Induction Cooktop

FIG. 1 is a top, front perspective view of an induction cooktop showing my new design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a right side view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a top view thereof; and, FIG. 7 is a bottom view thereof. The dash-dash broken lines illustrate portions of the induction cooktop that form no part of the claimed design. The dot-dash broken lines with zig-zag line features represent a symbolic break. The appearance of any portion of the induction cooktop between the dot-dash lines with zig-zag line features forms no part of the claimed design. The dot-dash broken lines forming a rectangle around the claimed article represent environmental structure and form no part of the claimed design.