276 ; 1432-0940
  (Peer-Review-Journal)

2001

• Andrievskii, Vladimir V. ; Blatt, Hans-Peter ; Mhaskar, Hrushikesh N.:
  A local discrepancy theorem.
  In: Indagationes mathematicae / Koninklijke Nederlandse Akademie van Wetenschappen. 12 (2001) 1. - S. 23-39.
  ISSN 0019-3577 ; 1872-6100
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Orthogonal polynomials, potential theory and discrepancy theorems.
  In: Jain, Pawan K. (Hrsg.): Wavelets and Allied Topics. - Pangbourne : Alpha Science Int., 2001. - S. 291-327
  ISBN 1-84265-076-9

2000

• Blatt, Hans-Peter ; Götz, Mario:
  On the divergence phenomenon in Hermite-Fejér interpolation.
  In: Journal of approximation theory. 106 (2000) 2. - S. 276-286.
  ISSN 0021-9045
  (Peer-Review-Journal)

1999

• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  On zeros of near-best approximants.
  In: East journal on approximations. 5 (1999) 2. - S. 223-233.
  ISSN 1310-6236
  (Peer-Review-Journal)
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  Erdös-Turán type theorems on quasiconformal curves and arcs.
  In: Journal of approximation theory. 97 (1999) 2. - S. 334-365.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter ; Götz, Mario:
  Discrepancy estimates on the sphere.
  In: Monatshefte für Mathematik. 128 (1999) 3. - S. 179-188.
  ISSN 0026-9255 ; 1436-5081
  (Peer-Review-Journal)
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  Local discrepancy theorems for the distributions of zeros of polynomials.
  In: Priezzhev, V. B. (Hrsg.): Self-similar systems : Proceedings of the international workshop, Dubna, Russia, July 30-August 7, 1998. - Dubna : Joint Institute for Nuclear Research, 1999. - S. 282-288
  ISBN 5-85165-525-9

1998

• Blatt, Hans-Peter ; Mhaskar, Hrushikesh N.:
  Some discrepancy theorems in the theory of weighted polynomial approximation.
  In: Journal of mathematical analysis and applications. 219 (1998) 2. - S. 312-330.
  ISSN 0022-247x ; 1096-0813
  (Peer-Review-Journal)

1997

• Andrievskii, Vladimir V. ; Blatt, Hans-Peter ; Kovacheva, Ralitza K.:
  Approximation of an unbounded interval.
  In: Analysis : international mathematical journal of analysis and its applications. 17 (1997) 2/3. - S. 197-218.
  ISSN 0174-4747 ; 2196-6753
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  A discrepancy lemma for oscillating polynomials and sign changes of the error function of best approximants.
  In: Annals of numerical mathematics : journal edition. 4 (1997) 1/4. - S. 55-66.
  ISSN 1021-2655
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  A discrepancy theorem on quasiconformal curves.
  In: Constructive approximation. 13 (1997) 3. - S. 363-379.
  ISSN 0176-4276 ; 1432-0940
  (Peer-Review-Journal)
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  On the distribution of zeros of polynomials on an analytic curve.
  In: East journal on approximations. 3 (1997) 4. - S. 485-493.
  ISSN 1310-6236
  (Peer-Review-Journal)
• Andrievskii, Vladimir V. ; Blatt, Hans-Peter:
  Erdös-Turán-type theorems on piecewise smooth curves and arcs.
  In: Journal of approximation theory. 88 (1997) 1. - S. 109-134.
  ISSN 0021-9045
  (Peer-Review-Journal)

1995

• Blatt, Hans-Peter ; Mhaskar, Hrushikesh N.:
  A discrepancy theorem concerning polynomials of best approximation in $L^p_w [-1,1]$.
  In: Monatshefte für Mathematik. 120 (1995) 2. - S. 91-103.
  ISSN 0026-9255 ; 1436-5081
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  The distribution of sign changes of the error function in best $L^p$-approximation.
  In: Ali, Rosihan M. (Hrsg.): Computational methods and function theory 1994 : Proceedings of the conference, Penang, Malaysia, March 21-25, 1994. - Singapore : World Scientific Publishing Co., 1995. - S. 75-88. - (Series in Approximations and Decompositions ; 5)
  ISBN 981-02-2129-0
• Blatt, Hans-Peter:
  On discrepancy theorems with applications to approximation theory.
  In: Jakóbczak, Piotr (Hrsg.): Topics in complex analysis : Proceedings of the semester on complex analysis, held in autumn of 1992 at the International Banach Center in Warsaw, Poland. - Warschau : Institut of Mathematics, 1995. - S. 115-123. - (Banach Center publications ; 31)

1993

• Blatt, Hans-Peter ; Mhaskar, Hrushikesh N.:
  A general discrepancy theorem.
  In: Arkiv för matematik. 31 (1993) 2. - S. 219-246.
  ISSN 0004-2080
  (Peer-Review-Journal)

1992

• Blatt, Hans-Peter:
  On the distribution of simple zeros of polynomials.
  In: Journal of approximation theory. 69 (1992) 3. - S. 250-268.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Verteilung der Nullstellen von Polynomen auf Jordanbögen.
  In: Buchmann, Johannes ; Ganzinger, H. ; Paul, Wolfgang J. (Hrsg.): Informatik : Festschrift zum 60. Geburtstag von Günter Hotz. - Stuttgart : Teubner, 1992. - S. 55-67
  ISBN 3-8154-2033-4

1991

• Blatt, Hans-Peter ; Grothmann, René:
  Erdös-Turán theorems on a system of Jordan curves and arcs.
  In: Constructive approximation. 7 (1991) 1. - S. 19-47.
  ISSN 0176-4276 ; 1432-0940
  (Peer-Review-Journal)

1990

• Blatt, Hans-Peter:
  On the distribution of the points of Chebyshev alternation with applications to strong unicity constants.
  In: Acta mathematica Hungarica. 55 (1990) 1/2. - S. 75-82.
  ISSN 0001-5954 ; 0236-5294
  (Peer-Review-Journal)

1989

• Blatt, Hans-Peter ; Saff, Ed B. ; Totik, Vilmos:
  The distribution of extreme points in best complex polynomial approximation.
  In: Constructive approximation. 5 (1989) 3. - S. 357-370.
  ISSN 0176-4276 ; 1432-0940
  (Peer-Review-Journal)

1988

• 

  Blatt, Hans-Peter ; Saff, Ed B. ; Simkani, Mehrdad:
  Jentzsch-Szegö type theorems for the zeros of best approximants.
  In: The journal of the London Mathematical Society. 38 (1988) 2. - S. 307-316.
  ISSN 0024-6107
  10.1112/jlms/s2-38.2.307
  (Peer-Review-Journal)
• Blatt, Hans-Peter ; Lorentz, George G.:
  On a theorem of Kadec.
  In: Sendov, Blagovest Ch. (Hrsg.): Constructive Theory of Functions : proceedings of the International Conference on Constructive Theory of Functions ; Varna, May 24 - May 31, 1987. - Sofia : Publishing House of the Bulgarian Academy of Sciences, 1988. - S. 56-64

1987

• Blatt, Hans-Peter ; Iserles, Arieh ; Saff, Ed B.:
  Remarks on the behaviour of zeros of best approximating polynomials and rational functions.
  In: Mason, John C. ; Cox, Maurice G. (Hrsg.): Algorithms for approximation : based on the proceedings of the IMA Conference on Algorithms for the Approximation of Functions and Data held at the Royal Military College of Science, Shrivenham, July 1985. - Oxford : Clarendon Pr., 1987. - S. 437-445
  ISBN 0-198-53612-7

1986

• Blatt, Hans-Peter:
  Near circularity and zeros of the error function for Chebyshev approximation on a disk.
  In: Approximation theory and its applications : ATA. 2 (1986) 1. - S. 65-80.
  ISSN 1000-9221
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Lipschitz continuity and strong unicity in G. Freud's work.
  In: Journal of approximation theory. 46 (1986). - S. 25-31.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Blatt, Hans-Peter ; Saff, Ed B.:
  Behavior of zeros of polynomials of near best approximation.
  In: Journal of approximation theory. 46 (1986). - S. 323-344.
  ISSN 0021-9045
  (Peer-Review-Journal)

1985

• Blatt, Hans-Peter:
  Characterization of strong unicity in semi-infinite optimization by chain of references.
  In: Brosowski, Bruno (Hrsg.) : Parametric optimization and approximation : conference held at the Mathemat. Forschungsinst., Oberwolfach, Oct. 16 - 22, 1983. - Basel : Birkhäuser, 1985. - S. 36-46. - (Internationale Schriftenreihe Numerische Mathematik ; 72)
  ISBN 3-7643-1671-3
• Blatt, Hans-Peter ; Saff, Ed B.:
  Distribution of zeros of polynomial sequences, especially best approximations.
  In: Meinardus, Günter ; Nürnberger Günther (Hrsg.): Delay Equations, Approximation and Application : International Symposium at the University of Mannheim, October 8–11, 1984. - Basel u.a. : Birkhäuser, 1985. - S. 71-82
  ISBN 3-7643-1733-7

1984

• Blatt, Hans-Peter:
  On strong uniqueness in linear Chebyshev approximation.
  In: Journal of approximation theory. 41 (1984). - S. 159-169.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Exchange algorithms, error estimations and strong unicity in convex programming and Chebyshev approximation.
  In: Singh, Sankatha P. ; Burry, John H. ; Watson, B. (Hrsg.): Approximation Theory and Spline Functions : proceedings of the NATO Advanced Study Inst. on Approximation Theory and Spline Functions, St. John's, Newfoundland, Canada, Aug. 22 - Sept. 2, 1983. - Dordrecht [u.a] : Reidel, 1984. - S. 23-63. - (Series C: Mathematical and Physical Sciences ; 136)
  ISBN 90-277-1818-0

1983

• Blatt, Hans-Peter:
  Near circularity of the error curve and zeros of the error function for Chebyshev approximation on a disk.
  In: Chui, Charles K. ; Schumaker Larry L. ; Ward, Joseph D. (Hrsg.): Approximation Theory IV : proceedings of the International Symposium on Approximation Theory held at Texas A&M University, College Station, Texas, on January 10-14, 1983. - New York, NY : Academic Press, 1983. - S. 341-345
  ISBN 0-12-174580-5
• Blatt, Hans-Peter ; Kaiser, Uwe ; Ruffer-Beedgen, Beate:
  A multiple exchange algorithm in convex programming.
  In: Hiriart-Urruty, Jean-Baptiste ; Oettli, Werner ; Stoer, Josef (Hrsg.): Optimization : Theory and Algorithms. - New York u.a. : Dekker, 1983. - S. 113-130. - (Lecture notes in pure and applied mathematics ; 86)
  ISBN 0-8247-7019-6

1982

• Blatt, Hans-Peter:
  Strenge Eindeutigkeitskonstanten und Fehlerabschätzungen bei linearer Tschebyscheff-Approximation.
  In: Collatz, Lothar ; Meinardus Günter ; Werner, Helmut (Hrsg.): Numerische Methoden der Approximationstheorie Bd. 6 : Workshop on Numerical Methods of Approximation Theory, Oberwolfach, January 18 - 24, 1981. - Basel : Birkhäuser, 1982. - S. 9-25. - (International Series of Numerical Mathematics ; 59)
  ISBN 3-7643-1304-8

1981

• Blatt, Hans-Peter ; Nürnberger, Günther ; Sommer, Manfred:
  A characterization of pointwise-Lipschitz-continuous selections for the metric projection.
  In: Numerical functional analysis and optimization. 4 (1981). - S. 101-121.
  ISSN 0163-0563
  (Peer-Review-Journal)

1980

• Blatt, Hans-Peter ; Braess, Dietrich:
  Zur rationalen Approximation von $e^{-x}$ auf $[0,\infty]$.
  In: Journal of approximation theory. 30 (1980). - S. 169-172.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Blatt, Hans-Peter ; Nürnberger, Günther ; Sommer, Manfred:
  Pointwise-Lipschitz-continuous selections for the metric projection.
  In: Cheney, Elliot W. (Hrsg.): Approximation Theory III : proceedings of a Conference Honoring Professor George G. Lorentz, held at the University of Texas at Austin January 8 - 12, 1980. - New York : Academic Press, 1980. - S. 223-228
  ISBN 0-12-171050-5
• Blatt, Hans-Peter:
  Lipschitz-Stabilität von Optimierungs- und Approximationsaufgaben.
  In: Collatz, Lothar ; Meinardus, Günter ; Werner, H. (Hrsg.): Numerische Methoden der Approximationstheorie Vol. 5., Excerpts of the Conference on Numerical Methods of Approximation Theory : March 18 - 24, 1979 at the Mathematical Research Institute Oberwolfach, Black Forest. - Basel : Birkhäuser, 1980. - (International Series of Numerical Mathematics ; 52)
  ISBN 3-7643-1103-7
• Blatt, Hans-Peter:
  Geometric convergence of Chebyshev rational approximations on $[0,\infty]$.
  In: Sendov, Blagovest Ch. (Hrsg.): Konstruktivnaja teorija funkcij '77 : trudy Meždunarodnoj Konferencii po Konstruktivnoj Teorii Funkcij, Blagoevgrad, 30 maja - 6 ijunja 1977. - Sofia : Izdat. Bolgarskoj Akad. Nauk, 1980. - S. 245-247

1978

• Blatt, Hans-Peter:
  Ein hinreichendes Kriterium für geometrische Konvergenz rationaler Tschebyscheff-Approximationen auf $[0,\infty]$.
  In: Journal of approximation theory. 23 (1978). - S. 229-241.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Zur Anzahl der Interpolationspunkte polynomialer Tschebyscheff- Approximationen im Einheitskreis.
  In: Collatz Lothar ; Meinardus, Günter ; Werner, Helmut (Hrsg.): Numerische Methoden der Approximationstheorie. Band 4., Vortragsauszüge der Tagung über Numerische Methoden der Approximationstheorie vom 13. - 19. November 1977 im Mathematischen Forschungsinstitut Oberwolfach (Schwarzwald). - Basel : Birkhäuser, 1978. - S. 61-77. - (International series of numerical mathematics ; 42)
  ISBN 3-7643-1025-1
• Blatt, Hans-Peter:
  A general Remes algorithm in real or complex normed linear spaces.
  In: Handscomb David C. (Hrsg.): Multivariate approximation : symposium held at the University of Durham from July 21 to July 30, 1977. - London [u.a.] : Academic Press, 1978. - S. 145-153
  ISBN 0-12-323350-X

1977

• Blatt, Hans-Peter ; Herzfeld, Ute ; Klotz, Volker:
  Ein Approximationsproblem aus der Pharmakokinetik.
  In: Journal of approximation theory. 21 (1977). - S. 89-106.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Ein Störungssatz zur rationalen Tschebyscheff-Approximation über $[0,\infty ]$.
  In: Journal of approximation theory. 21 (1977). - S. 246-256.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Rationale Tschebyscheff-Approximation über unbeschränkten Intervallen.
  In: Numerische Mathematik. 27 (1977). - S. 179-190.
  ISSN 0029-599x
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Zur Stetigkeit rationaler T-Approximationen über unbeschränkten Intervallen.
  In: Numerische Mathematik. 27 (1977). - S. 191-202.
  ISSN 0029-599x
  (Peer-Review-Journal)

1976

• Blatt, Hans-Peter:
  Geometric convergence of rational functions to the reciprocal of exponential sums on $[0,\infty]$.
  In: Law, Allan G. ; Sahney, Badri N. (Hrsg.): Theory of Approximation : with Applications ; proceedings of a conference conducted by the University of Calgary and the University of Regina, at the University of Calgary, Alberta, Canada, August 11 - 13, 1975. - New York : Academic Press, 1976. - S. 111-119
  ISBN 0-12-438950-3
• Blatt, Hans-Peter:
  Rationale Approximierbarkeit singulärer Funktionen über $[0,\infty]$.
  In: Schaback, Robert ; Scherer, Karl (Hrsg.): Approximation Theory : Proceedings Of An International Colloquium Held At Bonn, Germany, June 8-11, 1976. - Heidelberg : Springer, 1976. - S. 1-15. - (Lecture notes in mathematics ; 556)
  ISBN 3-540-08001-5 ; 0-387-08001-5

1975

• Blatt, Hans-Peter:
  Stetigkeitseigenschaften von Optimierungsaufgaben und lineare Tschebyscheff-Approximation.
  In: Ciesielski, Zbigniew ; Musielak Julian (Hrsg.): Approximation Theory : proceedings of the Conference jointly organized by the Mathematical Institute of the Polish Academy of Sciences and the Institute of Mathematics of the Adam Mickiewicz University held in Poznan, 22 - 26 August, 1972. - Dordrecht : Reidel, 1975. - S. 33-48
  ISBN 90-277-0483-X

1974

• Blatt, Hans-Peter:
  Some remarks on an alternation theorem of Geiger.
  In: Journal of approximation theory. 11 (1974). - S. 338-342.
  ISSN 0021-9045
  (Peer-Review-Journal)

1973

• Blatt, Hans-Peter:
  Über rationale Tschebyscheff-Approximation mehrerer Funktionen.
  In: Journal of approximation theory. 9 (1973). - S. 126-148.
  ISSN 0021-9045
  (Peer-Review-Journal)
• Blatt, Hans-Peter:
  Nicht-lineare gleichmäßige Simultanapproximation.
  In: Journal of approximation theory. 8 (1973). - S. 210-248.
  ISSN 0021-9045
  (Peer-Review-Journal)