golub

Golub is a Slavic surname and a common noun meaning dove or pigeon in several Slavic languages. In Cyrillic languages the form Golub is standard; in Latin-script languages cognates appear as Holub in Czech and Slovak.

As a surname, Golub is found among Russians, Ukrainians, Belarusians, Poles, Croats, Serbs, Bulgarians, and in diaspora communities around the world. Variants include Golubov, Golubova (feminine form in some languages), and Holub.

The root also occurs in toponyms in the region; examples include Golubac in Serbia and Golubovci in Montenegro, both derived from the same stem and associated with the dove motif.

In mathematics and numerical analysis, the name appears in the Golub-Kahan bidiagonalization, a method used in computing singular value decompositions and other matrix factorizations; it bears the name of Gene H. Golub (and collaborator) for contributions to matrix computations.

Historically, the name has been borne by numerous individuals across fields such as science, arts, and sports, reflecting its broad Slavic heritage.