By using variational methods we obtain infinitely many nontrivial solutions for a class of nonperiodic Schrödinger lattice systems, where the nonlinearities are sublinear at both zero and infinity.

中文翻译：

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亚线性和非周期Schrödinger晶格系统的无穷多个同宿解

通过使用变分方法，我们获得了一类非周期Schrödinger晶格系统的无穷多个非平凡解，其中非线性在零和无穷大处都是次线性的。