*Definition [#c4b923b0]
A topological space is called weakly compact if every [[regular open]] cover has a finite subfamily whose closure covers it.
*Reference [#y9c29bb2]
S. Balasubramanian, C.Sandhya and P.Aruna Swathi Vyjayanthi, ''Note on Regularity and ν-compactness'', Int. J. Contemp. Math. Sciences, Vol. 5, (2010) no. 16, 777-784