5 http://hdl.handle.net/10338.dmlcz/153281 5 Unit-regularity and representability for semiartinian $\ast $-regular rings. Erratum http://hdl.handle.net/10338.dmlcz/153284 Unit-regularity and representability for semiartinian $\ast $-regular rings. Erratum Blockwise interpolation on sequences of points in the disk http://hdl.handle.net/10338.dmlcz/153283 Blockwise interpolation on sequences of points in the disk Construction of stationary discs for perturbations of decoupled submanifolds in $\mathbb{C}^4$ http://hdl.handle.net/10338.dmlcz/153282 Construction of stationary discs for perturbations of decoupled submanifolds in $\mathbb{C}^4$ Hyperbolic summation involving the function $\Omega (n) $ and LCM http://hdl.handle.net/10338.dmlcz/153280 Hyperbolic summation involving the function $\Omega (n) $ and LCM