We study the Galois symbol map associated to multiplicative group and an abelian variety which has good ordinary reduction over a $p$-adic field. As byproduct, one can calculate “class group” in sense of class field theory for curves ove

Let f be a projective morphism from a smooth algebraic surface X to a smooth algebraic curve S over a perfect field k . Using the adelic language we give some relative constructions of residues and symbols and apply them to the Gysin morphism for differentials and algebraic cycles. The first section of this article is devoted to various constructions of relative residue maps from differentials ...

We present an improved algorithm for detection of the received signal of a convolutionally encoded wireless MIMO system. The method is based on BLAST (Bell-Labs Layered Space-Time) algorithm with successive interference cancellation. Compared to existing solutions, cancellation is done adaptively. The receiver uses an MAP soft output demapper combined with an iterative (Turbo-) decoder. Adaptiv...

This paper compares the performance of topographic analysis and binary analysis for recognition of digits in hydrographic maps. The performance of each method was measured by the correct classification rate of the final symbol recognition step when processing a complete hydrographic map of size 0.45× 0.6m with about 35,000 digits. The experimental results indicated that binary analysis had a be...

This work describes a way of interactive manipulation of structured objects by interaction rules. Symbols are used as graphical representation of object states. State changes lead to different visual symbol instances. The manipulation of symbols using interactive devices lead to an automatic state change of the corresponding structured object without any intervention of the application. Therefo...

Forbidding-enforcing systems (fe-systems) define classes of languages (fe-families) based on boundary conditions. We characterize f -families having not necessarily finite forbidders and prove that none of the Chomsky families of languages can be defined with an fe-system, hence, fe-systems provide a completely new way of defining classes of languages. We show that f -families map to f -familie...

3D maps are one of the most attractive cartographical products for map users. They can present real environment in a photorealistic, readable way, keeping enough geo-spatial information needs different Very often users don’t make difference between and models environment. The aim this report is to clarify when we speak even discuss definition map.The article considers elements applied mapping w...

We present an area-efficient MAP-based turbo equalizer VLSI architecture by proposing a symbol-based soft-input softoutput (SISO) kernel which processes one multi-bit symbol in every clock cycle. The symbol-based SISO hardware can be shared by the equalizer and decoder, thereby reducing silicon area. Further, by introducing block-interleaved computation in the add-compare-select recursions, the...

This paper compares the performance of topographic analysis and binary analysis for recognition of digits in hydrographic maps. Each of the methods processed the input image by extracting binary print components, recognizing long lines, splitting touching digits, and, finally, recognizing individual symbol candidates. The topographic analysis extracted the information by computing topographic l...