On a conjecture of Lapidus and van Frankenhuysen

In this paper it is shown that a conjecture of Lapidus and van Frankenhuysen of 2003 on the existence of a vertical line such that the density of the complex dimensions of nonlattice fractal strings with M scaling ratios off this line vanishes in the limit as M→∞, fails on the class of nonlattice self-similar fractal strings.

¿Por qué los eritreos van a Europa?

¿Por qué los eritreos arriesgan su vida en peligrosos viajes a Europa? ¿Por qué no se quedan en los países vecinos donde podrían encontrar seguridad y protección?

Catalogus systematicus coleopterorum. Catalogue systematique des coléoptères. Systematische naamlijst van dat geslacht van insecten dat men torren noemt.

1-2 (in one volume)

The condition of women workers under the present industrial system: an address by Ida M. Van Etten at the National Convention of the American Federation of Labor held at Detroit, Michigan, December 8th, 1890

At head of title: Publication of the American Federation of Labor.

Two races of the bridled titmouse [by] A. J. Van Rossem.

v.31:no.10(1947)

Ledger for the Classes of 1650-1663, 1649-1660

The leather-bound volume contains accounts for the Classes of 1650-1663 and Fellows. Many of the student bills were settled with payment in kind, often in the form of grain, apples, or livestock. The Steward's accounts with the College from 1656-1659 were entered on pages 295-303 and listed as "The steward is Creditor" and "The steward is Debitor." Credit entries include food, fuel, corn, and wages; debit entries list purchases and often identify the sellers.

House plants / by Robert Van Tress.

no.20(1937)

The select works of Antony van Leeuwenhoek : containing his microscopical discoveries in many of the works of nature / translated from the Dutch and Latin editions published by the author, by Samuel Hoole.

2 (text)

The select works of Antony van Leeuwenhoek : containing his microscopical discoveries in many of the works of nature / translated from the Dutch and Latin editions published by the author, by Samuel Hoole.

1 (text)

Letter from van Dockum to William Tudor,

One letter in French.