To open the exhibition season here the Hyde Park Art Center presented a show entitled simply “Wedge.” Contrasting with a long-standing local tendency toward the figurative, the show was emphatically abstract, oriented toward the minimal concept. The six artists included were Allan Boutin, John Brower, James Falconer, Robert Phillips, Dennis Subia and James Zanzi. Certainly the show was not programmatic and there was considerable personal variation within the theme. Brower’s painting with ladders was of interest in itself but it had little in common with the other works, and Phillips’s Light