He used EigenVector spaces in a unique way, that is still hard to this day to understand.
See:
http://www.einstein-online.info/spotlights/path_integrals
Albert Einstein did not invent any mathematical inventions.
because he was the first one to invent math
Albert Einstein did not invent mathematics.
Albert Einstein was not an inventor.
No, Albert Einstein did not invent repeating decimals.
Albert Einstein did not invent the light bulb(neither did Thomas Edison).
yes Albert Einstein invented the wovel
Albert Einstein love math
No, Einstein did not invent the phonograph, that was invented by Thomas Edison.
Nowhere. Einstein did not invent the atomic bomb
No, he did not.
Albert Einstein failed math.