Bi-infinitary codes. - Do Long Van; D. Gnanaraj Thomas; K. G. Subramanian 001; Rani Siromoney (RAIRO Theor. Informatics Appl., 1990)

Thue Systems and DNA - A Learning Algorithm for a Subclass. - Rani Siromoney; D. Gnanaraj Thomas; K. G. Subramanian 001; V. Rajkumar Dare (ALT, 1993)

Learning code regular and code linear languages. - J. D. Emerald; K. G. Subramanian 001; D. Gnanaraj Thomas (ICGI, 1996)

Learning a Subclass of Context-Free Languages. - J. D. Emerald; K. G. Subramanian 001; D. Gnanaraj Thomas (ICGI, 1998)

A Note on Inferring Uniquely Terminating Code Languages. - J. D. Emerald; K. G. Subramanian 001; D. Gnanaraj Thomas (Inf. Process. Lett., 1999)

Some results on picture languages. - Rani Siromoney; K. G. Subramanian 001; V. Rajkumar Dare; D. Gnanaraj Thomas (Pattern Recognit., 1999)

Inferring Subclasses of Contextual Languages. - J. D. Emerald; K. G. Subramanian 001; D. Gnanaraj Thomas (ICGI, 2000)

Infinite Arrays and Recognizability. - V. Rajkumar Dare; K. G. Subramanian 001; D. Gnanaraj Thomas; Rani Siromoney; B. Le Saec (Int. J. Pattern Recognit. Artif. Intell., 2000)

A Note on Graph Splicing Languages. - N. Gnanamalar David; K. G. Subramanian 001; D. Gnanaraj Thomas (DNA, 2001)

A note on parallel splicing on images. - P. Helen Chandra; K. G. Subramanian 001; D. Gnanaraj Thomas; Do Long Van (IWCIA, 2001)

Algebraic properties of the shuffle over omega-trajectories. - Ahmad Kadrie; V. Rajkumar Dare; D. Gnanaraj Thomas; K. G. Subramanian 001 (Inf. Process. Lett., 2001)

Basic Puzzle Grammars and Generation of Polygons. - K. G. Subramanian 001; D. Gnanaraj Thomas; P. Helen Chandra; Maia Hoeberechts (J. Autom. Lang. Comb., 2001)

Learning of Regular Bi-omega Languages. - D. Gnanaraj Thomas; M. Humrosia Begam; K. G. Subramanian 001; S. Gnanasekaran (ICGI, 2002)

Tree Replacement and Public Key Cryptosystem. - S. C. Samuel; D. Gnanaraj Thomas; P. J. Abisha; K. G. Subramanian 001 (INDOCRYPT, 2002)

Public Key Cryptosystems Based on Free Partially Commutative Monoids and Groups. - P. J. Abisha; D. Gnanaraj Thomas; K. G. Subramanian 001 (INDOCRYPT, 2003)

Using Transitive-Closure Logic for Deciding Linear Properties of Monoids. - Christian Delhommé; Teodor Knapik; D. Gnanaraj Thomas (MFCS, 2003)

Parallel Contextual Array Grammars and Languages. - P. Helen Chandra; K. G. Subramanian 001; D. Gnanaraj Thomas (Electron. Notes Discret. Math., 2003)

Local and Recognizable Iso Picture Languages. - T. Kalyani; V. Rajkumar Dare; D. Gnanaraj Thomas (ICONIP, 2004)

Parallel Splicing On Images. - P. Helen Chandra; K. G. Subramanian 001; D. Gnanaraj Thomas (Int. J. Pattern Recognit. Artif. Intell., 2004)

Circular Languages and Learning Algorithms. - D. Gnanaraj Thomas; V. Rajkumar Dare; T. Robinson 001; M. Humrosia Begam (IICAI, 2005)

Iso-array Acceptors and Learning. - T. Kalyani; V. Rajkumar Dare; D. Gnanaraj Thomas; T. Robinson 001 (ICGI, 2006)

Hexagonal Array Acceptors and Learning. - D. Gnanaraj Thomas; M. Humrosia Begam; N. Gnanamalar David; Colin de la Higuera (Formal Models, Languages and Applications, 2007)

Pattern Generation and Stochastic Table Hexagonal Grammars. - D. Gnanaraj Thomas; S. C. Samuel; P. J. Abisha (IICAI, 2007)

Learning of Partial Languages. - K. Sasikala; V. Rajkumar Dare; D. Gnanaraj Thomas (Eng. Lett., 2007)

Learning Subclasses of Pure Pattern Languages. - P. J. Abisha; D. Gnanaraj Thomas; Sindhu J. Kumaar (ICGI, 2008)

Learning of Regular omega-Tree Languages. - M. Jayasrirani; M. Humrosia Begam; D. Gnanaraj Thomas (ICGI, 2008)

Inference of Uniquely Terminating EML. - S. Kannamma; D. Gnanaraj Thomas; K. Rangarajan (ICGI, 2008)

Collage of Hexagonal Arrays. - F. Sweety; D. Gnanaraj Thomas; T. Kalyani (ISVC (2), 2008)

Results on Hexagonal Tile Rewriting Grammars. - D. Gnanaraj Thomas; F. Sweety; T. Kalyani (ISVC (1), 2008)

Rewriting PSystems Generating Iso-picture Languages. - S. Annadurai; D. Gnanaraj Thomas; V. Rajkumar Dare; T. Kalyani (IWCIA, 2008)

3-Dimensional Rectangular Array Acceptors and Learning. - Durairaj Gnanaraj Thomas; F. Sweety; V. Rajkumar Dare; T. Kalyani (IWCIA Special Track on Applications, 2008)

On the Combinatorics of Triangular Arrays. - S. Annadurai; V. Rajkumar Dare; T. Kalyani; D. Gnanaraj Thomas (IICAI, 2009)

Recognizability of Polyhexes by Tiling and Wang Systems. - H. Geetha; D. Gnanaraj Thomas; T. Kalyani; T. Robinson 001 (ISVC (2), 2009)

Parallel Contextual Hexagonal Array Grammars and Languages. - D. Gnanaraj Thomas; M. Humrosia Begam; N. Gnanamalar David (IWCIA, 2009)

t-communicating iso-array P System. - S. Annadurai; T. Kalyani; V. Rajkumar Dare; D. Gnanaraj Thomas (NaBIC, 2009)

Recognizability of iso-picture languages by Wang systems. - T. Kalyani; V. Rajkumar Dare; D. Gnanaraj Thomas (Int. J. Imaging Syst. Technol., 2009)

Parallel splicing on iso-arrays. - V. Masilamani; D. K. Sheena Christy; D. Gnanaraj Thomas; T. Kalyani (BIC-TA, 2010)

Parallel double splicing on images. - V. Masilamani; D. Gnanaraj Thomas (BIC-TA, 2010)

Trajectory array P system. - A. S. Prasanna Venkatesan; D. Gnanaraj Thomas; T. Robinson 001; Atulya K. Nagar (BIC-TA, 2010)

Collage of Iso-Picture Languages and P Systems. - S. Annadurai; V. Rajkumar Dare; T. Kalyani; D. Gnanaraj Thomas (CompIMAGE, 2010)

A New Method for Generation of Three-Dimensional Cubes. - R. Arumugham; K. Thirusangu; D. Gnanaraj Thomas (CompIMAGE, 2010)

Recognizable polyhexes languages and their acceptors. - H. Geetha; J. D. Emerald; D. Gnanaraj Thomas; T. Kalyani (CompIMAGE Special Track, 2010)

Online Tessellation Automaton Recognizing Various Classes of Convex Polyominoes. - H. Geetha; D. Gnanaraj Thomas; T. Kalyani (CompIMAGE, 2010)

Learning of Church-Rosser Tree Rewriting Systems. - M. Jayasrirani; D. Gnanaraj Thomas; Atulya K. Nagar; T. Robinson 001 (ICGI, 2010)

Learning Subclasses of Parallel Communicating Grammar Systems. - Sindhu J. Kumaar; P. J. Abisha; D. Gnanaraj Thomas (ICGI, 2010)

Simple Splicing Pattern and Pure Pattern Grammar Systems. - Sindhu J. Kumaar; P. J. Abisha; D. Gnanaraj Thomas (BIC-TA, 2011)

P Systems Based on Sticker Operations. - V. Masilamani; A. S. Prasanna Venkatesan; D. Gnanaraj Thomas (BIC-TA, 2011)

Hyperedge Replacement Graph P System. - Meena Parvathy Sankar; N. Gnanamalar David; D. Gnanaraj Thomas (BIC-TA, 2011)

Algorithms for Reconstruction of Triangular and Hexagonal Arrays. - V. Masilamani; F. Sweety; S. Annadurai; D. Gnanaraj Thomas; T. Kalyani (IICAI, 2011)

Shuffle on Trajectories over Finite Array Languages. - H. Geetha; D. Gnanaraj Thomas; T. Kalyani; A. S. Prasanna Venkatesan (IWCIA, 2011)

Petri Net Generating Hexagonal Arrays. - D. Lalitha; K. Rangarajan; D. Gnanaraj Thomas (IWCIA, 2011)

Splicing Iso-Array P System. - A. S. Prasanna Venkatesan; Durairaj Gnanaraj Thomas; V. Masilamani (IWCIA Special Track on Applications, 2011)

Iso-Array Splicing Grammar System. - D. K. Sheena Christy; V. Masilamani; D. Gnanaraj Thomas (BIC-TA (1), 2012)

Group Associated Petri Nets in Bio Computing. - K. Thirusangu; D. Gnanaraj Thomas; B. J. Balamurugan (ICDCIT, 2012)

Regional Hexagonal Tile Rewriting Grammars. - Thangasamy Kamaraj; Durairaj Gnanaraj Thomas (IWCIA, 2012)

Partial Commutation on Array Languages. - Thangasamy Kamaraj; Durairaj Gnanaraj Thomas; H. Geetha; T. Kalyani (IWCIA, 2012)

Rectangular Arrays and Petri Nets. - D. Lalitha; K. Rangarajan; Durairaj Gnanaraj Thomas (IWCIA, 2012)

Sticker P System. - A. S. Prasanna Venkatesan; V. Masilamani; D. Gnanaraj Thomas (Int. J. Nat. Comput. Res., 2012)

Learning of Bi-ω Languages from Factors. - M. Jayasrirani; M. Humrosia Begam; D. Gnanaraj Thomas; J. D. Emerald (ICGI, 2012)

Array P System with Shuffle on Trajectories. - A. S. Prasanna Venkatesan; D. Gnanaraj Thomas; T. Robinson 001; Atulya K. Nagar (J. Univers. Comput. Sci., 2012)

A Study on Expressiveness of a Class of Array Token Petri Nets. - Thangasamy Kamaraj; D. Lalitha; D. Gnanaraj Thomas (SocProS (2), 2013)

Recognizability of Triangular Picture Languages by Triangular Wang Automata. - V. Devi Rajaselvi; T. Kalyani; V. Rajkumar Dare; D. Gnanaraj Thomas (SocProS (1), 2013)

Accepting H-Array Splicing Systems. - V. Masilamani; D. K. Sheena Christy; D. Gnanaraj Thomas; Atulya K. Nagar; Robinson Thamburaj (BIC-TA, 2014)

Accepting String Graph Splicing System. - Meena Parvathy Sankar; N. Gnanamalar David; D. Gnanaraj Thomas (BIC-TA, 2014)

Partial Commutation on Some Classes of 2D Picture Languages. - Thangasamy Kamaraj; D. Gnanaraj Thomas; T. Robinson 001; Atulya K. Nagar (SocProS (1), 2014)

Scanning Pictures the Boustrophedon Way. - Henning Fernau; Meenakshi Paramasivan; Markus L. Schmid; D. Gnanaraj Thomas (IWCIA, 2015)

Extension of Jumping Finite Automata to Two-Dimensional Languages. - S. James Immanuel; D. Gnanaraj Thomas (IWCIA (Special Track on Applications), 2015)

Accepting H Iso-Array System. - V. Masilamani; D. K. Sheena Christy; D. Gnanaraj Thomas; Atulya K. Nagar; T. Robinson 001 (IWCIA, 2015)

On Accepting Hexagonal Array Splicing System with Respect to Directions. - D. K. Sheena Christy; D. Gnanaraj Thomas; Atulya K. Nagar; Robinson Thamburaj (SocProS (2), 2015)

k-Zumkeller Labeling for Twig Graphs. - B. J. Balamurugan; K. Thirusangu; D. Gnanaraj Thomas (Electron. Notes Discret. Math., 2015)

Computing with membranes and picture arrays. - A. S. Prasanna Venkatesan; D. Gnanaraj Thomas; T. Robinson 001; Atulya K. Nagar (J. Discrete Algorithms, 2015)

Parallel Contextual Hexagonal Array P Systems. - James Immanuel Suseelan; D. Gnanaraj Thomas; Robinson Thamburaj; Atulya K. Nagar; S. Jayasankar (BIC-TA (1), 2016)

Picture Scanning Automata. - Henning Fernau; Meenakshi Paramasivan; D. Gnanaraj Thomas (CompIMAGE, 2016)

Two-Dimensional Input-Revolving Automata. - S. James Immanuel; D. Gnanaraj Thomas; Henning Fernau; Robinson Thamburaj; Atulya K. Nagar (CompIMAGE, 2016)

Polynomial Time Learner for Inferring Subclasses of Internal Contextual Grammars with Local Maximum Selectors. - Abhisek Midya; D. Gnanaraj Thomas; Saleem Malik; Alok Kumar Pani (ICTAC, 2017)

Parallel Contextual Array Insertion Deletion P System. - S. James Immanuel; D. Gnanaraj Thomas; Robinson Thamburaj; Atulya K. Nagar (IWCIA, 2017)

Polynomial Time Algorithm for Inferring Subclasses of Parallel Internal Column Contextual Array Languages. - Abhisek Midya; D. Gnanaraj Thomas; Alok Kumar Pani; Saleem Malik; Shaleen Bhatnagar (IWCIA, 2017)

Regular grammars for array languages. - Henning Fernau; Meenakshi Paramasivan; D. Gnanaraj Thomas (NCMA, 2017)

Two-dimensional double jumping finite automata. - S. James Immanuel; D. Gnanaraj Thomas (Int. J. Artif. Intell. Soft Comput., 2017)

Pure Hexagonal Context-Free Grammars Generating Hexagonal Patterns. - Pawan Kumar Patnaik; Venkata Padmavati Metta; Jyoti Singh; D. Gnanaraj Thomas (CompIMAGE, 2018)

Parallel Contextual Array Insertion Deletion Grammar. - D. Gnanaraj Thomas; S. James Immanuel; Atulya K. Nagar; Robinson Thamburaj (IWCIA, 2018)

Simple picture processing based on finite automata and regular grammars. - Henning Fernau; Meenakshi Paramasivan; Markus L. Schmid; D. Gnanaraj Thomas (J. Comput. Syst. Sci., 2018)

A formal study on generative power of a class of array token Petri net structure. - Thangasamy Kamaraj; D. Lalitha; D. Gnanaraj Thomas (Int. J. Syst. Assur. Eng. Manag., 2018)

Parallel Contextual Array Insertion Deletion Grammar and (Context-Free : Context-Free) Matrix Grammar. - S. Jayasankar; D. Gnanaraj Thomas; S. James Immanuel; Meenakshi Paramasivan; T. Robinson 001; Atulya K. Nagar (IWCIA, 2020)

3D-Array Token Petri Nets Generating Tetrahedral Picture Languages. - T. Kalyani; K. Sasikala; D. Gnanaraj Thomas; Thamburaj Robinson; Atulya K. Nagar; Meenakshi Paramasivan (IWCIA, 2020)

Simulating Parallel Internal Column Contextual Array Grammars Using Two-Dimensional Parallel Restarting Automata with Multiple Windows. - Abhisek Midya; Frits W. Vaandrager; D. Gnanaraj Thomas; Chandrima Ghosh (IWCIA, 2020)

Parallel Contextual Array Insertion Deletion P Systems and Tabled Matrix Grammars. - S. James Immanuel; S. Jayasankar; D. Gnanaraj Thomas; Meenakshi Paramasivan (Int. Conf. on Membrane Computing, 2020)

Triangular Array Token Petri Net and P System. - T. Kalyani; T. T. Raman; D. Gnanaraj Thomas; K. Bhuvaneswari; P. Ravichandran (Int. Conf. on Membrane Computing, 2020)

Partial Array Token Petri Net and P System. - K. Sasikala; F. Sweety; T. Kalyani; D. Gnanaraj Thomas (Int. Conf. on Membrane Computing, 2020)

Parallel contextual array insertion deletion P systems and Siromoney matrix grammars. - S. James Immanuel; S. Jayasankar; D. Gnanaraj Thomas; Meenakshi Paramasivan; Robinson Thamburaj; Atulya K. Nagar (Int. J. Parallel Emergent Distributed Syst., 2021)

Pasting Systems with Picture Tiles Yielding Interesting Patterns. - S. Annadurai; T. T. Raman; T. Kalyani; D. Gnanaraj Thomas; P. Ravichandran (ISAIM, 2022)

P Systems on Hexagonal Picture Languages and Applications. - S. James Immanuel; S. Jayasankar; D. Gnanaraj Thomas (ISAIM, 2022)

Tetrahedral Picture Languages and their Applications in Imaging. - T. Kalyani; F. Sweety; D. Gnanaraj Thomas; K. Bhuvaneswari (ISAIM, 2022)

Adjunct Partial Array Token Petri Net Structure. - T. Kalyani; K. Sasikala; D. Gnanaraj Thomas; K. Bhuvaneswari (IWCIA, 2022)

A Myhill-Nerode Theorem for Finite State Matrix Automata and Finite Matrix Languages. - Abhisek Midya; D. Gnanaraj Thomas (IWCIA, 2022)

Weighted Three Directions OTA and Weighted Hexapolic Picture Automata. - Meenakshi Paramasivan; D. Gnanaraj Thomas (IWCIA, 2022)

Two dimensional fuzzy regular languages. - A. John Kaspar; D. K. Sheena Christy; V. Masilamani; D. Gnanaraj Thomas (Fuzzy Sets Syst., 2022)

Parallel contextual array insertion-deletion P systems and array rewriting P systems with pure 2D context-free rules. - M. Gayathri Lakshmi; G. Arul Freeda Vinodhini; S. Jayasankar; D. Gnanaraj Thomas (J. Membr. Comput., 2023)

Tactile Kolam Patterns - Communicating Art and Mathematics to Students with Vision Impairments. - Robinson Thamburaj; Krishnamachari Desikachari; D. Gnanaraj Thomas (CMSC, 2024)

Two dimensional fuzzy context-free languages and tiling patterns. - A. John Kaspar; D. K. Sheena Christy; V. Masilamani; D. Gnanaraj Thomas (Fuzzy Sets Syst., 2024)

Parallel Contextual Array Insertion Deletion Grammars, Pure 2D Context-Free Grammars and Associated P Systems. - M. Gayathri Lakshmi; G. Arul Freeda Vinodhini; Thangasamy Kamaraj; D. Gnanaraj Thomas (Theor. Comput. Sci., 2024)

Tetrahedral tile pasting systems. - T. Kalyani; S. Annadurai; T. T. Raman; Durairaj Gnanaraj Thomas (Ann. Math. Artif. Intell., 2024)

On a Generalization of the Christoffel Tree: Epichristoffel Trees. - Abhishek Krishnamoorthy; Robinson Thamburaj; Durairaj Gnanaraj Thomas (CoRR, 2025)