Journal of the Ramanujan Mathematical Society
Volume 39, Issue 1, March 2024 pp. 103–108.
Lifting mod p Heisenberg representations to mod p²
Authors:
Nguyên Duy Tân and Nguyên Thi Trà
Author institution:
Faculty of Mathematics and Informatics, Hanoi University of Science and Technology, 1 Dai Co Viet Road,
Hanoi, Vietnam.
Summary:
We provide another proof for a result of Khare and Larsen on lifting of mod p Heisenberg representations
of absolute Galois groups of global fields to mod p² representations for the case of global fields.
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