Browsing Libgen by Author "cd79049e-585f-4241-b0aa-f784d250f74a"
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Topics in topology
Lefschetz S. (PUP, 1942)Solomon Lefschetz pioneered the field of topology--the study of the properties of many?sided figures and their ability to deform, twist, and stretch without changing their shape. According to Lefschetz, "If it's just turning ...