Let X be a Banach space, H a subspace of X, M an n-dimensional subspace of H and D a linear operator from H to X. R. Whitley raised the question how to calculate the following numbers:
In this paper we consider the following initial boundary value problem for the Fitzhugh-Nagumo equations arising in the conduction of electric impulses in a nerve axon:
Ⅰ. INTRODUCTION In domain (?)(=(?)+∪(?)-) we consider the equation of mixed type Lw≡ k(x,y)wxx+wyy+α(x,y)wx+β(x,y)wy+γ(x,y)w=f(x,y), (1)where the function k(x, y) satisfies the conditions: ...Ⅰ. INTRODUCTION In domain (?)(=(?)+∪(?)-) we consider the equation of mixed type Lw≡ k(x,y)wxx+wyy+α(x,y)wx+β(x,y)wy+γ(x,y)w=f(x,y), (1)where the function k(x, y) satisfies the conditions: yk >0, when y≠0, k(x,0)=0, k∈C1((?)), the function α,β, γ∈C((?)), f∈L2((?)). Let the outer boundary展开更多
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文摘Let X be a Banach space, H a subspace of X, M an n-dimensional subspace of H and D a linear operator from H to X. R. Whitley raised the question how to calculate the following numbers:
文摘In this paper we consider the following initial boundary value problem for the Fitzhugh-Nagumo equations arising in the conduction of electric impulses in a nerve axon:
文摘Ⅰ. INTRODUCTION In domain (?)(=(?)+∪(?)-) we consider the equation of mixed type Lw≡ k(x,y)wxx+wyy+α(x,y)wx+β(x,y)wy+γ(x,y)w=f(x,y), (1)where the function k(x, y) satisfies the conditions: yk >0, when y≠0, k(x,0)=0, k∈C1((?)), the function α,β, γ∈C((?)), f∈L2((?)). Let the outer boundary