Z4 (computer)

Known as: Zuse Z4

The Z4 was the world's first commercial digital computer, designed by German engineer Konrad Zuse and built by his company Zuse Apparatebau between…

Papers overview

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2017

In this paper, we study a class of skew-constacyclic codes over R = Z4 + uZ4, which is a non-chain extension of Z4. Some…

2012

In this paper, we consider the construction of linear lexicodes over finite chain rings by using a $$B$$-ordering over these…

2011

For over a decade, there has been considerable research on codes over Z4 and other rings. In spite of this, no tables or…

2008

Viable neutrino and charged lepton masses and mixings are obtained by imposing the S3 × Z4 flavor symmetry in a model with a few…

2006

In this paper, we develop a protocol for the construction of cooperative networks when the channel state information is not…

2005

ESC (Electronic Stability Control) was introduced on the mass market in 1998. Since then, several studies showing the positive…

2000

Venn diagrams and Euler circles have long been used as a means of expressing relationships among sets using visual metaphors such…

1997

We give a method to compute the complete weight distribution of translates of linear codes over . The method follows known ideas…

1995

A GENUINELY MULTI-DIMENSIONAL UPWINDING ALGORITHM FOR THE NAVIER-STOKES EQUATIONS ON UNSTRUCTURED GRIDS USING A COMPACT, HIGHLY…

1980

Computer developments in Germany before and during World War II were nearly unknown until 1949. In 1950 the model Zuse Z4, the…