PONTIAC, MI-Talks may resume following a private meeting between Detroit's mayor and Oakland County executive on a proposed $665-million expansion of the Cobo convention center in Detroit.

WARREN, MI-A $20-million investment by Triangle Land Property is converting the former Van Dyke Park Hotel into the Windemere Park Senior Living Community. An Obsolete Property Rehabilitation Exemption freezes the city portion of the property tax bill for 12 years.

DETROIT-The potential buyer for the Michigan Executive Plaza Building in the city has backed out of a $12.5-million purchase, state officials say, citing an inability to lure tenants to the 620,000-sf building.

ANN ARBOR, MI-A $35-million Michigan Information Technology Center that will house two pioneer Internet companies, as well as an internet museum, will open in January.

EAST LANSING, MI-The framework is in place for the most expansive renovation of Spartan Stadium in half a century. The $64-million project is expected to boost athletic department revenue.

STERLING HEIGHTS, MI-Maren III, L.L.C. acquires a 76,211-sf industrial asset at 35610 Mound Rd. from Bank One. A Grubb & Ellis team brokers the deal.

MACOMB TOWNSHIP, MI-The board of trustees here now has threedevelopers in the mid-way point in possible "Downtown" residential development projects, including "stacked ranch" condominiums.

ROSEVILLE, MI-The retailer as moved from a 35,000-sf location on Harper in St. Clair Shores to 84,000 sf in Gratiot Centre here. The larger space accommodates a Baby Depot and shoe departments.