Results 91 to 100 of about 15,733 (218)

On Carmichael and polygonal numbers, Bernoulli polynomials, and sums of base-$p$ digits

open access: yes, 2019
We give a new characterization of the set $\mathcal{C}$ of Carmichael numbers in the context of $p$-adic theory, independently of the classical results of Korselt and Carmichael.
Kellner, Bernd C., Sondow, Jonathan
core  

Graphical models in Macaulay2 [PDF]

open access: yes, 2012
The Macaulay2 package GraphicalModels contains algorithms for the algebraic study of graphical models associated to undirected, directed and mixed graphs, and associated collections of conditional independence statements. Among the algorithms implemented
García-Puente, Luis David   +2 more
core  

Proton or Metal? The H/D Exchange of Arenes in Acidic Solvents [PDF]

open access: yes, 2015
The H/D exchange of arenes in acidic media by transition-metal and main-group-metal complexes and common inorganic salts was studied. The influence of Lewis acidity, anions, charge, and ligands was evaluated.
Fu, Ross   +5 more
core  

The role of women in driving national innovation and entrepreneurship through entrepreneurial ecosystems

open access: yesJournal of Innovation & Knowledge
Entrepreneurial ecosystems create a conductive environment for innovation and advancing sustainable development. They stimulate national innovation and economic development; however, empirical examination, especially in emerging economies, remains ...
Naeimah Alkharafi
doaj   +1 more source

Tax Subsidies to Employer-Provided Health Insurance [PDF]

open access: yes
This paper investigates the current tax subsidy to employer- provided health insurance, and presents new evidence on the economic effects of various tax reforms.
James Poterba, Jonathan Gruber
core  

Food Aid and the WTO: Can New Rules Be Effective? [PDF]

open access: yes
A new Agreement on Agriculture from the Doha Development Agenda negotiations is certain to contain binding rules on food aid shipments. Negotiating parties are concerned that food aid has been used as a form of export competition policy, and they seek ...
Cardwell, Ryan T.
core   +1 more source

The Origin, Development And Structure Of Demand For Plant Genetic Resources. The Impact Of The In Trust Agreements To The CGIAR Collections Availability [PDF]

open access: yes
The objective of this paper is to explore how the demand of germplasm held by CGIAR genebanks changed over time in order to assess the possible influence of the 1994 In Trust Agreements on germplasm demand.
Caracciolo, Francesco   +3 more
core   +1 more source

Sanjaya Lall: The Scholar and the Policy Advisor [PDF]

open access: yes
This paper presents Sanjaya Lall’s biography with a focus on his major scholarly and policy works. It identifies Lall’s globally recognized contributions in the fields of multinationals and development, industrial policy, technological capabilities and ...
Rajah Rasiah
core  

Proceedings 35th Symposium ESVN‐ECVN

open access: yes
Journal of Veterinary Internal Medicine, Volume 39, Issue 2, March/April 2025.
wiley   +1 more source

The Balance of Payments and Borrowing Constraints: An Alternative View of the Mexican Crisis [PDF]

open access: yes
In standard models of the balance of payments, crises occur when investors begin to doubt the credibility of the government's commitment to its exchange rate policy. In this paper, we develop an alternative model in which balance of payments crises occur
Andrew Atkeson, Jose-Victor Rios-Rull
core  

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