Lee P. Brown has made a career of taking over strife-torn police departments in racially troubled cities and bringing a relative sense of calm.

Dinkins Pledges Fairness In a visit to racially troubled Crown Heights, Mayor Dinkins said he would be fair to both communities.

"The whole world is here," boasted one of the celebrants, Rachid Kasimi, a French soccer booster from the racially troubled suburb of Asnieres who said his family emigrated here from Morocco.

They include the appointment of a SUNY "hit squad" to travel to racially troubled campuses, more financing for ethnic holidays and the development of "racial climate" committees at each of the system's 64 campuses.

Meanwhile, all New Yorkers in a racially troubled city need to ponder the ways that fear, however legitimate, may tragically poison perceptions.

A day after Mayor David N. Dinkins issued a rare televised appeal for racial harmony in New York City, black demonstrators marched through two racially troubled neighborhoods in Brooklyn yesterday, calling even more attention to two highly publicized bias incidents.

In the second incident, Brokha Estrin, a Holocaust survivor from Russia in her 60's, jumped to her death from her third-floor apartment at 1650 President Street in the racially troubled area.

A huge police presence in the racially troubled Crown Heights section of Brooklyn appeared to have brought a measure of calm yesterday.

Its decision was seen as symbolizing the widely perceived failure of the police and the courts to assemble evidence against five young men, who come from a racially troubled neighborhood.

Black youths hurling rocks and bottles scuffled with the police in the Crown Heights section of Brooklyn last night, even as Mayor David N. Dinkins tried to personally calm the racially troubled neighborhood after two nights of violence.