| 2012 | ISCAS | Delta operator based 2-D VLSI filter structures without global broadcast and incorporation of the quadrantal symmetry. | I-Hung Khoo, Hari C. Reddy, Lan-Da Van, Chin-Teng Lin |
| 2009 | ISCAS | A New VLSI 2-D Fourfold-rotational-symmetry Filter Architecture Design. | Pei-Yu Chen, Lan-Da Van, Hari C. Reddy, Chin-Teng Lin |
| 2009 | ISCAS | 2-D Digital Filter Architectures without Global Broadcast and Some Symmetry Applications. | I-Hung Khoo, Hari C. Reddy, Lan-Da Van, Chin-Teng Lin |
| 2008 | ISCAS | Delta discrete-time operator based realization procedure for low sensitivity sampled-data and digital ladder filters. | I-Hung Khoo, Hari C. Reddy, George S. Moschytz |
| 2008 | ISCAS | Efficient design of delta operator based 2-D IIR filters using symmetrical decomposition. | I-Hung Khoo, Hari C. Reddy, P. Karivaratha Rajan |
| 2005 | ISCAS | Generalized alpha-VSH polynomials and stability of delta-operator based 2D discrete-time systems. | Hari C. Reddy, P. Karivaratha Rajan |
| 2003 | ISCAS | Delta operator based 2-D filters: symmetry, stability, and design. | I-Hung Khoo, Hari C. Reddy, P. Karivaratha Rajan |
| 2001 | ISCAS | Delta operator based 2-D filter design using symmetry constraints. | I-Hung Khoo, Hari C. Reddy, P. Karivaratha Rajan |
| 1999 | ISCAS | Unifying results in CNN theory using delta operator. | Martin Hnggi, Hari C. Reddy, George S. Moschytz |
| 1995 | ISCAS | All Pass Function Based Stability Test for Delta-Operator Formulated Discrete-Time Systems. | Hari C. Reddy, George S. Moschytz, Allen R. Stubberud |
| 1994 | ISCAS | Studies on the Stability of Two Dimsensional Analog Nonlinear Circuits. | Hari C. Reddy, George S. Moschytz |
| 1993 | ISCAS | Study of the compatibility of 1-D and 2-D bounded real functions. | Hari C. Reddy, P. Karivaratha Rajan |
| 1987 | ICASSP | Continued fraction expansion of 1-D complex discrete reactance functions with application to 2-D stability testing. | Hari C. Reddy, P. K. Rajan |