Let z = (z1, · · · , zn) and ∆ = ∑n i=1 ∂ 2 ∂z i the Laplace operator. A formal power series P (z) is said to be Hessian Nilpotent(HN) if its Hessian matrix HesP (z) = ( ∂ 2 P ∂zi∂zj ) is nilpotent. In recent developments in [BE1], [M] and [Z], the Jacobian conjecture has been reduced to the following so-called vanishing conjecture(VC) of HN polynomials: for any homogeneous HN polynomial P (z) ...

A prospective study on dengue (DEN) viruses was initiated in October 1995 in Gondokusuman kecamatan, Yogyakarta, Indonesia. This report presents data from the first year of the study. The studied cohort included all children 4-9 years of age living in the kecamatan. Blood samples for serology were collected from 1,837 children in October 1995 and again in October 1996. Blood samples for virus i...

A recombinant protein containing part of the dengue (DEN) 2 envelope protein was evaluated as a subunit immunogen for vaccination against DEN virus infection. A gene fragment encoding amino acids 298-400 (B domain) of the DEN-2 virus envelope was expressed as a fusion protein with the maltose binding protein (MBP) of Escherichia coli. This recombinant, DEN-2(B)/MBP, was purified and analyzed fo...

Mit dem Einzug modellgetriebener Entwicklungsansätze ist die Bedeutung diagrammartiger Dokumente, beispielsweise von Modellen in UML-Notationen, für die Softwaretechnik noch wichtiger geworden. Durch den zunehmenden Einsatz von Modellen in der Softwareentwicklung entsteht in vielen Kontexten der Bedarf, Versionen von Modellen zu bilden und Modelle zu vergleichen, die Ähnlichkeit von Modellen zu...

The paper is a short overview of the generalization of Groenendijk-Stokhof’s system of erotetic logic(also known as the partition semantics of questions) to fuzzy questions. Fuzzy intensional semantics,necessary for Groenendijk-Stokhof’s system, is developed within Henkin-style second-order fuzzy logic,which is introduced first. Our attention is restricted to fuzzy yes-no questions.

In the past 15 years, triaxial Schwarzschild orbit-superposition code by van den Bosch et al. (2008) has been widely applied to study dynamics of galaxies. Recently, Quenneville (2022) reported a bug in orbit calculation this code, specifically mirroring procedure that is used speed up computation. We have fixed incorrect DYNAMITE, which publicly-released successor (2008). study, we provide tho...

Most live-attenuated tetravalent dengue virus vaccines in current clinical trials are produced from Vero cells. In a previous study we demonstrated that an infectious cDNA clone-derived dengue type 4 (DEN-4) virus retains higher genetic stability in MRC-5 cells than in Vero cells. For this study we investigated two DEN-4 viruses: the infectious cDNA clone-derived DEN-4 2A and its derived 3' NCR...

Genetic variation between geographically and temporally distinct isolates of dengue-1 (DEN-1) and dengue-4 (DEN-4) viruses was investigated. The nucleotide sequences of a fragment of the envelope protein gene encoding amino acids 28 to 87 of 35 DEN-1 isolates and 28 DEN-4 isolates were determined. Maximum nucleotide sequence variation was 6.9% and 4.9% for DEN-1 and DEN-4 viruses, respectively....