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In this work we study the dynamics of opinion formation in the Sznajd modelwith anticonformity on regular lattices in two and three dimensions. Theanticonformity behavior is similar to the introduction of Galam's contrariansin the population. The model was previously studied in fully-connectednetworks, and it was found an order-disorder transition with the orderparameter exponent $\beta=1/2$ calculated analytically. However, the otherphase transition exponents were not estimated, and no discussion about thepossible universality of the phase transition was done. Our target in this workis to estimate numerically the other exponents $\gamma$ and $\nu$ for thefully-connected case, as well as the three exponents for the model defined insquare and cubic lattices. Our results suggest that the model belongs to theIsing model universality class in the respective dimensions.

Phase transitions and universality in the Sznajd model with anticonformity