All Stories

  1. Impulsive Hahn--Sturm--Liouville equations

    Article • TURKISH JOURNAL OF MATHEMATICS, July 2026, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Hüseyin Tuna

  2. Titchmarsh-Weyl theory for impulsive Hahn-Dirac systems

    Article • Carpathian Mathematical Publications, June 2026, Vasyl Stefanyk Precarpathian National University

    Hüseyin Tuna

  3. Trace formula for fractal Sturm–Liouville problems

    Article • Boletín de la Sociedad Matemática Mexicana, June 2026, Springer Science + Business Media

    Hüseyin Tuna

  4. Sampling theory associated with discrete Dirac equations

    Article • Sampling Theory Signal Processing and Data Analysis, May 2026, Springer Science + Business Media

    Hüseyin Tuna

  5. Sampling Theory Associated With Fractal Sturm–Liouville Equations

    Article • Mathematical Methods in the Applied Sciences, March 2026, Wiley

    Hüseyin Tuna

  6. Weyl’s Classification of Singular Impulsive q -Sturm-Liouville Equations

    Article • Tatra Mountains Mathematical Publications, December 2025, De Gruyter

    Hüseyin Tuna

  7. ON THE SQUARE-INTEGRABLE SOLUTIONS OF SINGULAR IMPULSIVE DYNAMIC STURM-LIOUVILLE EQUATIONS

    Article • Facta Universitatis Series Mathematics and Informatics, November 2025, University of Nis

    Hüseyin Tuna

  8. A novel q-GM (1,1) modeling with application to greenhouse gas emissions

    Article • Grey Systems Theory and Application, September 2025, Emerald

    Hüseyin Tuna

  9. Discrete Sturm–Liouville problems with transmission conditions

    Article • Afrika Matematika, August 2025, Springer Science + Business Media

    Hüseyin Tuna

  10. Dissipative fractal Dirac equations

    Article • Asian-European Journal of Mathematics, August 2025, World Scientific Pub Co Pte Lt

    Hüseyin Tuna

  11. Regular conformable fractional Dirac systems with impulsive boundary conditions

    Article • Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, June 2025, Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics

    Hüseyin Tuna

  12. Discrete Dirac equations

    Article • TURKISH JOURNAL OF MATHEMATICS, May 2025, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Hüseyin Tuna

  13. Fractal Self‐Adjoint Higher Order Boundary‐Value Problems

    Article • Mathematical Methods in the Applied Sciences, May 2025, Wiley

    Hüseyin Tuna

  14. Fractal Sturm–Liouville Theory

    Article • Fractal and Fractional, April 2025, MDPI AG

    Hüseyin Tuna, Prof Alireza Khalili Golmankhaneh

  15. Existence Problem for Impulsive Nonlinear Sturm-Liouville Problems on the Whole Line

    Article • Iranian Journal of Mathematical Sciences and Informatics, April 2025, Apex Publishing

    Hüseyin Tuna

  16. Eigenfunction Expansions for Singular Impulsive Dynamic Dirac Systems

    Article • Iranian Journal of Science, February 2025, Springer Science + Business Media

    Hüseyin Tuna

  17. Regular fractal Dirac systems

    Article • International Journal of Geometric Methods in Modern Physics, January 2025, World Scientific Pub Co Pte Lt

    Hüseyin Tuna, Prof Alireza Khalili Golmankhaneh

  18. NONLINEAR IMPULSIVE SINGULAR q-STURM–LIOUVILLE PROBLEMS

    Article • January 2025, Trade Unions Republican Commiittee of Azerbaijan Water Economy Workers

    Hüseyin Tuna

  19. On the spectrum of singular q-Sturm-Liouville operators on the whole axis

    Article • Publications de l Institut Mathematique, January 2025, National Library of Serbia

    Hüseyin Tuna

  20. Weyl’s classification of singular impulsive Hahn–Sturm–Liouville equations

    Article • Miskolc Mathematical Notes, January 2025, Mathematical Notes

    Hüseyin Tuna

  21. Impulsive Fractal Sturm–Liouville Equations

    Article • January 2025, Springer Science + Business Media

    Hüseyin Tuna

  22. One dimensional beta Dirac system

    Article • Filomat, January 2025, National Library of Serbia

    Hüseyin Tuna

  23. SPECTRAL EXPANSION FOR SINGULAR BETA STURM-LIOUVILLE PROBLEMS

    Article • Ural mathematical journal, December 2024, Ural Federal University

    Hüseyin Tuna

  24. The resolvent of impulsive dynamic singular Sturm–Liouville operators

    Article • Afrika Matematika, July 2024, Springer Science + Business Media

    Hüseyin Tuna

  25. Eigenfunction expansion for impulsive singular Hahn–Dirac system

    Article • Rendiconti del Circolo Matematico di Palermo Series 2, April 2024, Springer Science + Business Media

    Hüseyin Tuna

  26. Теорема существования фрактальной задачи Штурма - Лиувилля

    Article • Владикавказский математический журнал, March 2024, Vladikavkaz Scientific Centre of the Russian Academy of Sciences

    Hüseyin Tuna

  27. A REPRESENTATION FORMULA FOR THE RESOLVENT OF CONFORMABLE FRACTIONAL STURM-LIOUVILLE OPERATOR

    Article • Facta Universitatis Series Mathematics and Informatics, March 2024, University of Nis

    Hüseyin Tuna

  28. The Resolvent of Impulsive Singular Hahn–Sturm–Liouville Operators

    Article • Annales Mathematicae Silesianae, January 2024, De Gruyter

    Hüseyin Tuna

  29. Impulsive q-Sturm-Liouville problems

    Article • Applicable Analysis and Discrete Mathematics, January 2024, National Library of Serbia

    Hüseyin Tuna

  30. Spectral Expansion for Conformable Fractional Sturm- Liouville Problem on the Whole Line

    Article • Kragujevac Journal of Mathematics, January 2024, University Library in Kragujevac

    Hüseyin Tuna

  31. Nonlinear impulsive Hahn — Sturm — Liouville problems on the whole line

    Article • Vestnik of Saint Petersburg University Applied Mathematics Computer Science Control Processes, January 2024, Saint Petersburg State University

    Hüseyin Tuna

  32. Spectral expansion for impulsive dynamic Sturm-Liouville problems on the whole line

    Article • Filomat, January 2024, National Library of Serbia

    Hüseyin Tuna

  33. Nonlinear fourth-order dynamic equations on unbounded time scales

    Article • Mathematica, November 2023, Babes-Bolyai University

    Hüseyin Tuna

  34. Fractional Dirac system with impulsive conditions

    Article • Chaos Solitons & Fractals, November 2023, Elsevier

    Hüseyin Tuna

  35. Impulsive Dirac System on Time Scales

    Article • Ukrainian Mathematical Journal, November 2023, Springer Science + Business Media

    Hüseyin Tuna

  36. Impulsive regular q-Dirac systems

    Article • Electronic Journal of Differential Equations, October 2023, Texas State University

    Hüseyin Tuna, Hamlet Isayev

  37. Titchmarsh–Weyl theory for impulsive q-Dirac equation

    Article • International Journal of Geometric Methods in Modern Physics, October 2023, World Scientific Pub Co Pte Lt

    Hüseyin Tuna

  38. Fractional Dirac systems with Mittag-Leffler kernel

    Article • Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, September 2023, Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics

    Hüseyin Tuna

  39. Existence results for impulsive dynamic singular nonlinear Sturm-Liouville equations on infinite intervals

    Article • TURKISH JOURNAL OF MATHEMATICS, September 2023, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Hüseyin Tuna

  40. Titchmarsh–Weyl Theory for Impulsive Dynamic Dirac System

    Article • Qualitative Theory of Dynamical Systems, August 2023, Springer Science + Business Media

    Hüseyin Tuna

  41. Impulsive Dirac system on time scales

    Article • Ukrains’kyi Matematychnyi Zhurnal, June 2023, SIGMA (Symmetry, Integrability and Geometry: Methods and Application)

    Hüseyin Tuna

  42. Nonlinear singular Hahn-Sturm-Liouville problems on [ω_0, ∞)

    Article • Gulf Journal of Mathematics, January 2023, Gulf Journal of Mathematics

    Hüseyin Tuna

  43. Hahn-Hamiltonian systems

    Article • TURKISH JOURNAL OF MATHEMATICS, January 2023, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Hüseyin Tuna

  44. Β-Dirac systems

    Article • Filomat, January 2023, National Library of Serbia

    Hüseyin Tuna

  45. IMPULSIVE STURM-LIOUVILLE PROBLEMS ON TIME SCALES

    Article • Facta Universitatis Series Mathematics and Informatics, September 2022, University of Nis

    Hüseyin Tuna

  46. On the spectrum of singular Hahn-Sturm-Liouville operators

    Article • Advanced Studies Euro-Tbilisi Mathematical Journal, September 2022, Tbilisi Centre for Mathematical Sciences

    Hüseyin Tuna

  47. Conformable fractional dynamic dirac system

    Article • ANNALI DELL UNIVERSITA DI FERRARA, June 2022, Springer Science + Business Media

    Hüseyin Tuna

  48. A completeness theorem for dissipative conformable fractional Sturm-Liouville operator in singular case

    Article • Filomat, January 2022, National Library of Serbia

    Hüseyin Tuna

  49. DISCONTINUOUS MATRIX STURM–LIOUVILLE PROBLEMS

    Article • Eurasian Mathematical Journal, January 2022, L. N. Gumilyov Eurasian National University

    Hüseyin Tuna

  50. Discontinuous linear Hamiltonian systems

    Article • Filomat, January 2022, National Library of Serbia

    Hüseyin Tuna

  51. SINGULAR DISCONTINUOUS HAMILTONIAN SYSTEMS

    Article • Journal of Applied Analysis & Computation, January 2022, Wilmington Scientific Publisher, LLC

    Hüseyin Tuna

  52. Singular Hahn - Hamiltonian systems

    Article • Ufimskii Matematicheskii Zhurnal, January 2022, Ufa State Aviation Technical University

    Hüseyin Tuna

  53. On the resolvent of singular q-Sturm-Liouville operators

    Article • Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics, December 2021, Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics

    Hüseyin Tuna

  54. Spectral analysis of Hahn-Dirac system

    Article • Proyecciones (Antofagasta), December 2021, Universidad Catolica del Norte - Chile

    Hüseyin Tuna

  55. Conformable fractional Sturm–Liouville problems on time scales

    Article • Mathematical Methods in the Applied Sciences, November 2021, Wiley

    Hüseyin Tuna

  56. REGULAR FRACTIONAL DIRAC TYPE SYSTEMS

    Article • Facta Universitatis Series Mathematics and Informatics, October 2021, University of Nis

    Hüseyin Tuna

  57. Теория Титчмарша - Вейля сингулярного уравнения Хана - Штурма - Лиувилля

    Article • Владикавказский математический журнал, September 2021, Vladikavkaz Scientific Centre of the Russian Academy of Sciences

    Hüseyin Tuna

  58. On square integrable solutions of a Hahn–Dirac system

    Article • Rendiconti del Circolo Matematico di Palermo Series 2, August 2021, Springer Science + Business Media

    Hüseyin Tuna

  59. Extensions of the matrix-valued q−Sturm–Liouville operators

    Article • TURKISH JOURNAL OF MATHEMATICS, May 2021, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Hüseyin Tuna

  60. Remarks on the Limit-Circle Classification of Conformable Fractional Sturm-Liouville Operators

    Article • January 2021, Springer Science + Business Media

    Hüseyin Tuna

  61. q−Hamiltonian systems

    Article • TURKISH JOURNAL OF MATHEMATICS, November 2020, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Hüseyin Tuna

  62. Dissipative Dirac Operator with General Boundary Conditions on Time Scales

    Article • Ukrainian Mathematical Journal, October 2020, Springer Science + Business Media

    Hüseyin Tuna

  63. Spectral Theory of Singular Hahn Difference Equation of the Sturm-Liouville Type

    Article • Communications in Mathematics, June 2020, De Gruyter

    Hüseyin Tuna

  64. On the resolvent of singular Sturm‐Liouville operators with transmission conditions

    Article • Mathematical Methods in the Applied Sciences, January 2020, Wiley

    Hüseyin Tuna

  65. Properties of the resolvent of singular q-Dirac operators

    Article • Electronic Journal of Differential Equations, January 2020, Texas State University

    Hüseyin Tuna

  66. q-fractional Dirac type systems

    Article • Rad Hrvatske akademije znanosti i umjetnosti Matematičke znanosti, January 2020, Croatian Academy of Sciences and Arts

    Hüseyin Tuna

  67. Existence of solutions for nonlinear singular $q$-Sturm - Liouville problems

    Article • Ufimskii Matematicheskii Zhurnal, January 2020, Institue of Mathematics, USC RAS

    Hüseyin Tuna

  68. Spectral expansion for singular conformable fractional Dirac systems

    Article • Rendiconti del Circolo Matematico di Palermo Series 2, December 2019, Springer Science + Business Media

    Hüseyin Tuna

  69. The resolvent operator of singular conformable fractional Dirac system

    Article • Gulf Journal of Mathematics, September 2019, Gulf Journal of Mathematics

    Hüseyin Tuna

  70. A Representation of the Resolvent Operator of Singular Hahn-Sturm-Liouville Problem

    Article • Numerical Functional Analysis and Optimization, September 2019, Taylor & Francis

    Hüseyin Tuna

  71. On Expansion in Eigenfunction for Dirac Systems on the Unbounded Time Scales

    Article • Differential Equations and Dynamical Systems, August 2019, Springer Science + Business Media

    Hüseyin Tuna

  72. Investigation of the spectrum of singular Sturm–Liouville operators on unbounded time scales

    Article • São Paulo Journal of Mathematical Sciences, June 2019, Springer Science + Business Media

    Hüseyin Tuna

  73. Titchmarsh–Weyl theory for q-Dirac systems

    Article • Infinite Dimensional Analysis Quantum Probability and Related Topics, June 2019, World Scientific Pub Co Pte Lt

    Hüseyin Tuna

  74. The spectral expansion for the Hahn–Dirac system on the whole line

    Article • TURKISH JOURNAL OF MATHEMATICS, May 2019, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Hüseyin Tuna

  75. Some properties of the resolvent of Sturm-Liouville operators on unbounded time scales

    Article • Mathematica, April 2019, Babes-Bolyai University

    Hüseyin Tuna

  76. One-dimensional conformable fractional Dirac system

    Article • Boletín de la Sociedad Matemática Mexicana, April 2019, Springer Science + Business Media

    Hüseyin Tuna

  77. Conformable fractional Sturm‐Liouville equation

    Article • Mathematical Methods in the Applied Sciences, March 2019, Wiley

    Hüseyin Tuna

  78. Qualitative Spectral Analysis of Singular q-Sturm–Liouville Operators

    Article • Bulletin of the Malaysian Mathematical Sciences Society, March 2019, Springer Science + Business Media

    Hüseyin Tuna

  79. INDICES DEFECT THEORY OF SINGULAR HAHN-STURM-LIOUVILLE OPERATORS

    Article • Journal of Applied Analysis & Computation, January 2019, Wilmington Scientific Publisher, LLC

    Hüseyin Tuna

  80. Resolvent operator of singular Dirac system with transmission conditions

    Article • January 2019, Croatian Academy of Sciences and Arts

    Hüseyin Tuna

  81. Limit-point criteria for q-Sturm-Liouville equations

    Article • Quaestiones Mathematicae, September 2018, Taylor & Francis

    Hüseyin Tuna

  82. Spectral expansion for the singular Dirac system with impulsive conditions

    Article • TURKISH JOURNAL OF MATHEMATICS, September 2018, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Hüseyin Tuna

  83. Spectral analysis of singular Sturm-Liouville operators on time scales

    Article • Annales Universitatis Mariae Curie-Sklodowska sectio A – Mathematica, June 2018, Wydawnictwo Uniwersyteu Marii Curi-Sklodowskiej w Lublinie

    Hüseyin Tuna

  84. Titchmarsh–Weyl Theory for Dirac Systems with Transmission Conditions

    Article • Mediterranean Journal of Mathematics, June 2018, Springer Science + Business Media

    Hüseyin Tuna

  85. An expansion theorem for q -Sturm-Liouville operators on the whole line

    Article • TURKISH JOURNAL OF MATHEMATICS, May 2018, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Hüseyin Tuna

  86. On extensions of singular fourth order dynamic operators on time scales

    Article • Filomat, January 2018, National Library of Serbia

    Hüseyin Tuna

  87. Dissipative q-Dirac operator with general boundary conditions

    Article • Quaestiones Mathematicae, September 2017, Taylor & Francis

    Hüseyin Tuna

  88. One-dimensional q -Dirac equation

    Article • Mathematical Methods in the Applied Sciences, August 2017, Wiley

    Hüseyin Tuna

  89. Spectral analysis of dissipative fractional Sturm–Liouville operators

    Article • Georgian Mathematical Journal, January 2017, De Gruyter

    Hüseyin Tuna

  90. On the completeness of eigenfunctions of a discontinuous Dirac operator with an eigenparameter in the boundary condition

    Article • Filomat, January 2017, National Library of Serbia

    Hüseyin Tuna

  91. Livšic’s theorem for q-Sturm—Liouville operators

    Article • Studia Scientiarum Mathematicarum Hungarica, December 2016, Akademiai Kiado

    Hüseyin Tuna

  92. Completeness theorem for the dissipative Sturm-Liouville operator on bounded time scales

    Article • Indian Journal of Pure and Applied Mathematics, June 2016, Springer Science + Business Media

    Hüseyin Tuna

  93. The one-dimensional Schrödinger operator on bounded time scales

    Article • Mathematical Methods in the Applied Sciences, May 2016, Wiley

    Hüseyin Tuna

  94. Spectral theory of dissipativeq-Sturm-Liouville problems

    Article • Studia Scientiarum Mathematicarum Hungarica, September 2014, Akademiai Kiado

    Hüseyin Tuna

  95. Completeness of the rootvectors of a dissipative Sturm–Liouville operators on time scales

    Article • Applied Mathematics and Computation, February 2014, Elsevier

    Hüseyin Tuna

  96. Lim-3 Durumundaki 4. Mertebe Operatörlerin Dissipatif Genişlemeleri

    Article • Nevşehir Bilim ve Teknoloji Dergisi, January 2014, Nevsehir Bilim ve Teknoloji Dergisi

    Hüseyin Tuna

  97. Completeness Theorem for Discontinuous Dirac Systems

    Article • Differential Equations and Dynamical Systems, December 2013, Springer Science + Business Media

    Hüseyin Tuna

  98. On spectral properties of dissipative fourth order boundary-value problem with a spectral parameter in the boundary condition

    Article • Applied Mathematics and Computation, May 2013, Elsevier

    Hüseyin Tuna

  99. Functional Model of Dissipative Fourth Order Differential Operators

    Article • Analele ştiinţifice ale Universităţii "Ovidius" Constanţa Seria Matematică, January 2013, De Gruyter

    Hüseyin Tuna

  100. Dissipative Sturm-Liouville Operators with Transmission Conditions

    Article • Abstract and Applied Analysis, January 2013, Hindawi Publishing Corporation

    Hüseyin Tuna

  101. On some applications of Duhamel product

    Article • Linear and Multilinear Algebra, July 2006, Taylor & Francis

    Hüseyin Tuna