On the Number of Representations of Positive Integers by Some Quadratic Forms in Nine Variables

Author: Teimuraz Vepkhvadze
Keywords: Quadratic forms, Modular forms, Number of representations

Lifting discrete trajectories

Author: Vakhtang Lomadze
Keywords: Taylor expansion, formal series, Mikusinski function

On the category of power groups

Author: Mikheil Amaglobeli
Keywords: nilpotent group, power group, Lindon R group.

TENSOR INVARIANTS AND HOMOGENEOUS RIEMANN SPACES

Author: Ruslan Surmanidze
Keywords: Tensor fields, homogeneous space

ON THE BASIS OF SOME SPACES OF GENERALIZED THETA-SERIES

Author: Ketevan Shavgulidze
Keywords: quadratic form, spherical polynomial, generalized theta-series.

FORMAL GROUP LAWS BY BUCHSTABER, KRICHEVER AND NADIRADZE COINCIDE

Author: Malkhaz Bakuradze
Keywords: Geometric cobordism, formal group law