In 1900 Abraham was appointed as a Privatdozent at Göttingen. He lectured at Göttingen as a Privatdozent until 1909 which is an unusual length of time for anyone to hold such an unpaid lecturing position.
Sa 1900 Abraham ay hinirang bilang isang Privatdozent sa Gottingen. He lectured at Gottingen bilang isang Privatdozent hanggang 1909 na kung saan ay isang di-pangkaraniwang haba ng panahon para sa sinuman na hawakan tulad ng isang hindi-bayad na lecturing posisyon.