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Mr. Netanyahu has insisted that talks begin immediately without any preconditions, but he rejects a return to the 1967 lines and has allowed thousands of new settler homes to be built on his watch, raising Palestinian suspicions that he is not serious about peace.

Israel withdrew from Gaza in 2005, and the Hamas militant group’s takeover of the territory has added to the complicated task facing Mr. Kerry.

Addressing his Cabinet on Sunday, Mr. Netanyahu showed little signs of bending.

“We are not putting up any impediments on the resumption of the permanent talks and a peace agreement between us and the Palestinians,” he said.

At the same time, he said, “We will not compromise on security, and there will be no agreement that will endanger Israelis’ security.”

He added that any agreement would be presented to the public in a referendum.

Critics have said such a step would merely add an additional obstacle to implementing any deal, which would require a broad pullout from the West Bank.

Following Sunday morning’s meeting in Ramallah, the chief Palestinian negotiator, Saeb Erekat, reported progress but said that gaps remained.

“I cannot say we have a breakthrough,” he said. “All I can say once again is no one benefits more from the success of Secretary Kerry than the Palestinians, and no one stands to lose more from its failure than Palestinians.”

• Associated Press writers Mohammed Daraghmeh and Josef Federman contributed to this article.