${\mathcal O}$-operators of Loday algebras and analogues of the classical Yang-Baxter equation
$β$-Boundedness, Semipassivity, and the KMS-Condition
$ζ$-regularised spectral determinants on metric graphs
$κ$-Deformation and Spectral Triples
$κ$-Minkowski Spacetimes and DSR Algebras: Fresh Look and Old Problems
$λ$-symmetries and Jacobi Last Multiplier
$λ$-symmetries for discrete equations
$σ_1$ and $σ_2$ automorphism of the systems of equations of integrable hierarchies. Discrete and Backlund transformations