Conflict resolution process In line with the conflict degree of the comprehensive matrix revised for 8 times, the conflict degree of the group comprehensive information matrix is drawn in Fig. 4. It can be seen that negotiation and variation of the weight of the decision maker can effectively resolve the conflict in the decision-making process of the renovation of the public space in old community, and realize rapid convergence of the conflict degree, making the conflict degree of the group comprehensive information matrix less than the threshold value of the conflict degree.

Conflict resolution process In line with the conflict degree of the comprehensive matrix revised for 8 times, the conflict degree of the group comprehensive information matrix is drawn in Fig. 4. It can be seen that negotiation and variation of the weight of the decision maker can effectively resolve the conflict in the decision-making process of the renovation of the public space in old community, and realize rapid convergence of the conflict degree, making the conflict degree of the group comprehensive information matrix less than the threshold value of the conflict degree.

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Background. With the widespread renovation of public space in older communities, we not only face the problems such as limited space and great difficulty in renovation, but also faces the challenges of more diversified decision makers and more market-oriented renovation methods. This further results in frequent community contradictions, hinders the...