On Mac cmd is equivalent to ctrl on Windows

Trackpad

Zoom in viewport directioncmd + two finger scroll
Zoom to specific objectselect object + cmd + two finger scroll
Rotate viewportleft click + drag
Rotate around objectselect object + left mouse click + drag
Pantwo finger scroll

Apple Magic Mouse

Zoom in viewport directioncmd + scroll
Zoom to specific objectselect object + cmd + scroll
Rotate viewportleft click + drag
Rotate around objectselect object + left click + drag
Pansingle finger scroll

Standard Mouse

Zoom in viewport directioncmd + scroll
Zoom to specific objectselect object + cmd + scroll
Rotate viewportleft click + drag
Rotate around objectselect object + left click + drag
Panwheel click + drag