1. A.Ignat - Calcul symbolique pour l’obtention des solutions exactes de l’equation de Ginzburg-Landau, An. St. University ”Al.I.Cuza” Iaşi,Tom II, Informatica, 109-120.
2. L.Ciortuz, A.Ignat - CHALLENGER - The First Romanian Automate Translation System from English into Romanian, International Conference on Development and Application Systems, Suceava, Romania, 26-28 May, 1994, 173-174
3. P.Gahinet, A.Ignat - Low-order  H_∞  synthesis via LMIs, Proc. American Control Conference, Baltimore, Maryland, 1994, 1499-1500.
4. A.Ignat - Approximating algebraic Riccati eqautions in infinite dimensions, Review d’Analyse Numerique et la Theorie de l’Approximation, Cluj, Romania, 1995, 147-157.
5. A.Ignat - Aproximation of H_∞-control problem in Hilbert spaces, Numer. Funct. Anal. And Optimiz., 18(5-6),1997, 591-608.
6. M.Ignat, A.Ignat - Gravitational instability of a radiative dissipative rotating plasma with thermal conduction and anisotropic current in the presence of suspended particles, Atti del Sem. Math. Phys. Univ. Modena, Italy, XLVI, 1998, 15-26.
7. A.Ignat - Boundary control approximation of a 1-dimensional hyperbolic equation, preprint of Computer Science Faculty, University of Iasi, TR-4/1998.
8. A.Ignat - Approximation of optimal control problems governed by infinite dimensional nonlinear equations, Ph.D. thesis, 1999 (approximation of Riccati equations  arising from the H_∞ control problems).
9. A.Ignat, J.Sprekels, D.Tiba - Analysis and optimization of nonsmooth mechanical structures, Preprint 581/2000 WIAS (Weierstrass Institute for Applied Analysis and Stochastics), Berlin, Germany.
10. A.Ignat, J.Sprekels, D.Tiba - Analysis and Optimization of Nonsmooth Arches, SIAM J. Control. Optim., Vol. 40, Nr. 4, 2001, 1107-1133.
11. A.Ignat, J.Sprekels, D.Tiba - A model of a general elastic curved rod, Math. Meth. Appli. Sci., 25,2002, 835-854.
12. E. Bârsan, A.Ignat - Impact of failures from water distribution networks on booster disinfection, Computational Civil Engineering 2005, International Symposium Iaşi, Romania, May 27, 2005.
13. E. Bârsan, A.Ignat - Optimization of Booster Disinfection in Water Distribution Systems, Computational Civil Engineering 2005, International Symposium Iaşi,  Romania, May 27, 2005. 
14. M.Costin, A.Ignat, O.Baltag, S.Bejinariu, C.Ştefănescu, F.Rotaru, D.Costandache - 3D Breast Shape Reconstruction for a  Non-Invasive Early Breast Cancer System, SOFA 2007, 2nd IEEE Internat. Workshop on Soft Computing Applications, Gyula, Hungary - Oradea, Romania, 21-23 August 2007. 
15. O.Baltag, M.Costin, A.Ignat, C.Ştefănescu, F.Rotaru - Epipolar Geometry in a Non-Invasive Breast Cancer Diagnosis System, SACCS 2007, 9th Internat. Symp. On Automatic Control and Computer Science, Iaşi, 16-18 Nov., 2007.
16. M.Costin, A.Ignat - Pitfalls in Using Dual Tree Complex Wavelet Transform for Texture Featuring: a Discussion, 2011 IEEE 7th International Symposium on Intelligent Signal Processing (WISP) Proceedings, September 19-21, Malta, 110-115.
17. A.Ignat, M.Luca, A.Ciobanu - Iris Features using Dual Tree Complex Wavelet Transform in Texture Evaluation for Biometrical Identification, E-Health and Bioengineering Conference (EHB), Iaşi, November 21-23, 2013.
18.  A.Ignat, M.Luca, A. Ciobanu -  New Method of Iris Recognition using Dual Tree Complex Wavelet Transform, 6-th International Workshop on Soft Computing, SOFA 2014, Timisoara, Romania, July 24-26, 2014, Soft Computing Applications, Springer International Publishing, 2016. 851-862.
19. A.Ignat, M.Luca - Rotation Invariant Texture Retrieval Using Dual Tree Complex Wavelet Transform, 6-th International Workshop on Soft Computing, SOFA 2014, Timisoara, Romania, July 24-26, 2014, Soft Computing Applications. Springer International Publishing, 2016. 903-911.
20. F.Rotaru, S.I.Bejinariu, C.D.Niţă, R.Luca, M.Luca, A.Ignat  - Optic Disc Recognition Method for Retinal Images, 6-th International Workshop on Soft Computing, SOFA 2014, Timisoara, Romania, July 24-26, 2014, Soft Computing Applications, Springer International Publishing, 2016, 875-889..
21. I.Păvăloi, A.Ciobanu, M.Luca, E.Musca, T.Barbu, A.Ignat - A Study on Automatic Recognition of Positive and Negative Emotions in Speech, Proceedings of the 18th International Conference on System Theory, Control and Computing (ICSTCC 2014), Sinaia, Romania, October 17-19, 2014, pp. 221-224.
22. A.Ignat - Combining Features for Texture Analysis, Proceedings Part II of 16-th International Conference CAIP2015, Valletta, Malta, September 2-4, 2015 (G. Azzopardi, N. Petkov eds.), LNCS 9257, pp. 220-229.
23. A.Ignat, M.Coman - Gender Recognition with Gabor Filters, E-Health and Bioengineering Conference (EHB), Iaşi, Romania, 19-21 November, 2015.
24. I.Păvăloi, A.Ignat -  A Simple Global Color Criterion for Image Retrieval, 13^th Int. Conference on DEVELOPMENT AND APPLICATION SYSTEMS, DAS 2016, Suceava, Romania, May 19-21, 2016.
25. V.Dima, A.Ignat, C.Rusu - Identifying Down Syndrome Cases by Combined Use of Face Recognition Methods, 7-th International Workshop on Soft Computing, SOFA 2016, Arad, Romania, August 24-26, 2016.
26. A Ignat, M Luca - Tips on Texture Evaluation with Dual Tree Complex Wavelet Transform, 7-th International Workshop on Soft Computing, SOFA 2016, Arad, Romania, August 24-26, 2016.
27. I.Păvăloi, A.Ignat - Iris Recognition using Color and Texture Features, 7-th International Workshop on Soft Computing, SOFA 2016, Arad, Romania, August 24-26, 2016.
28. A. Ignat, B. Aciobăniţei - Handwritten digit recognition using rotations, 18-th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing, SYNASC 2016, Timişoara, Romania, September 24-27, 2016.
29. I.Păvăloi, A.Ignat - Iris Recognition using Statistics on Pixel Position, IEEE Intl. Conference on E-Health and Bioengineering Conference (EHB), Sinaia, Romania, 22-24 June, 2017.
30. M. Luca, A. Ciobanu, S.-I. Bejinariu, A. Ignat, C. T. Teodorescu-Soare, G. Stoian, D. Luca - Automatic Evaluation of Surface Nanostructuring Using Image Processing, In: Luca D., Sirghi L., Costin C. (eds) Recent Advances in Technology Research and Education. INTER-ACADEMIA 2017. Advances in Intelligent Systems and Computing, vol 660. Springer, pp 110-119.
31. A. Ignat, A. Vasiliu - A study of some fast inpainting methods with application to iris reconstruction, 22nd International Conference on Knowledge-Based and Intelligent Information & Engineering Systems,  Belgrade, Serbia, 3-5 September.
32. I.Păvăloi, A.Ignat - Experiments on Iris Recognition using Partially Occluded Images, 8-th International Workshop on Soft Computing, SOFA 2018, Arad, Romania, 13-15 September
33. I.Păvăloi, A.Ignat - Experiments on phonetic transcription of audio vowels, 8-th International Workshop on Soft Computing, SOFA 2018, Arad, Romania, 13-15 September
    
    

            M. Costin, A. Ignat - De la percepția vizuală către detecția automată a texturii, capitol în volumul “De la procesarea de imagini către vederea artificială. Progrese cognitive” coordonat de Mihaela Costin, pg. 257-283, Ed. Institutului European, 2013.