M. Yadav

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math.GR2021

Commutators in groups of order $p^{7}$

Rahul Kaushik, Manoj K. Yadav

We present a characterisation of groups $G$ of order $p^{7}$ , $p$ prime, in which not all elements of the commutator subgroup $γ_{2} (G)$ of $G$ are commutators in $G$ . On the way we ob…

math.GR2021

Cohomology, Extensions and Automorphisms of Skew Braces

Nishant, Manoj K. Yadav

The second cohomology group of a left skew brace with coefficients in a trivial left brace with non-trivial actions is defined, its connection with extensions of a left skew brace…

Commutators in groups of order p7

Cohomology, Extensions and Automorphisms of Skew Braces

Commutators in groups of order $p^{7}$