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We give a result of local existence and uniqueness for equations of the type ∂ ∂t2 u(x, t) = k1u ( ∂ ∂t2 u(x, t) + k2u(x, t), t ) where k1 and k2 are given real numbers or real functions ki = ki(x, t). 1 – Introduction In previous notes we have started the study of a new type of differential equations that we have called self-referred and hereditary (see… (More)

- EDUARDO PASCALI
- 2006

We establish the existence and uniqueness of a local solution for the system of differential equations ∂ ∂t u(x, t) = u “ v “Z t 0 u(x, s)ds, t ” , t ” ∂ ∂t v(x, t) = v “ u “Z t 0 v(x, s)ds, t ” , t ” . with given initial conditions u(x, 0) = u0(x) and v(x, 0) = v0(x).

In this note we establish some results of local existence and uniqueness for the equations u(x, t) = u 0 (x) + t 0 u τ 0 u(x, s)ds, τ dτ, t ≥ 0, x ∈ R, u(x, t) = u 0 (x) + t 0 u 1 τ τ 0 u(x, s)ds, τ dτ, t ≥ 0, x ∈ R and u(x, t) = u 0 (x) + t 0 u τ 0 1 2δ(s) x+δ(s) x−δ(s) and ∂ ∂t u(x, t) = u t 0 1 2δ(s) x+δ(s) x−δ(s) where u 0 e δ are given… (More)

- E Pascali, A Pezzoli, M Melato, G Antonutto
- Pathology, research and practice
- 1980

A case of non-myelomatous monoclonal gammopathy, with the unusual presenting features of recurrent "pseudotumoral" localized amyloid deposits in intimate relation with the shoulder joints, is described. The peculiar anatomo-clinical features, which make this case quite different from the most reported ones of amyloid arthropathy and of localized… (More)

A series of 52 consecutive patients with newly diagnosed chronic lymphocytic leukaemia (CLL) was investigated for the presence of serum and urine monoclonal immunoglobulins. The overall incidence of monoclonal gammopathy (MG) was 69%. Serum M components belonging to the IgG and IgM classes were found in 27% of cases with a concentration ranging from 1.7 to… (More)

62 consecutive patients with newly diagnosed malignant non-Hodgkin's lymphoma (NHL) were investigated for the presence, type, and amount of serum and urine monoclonal immunoglobulin abnormalities. The overall incidence of monoclonal gammopathy (MG) was 81%. M components of the IgM and IgG classes were found in the serum of 52% of the patients. Their… (More)

Sixty-six consecutive patients exhibiting isolated urinary excretion of monoclonal free light chains, i.e. Bence Jones protein (BJP), on screening investigation for serum and urine monoclonal immunoglobulins were studied in order to better define the spectrum of immunoproliferative disorders associated with such a protein abnormality. The typical plasma… (More)

- E Pascali
- Clinical chemistry
- 1994