Vladimir Rovenski is a Professor at the University of Haifa, Israel. He holds a PhD in Mathematics from the Russian Academy of Sciences (1994). His research interests lie in differential geometry, submanifolds, foliations, and applied mathematics.Pawel Walczak is a Professor at the University of Lodz, Poland. He holds a PhD from the Polish Academy of Sciences (1974). His research focuses on differential geometry, foliations, and generalized dynamical systems.Robert Wolak is an Associate Professor at the Institute of Mathematics of Jagiellonian University, Poland. He holds a PhD in Mathematical Sciences from Jagiellonian University (1982). He does research in differential geometry, foliation theory, and differential topology.

• 1.Some topics in Sasakian geometry, a survey ( A. Tralle).- 2.Einstein-type metrics and Ricci-type solitons on weak f-K-contact (V. Rovenski).- 3.Weak β-Kenmotsu manifolds and η-Ricci solitons (D.S. Patra, V. Rovenski).- 4.Twistor bundles of foliated Riemannian manifolds (R. Mohseni and R. Wolak).- 5.Mixed 3-Sasakian statistical manifolds and statistical submersions (C.D. Neac¸su).-  6.Minimal unit vector fields on oscillator groups (A. Yampolsky).- 7.Growth and structure of equicontinuous foliated spaces (M.F. Moreira).- 8.Lichnerowicz-type Laplacians in the Bochner technique (V. Rovenski, S. Stepanov and I. Tsyganok).- 9.On general solutions of Sinyukov equations on two-dimensional equidistant (pseudo-)Riemannian spaces (P. Peˇska, L. V´ıtkov´a, J. Mikeˇs and I. Kuzmina).- 10.Fundamental equations on conformal Fedosov spaces (C. Almazbekov, N. Guseva and J. Mikeˇs).- 11.Rotary mappings of equidistant spaces (L. V´ıtkov´a).- 12.Smith-Gysin sequence (J.I.R. Prieto, M. Saralegi-Aranguren, and R. Wolak) .- 13.An Ay-Lˆe-Jost-Schwachh¨ofer type characterization of quantitatively weakly sufficient statistics (K. Yamaguchi and H. Nozawa).- 14.Lower bounds for high derivatives of smooth functions with given zeros (G. Goldman and Y. Yomdin).- 15.Interactions between differential geometry and production theory (A.D. Vˆılcu and G.E. Vˆılcu).- 16.A Lagrangian program detecting the weighted Fermat-Steiner-Fr´echet multitree for a Fr´echet N-multisimplex in Euclidean N-space (A.N Zachos).

Vladimir Rovenski is a Professor at the University of Haifa, Israel. He holds a PhD in Mathematics from the Russian Academy of Sciences (1994). His research interests lie in differential geometry, submanifolds, foliations, and applied mathematics.Pawel Walczak is a Professor at the University of Lodz, Poland. He holds a PhD from the Polish Academy of Sciences (1974). His research focuses on differential geometry, foliations, and generalized dynamical systems.Robert Wolak is an Associate Professor at the Institute of Mathematics of Jagiellonian University, Poland. He holds a PhD in Mathematical Sciences from Jagiellonian University (1982). He does research in differential geometry, foliation theory, and differential topology.

• 1.Some topics in Sasakian geometry, a survey ( A. Tralle).- 2.Einstein-type metrics and Ricci-type solitons on weak f-K-contact (V. Rovenski).- 3.Weak β-Kenmotsu manifolds and η-Ricci solitons (D.S. Patra, V. Rovenski).- 4.Twistor bundles of foliated Riemannian manifolds (R. Mohseni and R. Wolak).- 5.Mixed 3-Sasakian statistical manifolds and statistical submersions (C.D. Neac¸su).-  6.Minimal unit vector fields on oscillator groups (A. Yampolsky).- 7.Growth and structure of equicontinuous foliated spaces (M.F. Moreira).- 8.Lichnerowicz-type Laplacians in the Bochner technique (V. Rovenski, S. Stepanov and I. Tsyganok).- 9.On general solutions of Sinyukov equations on two-dimensional equidistant (pseudo-)Riemannian spaces (P. Peˇska, L. V´ıtkov´a, J. Mikeˇs and I. Kuzmina).- 10.Fundamental equations on conformal Fedosov spaces (C. Almazbekov, N. Guseva and J. Mikeˇs).- 11.Rotary mappings of equidistant spaces (L. V´ıtkov´a).- 12.Smith-Gysin sequence (J.I.R. Prieto, M. Saralegi-Aranguren, and R. Wolak) .- 13.An Ay-Lˆe-Jost-Schwachh¨ofer type characterization of quantitatively weakly sufficient statistics (K. Yamaguchi and H. Nozawa).- 14.Lower bounds for high derivatives of smooth functions with given zeros (G. Goldman and Y. Yomdin).- 15.Interactions between differential geometry and production theory (A.D. Vˆılcu and G.E. Vˆılcu).- 16.A Lagrangian program detecting the weighted Fermat-Steiner-Fr´echet multitree for a Fr´echet N-multisimplex in Euclidean N-space (A.N Zachos).

Vladimir Rovenski is a Professor at the University of Haifa, Israel. He holds a PhD in Mathematics from the Russian Academy of Sciences (1994). His research interests lie in differential geometry, submanifolds, foliations, and applied mathematics.Pawel Walczak is a Professor at the University of Lodz, Poland. He holds a PhD from the Polish Academy of Sciences (1974). His research focuses on differential geometry, foliations, and generalized dynamical systems.Robert Wolak is an Associate Professor at the Institute of Mathematics of Jagiellonian University, Poland. He holds a PhD in Mathematical Sciences from Jagiellonian University (1982). He does research in differential geometry, foliation theory, and differential topology.

• 1.Some topics in Sasakian geometry, a survey ( A. Tralle).- 2.Einstein-type metrics and Ricci-type solitons on weak f-K-contact (V. Rovenski).- 3.Weak β-Kenmotsu manifolds and η-Ricci solitons (D.S. Patra, V. Rovenski).- 4.Twistor bundles of foliated Riemannian manifolds (R. Mohseni and R. Wolak).- 5.Mixed 3-Sasakian statistical manifolds and statistical submersions (C.D. Neac¸su).-  6.Minimal unit vector fields on oscillator groups (A. Yampolsky).- 7.Growth and structure of equicontinuous foliated spaces (M.F. Moreira).- 8.Lichnerowicz-type Laplacians in the Bochner technique (V. Rovenski, S. Stepanov and I. Tsyganok).- 9.On general solutions of Sinyukov equations on two-dimensional equidistant (pseudo-)Riemannian spaces (P. Peˇska, L. V´ıtkov´a, J. Mikeˇs and I. Kuzmina).- 10.Fundamental equations on conformal Fedosov spaces (C. Almazbekov, N. Guseva and J. Mikeˇs).- 11.Rotary mappings of equidistant spaces (L. V´ıtkov´a).- 12.Smith-Gysin sequence (J.I.R. Prieto, M. Saralegi-Aranguren, and R. Wolak) .- 13.An Ay-Lˆe-Jost-Schwachh¨ofer type characterization of quantitatively weakly sufficient statistics (K. Yamaguchi and H. Nozawa).- 14.Lower bounds for high derivatives of smooth functions with given zeros (G. Goldman and Y. Yomdin).- 15.Interactions between differential geometry and production theory (A.D. Vˆılcu and G.E. Vˆılcu).- 16.A Lagrangian program detecting the weighted Fermat-Steiner-Fr´echet multitree for a Fr´echet N-multisimplex in Euclidean N-space (A.N Zachos).